# Questions Asked onFebruary 20, 2011

1. ## Chemistry

A gas at 65 degrees Celsius occupies 4.22L. At what Celsius temperature will the volume 3.87L, assuming the same pressure? -kay so ive tried this one like a million times & i cant seem to get the right answer so pls talk me through the steps. like i know

2. ## chemistry

The change in internal energy for the combustion of 1.0 mol of octane at a pressure of 1.0 atm is 5084.3kJ. if the change is enthalpy is 5074.1kJ, how much work is done during the combustion?

3. ## Chemistry

aqueous sulfurous acid H2SO3 was made by dissolving 0.200 L of sulfur dioxide gas at 19 C and 745 mm Hg in water to yield 500.0 ml of solution. the acid solution required 12.9 ml of sodium hydroxide solution to reach the titration end point. what was the

4. ## Chemistry

Which of the following should have the largest Henry's law constant (kh) in water? Ar CO2 CO CH3CH3 Xe

5. ## Physics

A Boeing 747 "Jumbo Jet" has a length of 59.7m. The runway on which the plane lands intersects another runway. The width of the intersection is 25.0m. The plane decelerates through the intersection at a rate of 5.7 m/s(squared) and clears it with a final

6. ## geometry

A sign is in the shape of a rhombus with a 60° angle and sides of 2 cm long. Find the area of the sign to the nearest tenth.

7. ## Physics

A loudspeaker of mass 25.0 kg is suspended a distance of 1.00 m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of 2.50 m . What is the tension in each of the cables?

8. ## Physics

About how much pressure do the feet of a 6000-kg elephant exert on the ground? Assume each foot has area of 0.10 square meters.

9. ## physics

Vector A points to the north and has length A. Vector B points to the east and has length 2.5A. Find the direction of C= 7.4A+B Express your answer as an angle relative to east.

10. ## Physics Mechanics

A banked circular highway curve is designed for traffic moving at 57 km/h. The radius of the curve is 211 m. Traffic is moving along the highway at 48 km/h on a rainy day. What is the minimum coefficient of friction between tires and road that will allow

11. ## Government

A bill has been approved in the House and Senate, albeit in slightly different versions. The bill now goes to A) the president for her/his veto or signature. B) a conference committee. C) the standing committees in the House and Senate where the bill

12. ## Physics

What is the mass of the air in a room that has dimensions of 10m x 30m x 4m?

13. ## Physics

Blocks of mass 4, 8, and 24 kg are lined up from left to right in that order on a frictionless surface so each block is touching the next one. A rightward-pointing force of magnitude 15 N is applied to the left-most block. a.)What is the magnitude of the

14. ## physics

Two small metal spheres with masses 2.0 and 4.0 are tied together by a 5.4--long massless string and are at rest on a frictionless surface. Each is charged to +2.4 .

15. ## College Physics

A 22.9-kg child is on a swing attached to ropes that are L = 1.33 m long. Take the zero of the gravitational potential energy to be at the position of the child when the ropes are horizontal. Part A)The child's gravitational potential energy when the child

16. ## Calculus - Verify?

Find the slope of the tangent line to the curve (a lemniscate) 2(x^2+y^2)^2 = 25(x^2-y^2) it is at pt (3,1)

17. ## Physics

A string under a tension of 48 N is used to whirl a rock in a horizontal circle of radius 2.4 m at a speed of 18.48 m/s. The string is pulled in, and the speed of the rock increases. When the string is 1.076 m long and the speed of the rock is 49.4 m/s,

18. ## Physics

Two blocks are arranged at the ends of a massless string as shown in the figure. The system starts from rest. When the 3.21 kg mass has fallen through 0.4 m, its downward speed is 1.27 m/s. The acceleration of gravity is 9.8 m/s2 . 3.21 kg (box hanging

19. ## Chemistry

A solution is prepared by mixing 8 mL of .2 M Fe(NO3)3, 10mL of .001 M NaSCN, and 7 mL of .1 M HNO3 a. calculate the concentration of Fe3+ in the solution b. calculate the SCN- in the solution

20. ## Physics

A British company makes optical fibers that are 13.6 km in length. If a beam of light travels along one of those fibers, always reflecting at the critical angle, it will travel 20.3 km. What is the index of refraction of the fiber material?

21. ## physics

A boy can throw a ball a maximum horizontal distance of R on a level field. How far can he throw the same ball vertically upward? Assume that his muscles give the ball the same speed in each case. (Use R and g as appropriate in your equation.)

22. ## Chemistry

A gas at 65 degrees Celsius occupies 4.22L. At what Celsius temperature will the volume 3.87L, assuming the same pressure? -kay so ive tried this one like a million times & i cant seem to get the right answer so pls talk me through the steps. like i know

23. ## Chemistry

What is the Cl concentration just as Ag2CrO4 begins to precipitate when 1.0 M AgNO3 is slowly added to a solution containing 0.015 M Cl and 0.015 M CrO4^2?

24. ## Physics

Suppose that the terminal speed of a particular sky diver is 170 km/h in the spread-eagle position and 315 km/h in the nosedive position. Assuming that the diver's drag coefficient C does not change from one position to the other, find the ratio of the

25. ## Physics

A box of mass m1 = 10.0 kg rests on a smooth, horizontal floor next to a box of mass m2 = 5.0kg. You push on the box 1 with a horizontal force of F = 31.8 N: a.)What net force on box 2 will cause it to have this acceleration? b.)What the force on box 1 on

26. ## Physics

How much heat must be added to 190 g of ice at 0°C to melt the ice completely?

27. ## math

A pair of dice is rolled, and the number that appears uppermost on each die is observed. Refer to this experiment and find the probability of the given event. One die shows a 5, and the other is a number less than 2.

28. ## Chemistry

A brownie contains 1.30 ×102 mg of sodium. What is this mass equivalent to it in units of grams?

29. ## math help plzzz

the perimeter of a rectangle is 3.5 times the legth. the width is 2.5cm less than the legth. what is the width?

30. ## math

One light bulb is selected at random from a lot of 150 light bulbs, of which 6% are defective. What is the probability that the light bulb selected is defective?

31. ## math

The results of a recent television survey of American TV households revealed that 80 out of every 100 TV households have at least one remote control. What is the probability that a randomly selected TV household does not have at least one remote control?

32. ## physics

Roxanne is making a strawberry milkshake in her blender. A tiny .0050-kg strawberry is rapidly spun aroundhe inside of the container with a speed of 14.0 m/s, held by a force of 10.0N. What is the radius of the blender at this location?

33. ## physics

A landscape architect is planning an artificial waterfall in a city park. Water flowing at 1.40 m/s will leave the end of a horizontal channel at the top of a vertical wall 3.90 m high, and from there the water falls into a pool. To sell her plan to the

34. ## physical science

A student is traveling in a car with a constant velocity has a kinetic energy 1.0 x 10^4 J. What is the speedometer reading of the car in km/h.

35. ## physics

A boy can throw a ball a maximum horizontal distance of R on a level field. How far can he throw the same ball vertically upward? Assume that his muscles give the ball the same speed in each case. (Use R and g as appropriate in your equation.)

36. ## physics

a bullet with a mass of 5 g and a speed of 600 m/s penetrates a tree to a depth of 4 cm. Assume that a constant frictional force stops the bullet. Calculate the magnitude of this frictional force. *Also, I'm not sure if the answer would be positive or

37. ## Chemistry

A metal, , of atomic weight 96 reacts with fluorine to form a salt that can be represented as . In order to determine and therefore the formula of the salt, a boiling point elevation experiment is performed. A 9.18- sample of the salt is dissolved in 100.0

38. ## physics for scientists and engeneers I

A tennis ball of mass m = 0.065 kg and speed v = 35 m/s strikes a wall at a 45° angle and rebounds with the same speed at 45° (see figure). What is the impulse given to the wall? Magnitude

39. ## physics

Rosie (mass 47 kg) pushes a box with a horizontal force of 140 N (31.472 lb) at a speed 15 m/min. What is Rosie's power output?

40. ## Chemistry

A solution is prepared by mixing 0.0400 mol CH2Cl2 and 0.0700 mol of CH2Br2 at 25°C. Assuming the solution is ideal, calculate the composition of the vapor (in terms of mole fractions) at 25°C. At 25°C, the vapor pressures of pure CH2Cl2 and pure CH2Br2

41. ## SOC

Aron: The two double A batteries in my CD player are dead, so the CD player doesn’t work. My television remote control, which also uses two double A batteries, works fine. So if I move the two batteries from my television remote control to my CD player,

42. ## spanish

¿A quién le ofrece frutas Roberto? (a su familia) roberto se las ofrece a su familia ¿Quién te llevó los entremeses? (mis amigas) mis amigas me los llevaron ¿Quién nos va a abrir la puerta a esta hora? (Sonia) sonia le va a abrir ¿A quiénes les

43. ## Chemistry

A metal, , of atomic weight 96 reacts with fluorine to form a salt that can be represented as . In order to determine and therefore the formula of the salt, a boiling point elevation experiment is performed. A 9.18- sample of the salt is dissolved in 100.0

44. ## Mathematics

Among 500 freshmen pursuing a business degree at a university, 313 are enrolled in an economics course, 205 are enrolled in a mathematics course, and 153 are enrolled in both an economics and a mathematics course. What is the probability that a freshman

45. ## Physics

a VW beetle goes from 0-60miles/hour with an acceleration of 2.35m/s(squared). How much time does it take for the Beetle to reach this speed. Here's what I have 60 miles = 96560.64m.

46. ## math

An experiment consists of selecting a card at random from a 52-card deck. A black face card (i.e., a jack, queen, or king) is not drawn.

47. ## chemistry

Ag+HNO3-----AgNO3+NO+H2O balance the redox reaction using the oxidation-number method

48. ## PHYSICS

A 70 kg student traveling in a car with a constant velocity has a kinetic energy of 1.4 104 J. What is the speedometer reading of the car in km/h?

49. ## AP CHEMISTRY

How many moles of Cu are produced when .25 moles of Cu2Se are completely reduced by an excess of hydrogen gas? Any help is appreciated!

50. ## biology

what is the nature of the walls of the phloem vessels after they are stained in the microscopic section

51. ## statistics

A class consists of 50 students, 20 of them are girls and boys, 10 them are rich and remaining poor, 5 of them are fair complxioned, 3 are intelligent. What is the probability of selecting a fair complexioned rich intelligient girl?

52. ## energy

A 68 kg student traveling in a car with a constant velocity has a kinetic energy of 1.5 104 J. What is the speedometer reading of the car in km/h?

53. ## chemistry

How do you write a conversion factor relating cubic centimeters and milliliters?

54. ## physic

indentify at least two ereas of physic involved in the following: a) building a louder stereo system in your car b)bungee jumping c)judging how hot an slectric stove burner is by looking at it. d) cooling off on a hot day by diving into a swimming pool.

55. ## Government

Most members of Congress are a. concerned with national issues, but even more concerned with local ones. b. controlled by special-interest groups. c. interested only in the work of the subcommittee on which they serve. d. opposed to the seniority system.

56. ## physics

3 part question: A 52-kg girl weighs herself by standing on a scale in an elevator. What does the scale read when: a.)the elevator is accelerating downward at 2.5 m/s2? b.)the elevator is accelerating upward at 2.5 m/s2? c.)the elevator is ascending at 10

57. ## physics

Rosie (mass 47 kg) pushes a box with a horizontal force of 140 N (31.472 lb) at a speed 15 m/min. What is Rosie's power output?

58. ## PHYSICS

A capacitor consists of a solid metal sphere of radius 3 cm placed at the center of a thin metal spherical shell of radius 12 cm. The space between is empty. What is the capacitance?

59. ## Physics

A parallel-plate capacitor is constructed from two circular metal plates or radius R. The plates are separated by a distance of 1.2mm. 1. What radius must the plates have if the capacitance of this capacitor is 1.1 uF? 2. If the separation between the

60. ## physics

A person uses a lever to lift a load. The person pushes downward with a force of 17 N a vertical distance of 1.8 m. Under ideal condidtions (no friction, bending, etc.), how high up can a load weighing 610 N be lifted? h(lift)=_____cm

61. ## physics

A crane lifts a concrete hopper of mass 370 kg from the ground to the top of a 38 m building that is under construction. The hopper moves with a constant speed during the lift. The power rating of the crane motor is 8.2 kiloWatts. How much work does the

62. ## physics

A proton (mass=1.67*10^-27 kg) moves with a velocity of 6.00*10^6 m/sec. Upon colliding with a stationary particle of unknown mass, the proton rebounds upon its own path with a velocity of 4.00*10^6 m/sec. The collision sends the unknown particle forward

63. ## science/maps

Earths diameter is about 13,000 Kilometers. If a globe has a diameter of 0.5 meter, write the globe's scale as a ratio. What distance on Earth would 1 centimeter on the globe represent?

64. ## physics

At the surface of Jupiter's moon Io, the acceleration due to gravity is 1.81 . A watermelon has a weight of 43.0 at the surface of the earth. In this problem, use 9.81 for the acceleration due to gravity on earth

65. ## Physics

The resistance of the wire in the windings of an electric starter motor for an automobile is 0.0190 Ohms. the motor is connected to a 12 V battery. What current will flow through the motor when it is stalled?

66. ## MAth

ANSWER: 27 Free Throws IF Jill Makes 6 free throw shots out of every ten she attempts, how many will she make if she attempts..... A-60 Free throws? B-36 Free Throws? C-45 free throws?

67. ## math

A pair of dice is rolled. What is the probability of the sum of the numbers shown uppermost is less than 6?

68. ## physics

Sir Robert Hooke (1635-1703), studied the elastic properties of springs and formulated the law that bears his name. Hooke found the relationship among the force a spring exerts, F, the distance from equilibrium the end of the spring is displaced, x, and a

69. ## physics

One strategy in a snowball fight is to throw a snowball at a high angle over level ground. While your opponent is watching the first one, a second snowball is thrown at a low angle timed to arrive before or at the same time as the first one. Assume both

70. ## Physics

How many calories are released when 3 grams of 100º C steam turns to 0º C ice

71. ## Website help

h t t p // w w w . educationplanner . ca / program . cfm?id=33362&view=details I went onto this site, and I have found the problem I want to take and what would be my insitution for that program?

72. ## chemistry

Concentrated nitric acid is 16M. What volume of nitric acid must be diluted with distilled water to preapre 5L of 0.1M nitric acid?

73. ## Physics

In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a calculus book along the dorm hallway. If the 3.5 kg book is pushed from rest through a distance of 0.87 m by the horizontal 25 N force from the broom and then has

74. ## Texas Government

Do you think the time has finally come to redraft the 1876 Texas Constitution in order to meet the needs of the growing, 21sy century Texas. Any input would be great.

75. ## Probability

A pair of fair dice is tossed 3 times. Find the probability a seven appears 3 times.

76. ## Math for teachers

Convert the base-ten number to a numeral in the indicated base. 19) 15 to base two 19) ______ A) 11110two B) 111two C) 1110two D) 1111two

77. ## College Physics

A 4.55-kg ball of clay is thrown downward from a height of 3.13 m with a speed of 4.41 m/s onto a spring with k = 1690 N/m. The clay compresses the spring a certain maximum amount before momentarily stopping. a) Find the maximum compression of the spring.

78. ## algebra 2

If y is directly proportional to x, and y = 16 when x = 12, find the constant of proportionality, k. Give the answer in the form of fraction if necessary.

you are painting a room that is 16 ft long and 14 ft wide and 8ft high. the room has to identical windows and doors. 1 door leads to a closet that is 4 feet long and 4ft wide and 8ft high. you do not plan to paint the closet or windows. the windows are 3ft

80. ## math

while waiting in the checkout line at the grocery store you add the prices up of your 3 items to make sure you have enough money.explain how to use mental math and the properties of addition to find the total costs of 3 items if the prices are \$1.85,

81. ## physics

How much potential energy does a 60kg skater have before she starts her ride, 12m above the ground?

82. ## Math

If m varies directly as v^2, and m=2 when v=3, calculate the value of m when v=6

83. ## physics

a pipe of length 1.00 m and open at both ends is lying on the ground at a construction site on a windy day of temperature 20 degrees C. Justin notices that the pipe is resonating and creating a sound of a particular frequency, the fundamental frequency. a)

84. ## maths

Find the gradient of the straight line that passes through the points (3,6) and (-5,-2) and hence find the equation of the line, clearly showing each step of your method

85. ## science/maps

An airplane flies directly west at 1,000 kilometers per hour. Without changing directions, the plane returns to its starting point in just one hour. What can you infer about the planes route with regard to lines of latitude and longitude? Explain please.

86. ## physics

A crane lifts a concrete hopper of mass 370 kg from the ground to the top of a 38 m building that is under construction. The hopper moves with a constant speed during the lift. The power rating of the crane motor is 8.2 kiloWatts. How long does it take for

87. ## geometry

If Jan takes exactly 30 minutes to walk to school each day, and her school is 2.3 miles away, what is her average walking speed (rounded to the nearest tenth)?

88. ## English

Which is correct? 1. What did you do for the winter vacation? 2. What did you do for winter vacation? I think #2 is correct, if so ( or not ) how do I back this up with a specific rule?

89. ## Physics

Blocks of mass 4, 8, and 24 kg are lined up from left to right in that order on a frictionless surface so each block is touching the next one. A rightward-pointing force of magnitude 15 N is applied to the left-most block. Suppose now that the left-right

90. ## physics

A proton (mass=1.67*10^-27 kg) moves with a velocity of 6.00*10^6 m/sec. Upon colliding with a stationary particle of unknown mass, the proton rebounds upon its own path with a velocity of 4.00*10^6 m/sec. The collision sends the unknown particle forward

91. ## problem solving

The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 21 minutes requires 12.6 gallons of water. Find the amount of water used for a shower lasting 10 minutes.

92. ## chemistry

What is the molar concentration of calcium hydroxide that has 0.185g solute in 100ml solution?

93. ## Math

Find the area of the triangle ABC given A = 30°, b = 5, and c = 2.

94. ## physics

Through the process of doing work, energy can move between the external world and the system as the result of ____. The sentence is completed with the word FORCES. You have to rewrite the word to make the sentence true (if it is not already true.)

95. ## Physics

A person on top of a wall of height 3.4 m stands near the edge, leans over and tosses a putty wad of mass 1.3 kg vertically into the air as shown in the figure below. The wad reaches a maximum of 4 m above the top of the wall. The wad then comes down and

96. ## Physics

In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.31 × 106 m/s.Find the central force acting on the electron as it revolves in a circular orbit of radius 4.95 × 10−11 m. Answer in units of N. Find the centripetal

97. ## Physics 1

What is the minimum speed that a roller coaster must have so that the people do not fall out at the top of the circle in an upside down loop? Take the radius to be 8 meters.

98. ## mangement science the art of modeling w/ spreadshe

Five years ago, an automobile manufacturer started offering an extended warranty to buyers of its sport-utility vehicle.Â Â The extended warranty covered defects occurring after the initial three-year warranty expired.Â Â Of the 10,000 people who

99. ## Science

Can a person with a genetic disorder that has been corrected by gene transfer pass the corrected condition to is or her children? Explain -Yes, it is because genetic disorder is cause by an an abnormal in genes or chromosomes so it is not a 100% that the

100. ## chemistry

How many grams of Lead (II) Nitrate are required to make a 350mL solution of 2.5M Pb2+?-

101. ## finance

pfd company has dept with a yield to maturity of 7.5% a cost of equity of 13.5% and a cost of prefered stock of 9.5% the market value of its dept prefered stock and equity are \$10.5 million, \$3.5million, and \$24.5 million respectively nd its tax rate is

102. ## trigonometry

okay so i have this trigonometry problem were i HAVE to use logarithms. Now this is my work but can u help me solve it using logarithms. Find the area of the following triangles:(use logarithms) 1) c=426, A=45degrees 48' 36",and B=61degrees 2' 13"

103. ## algebra

How long will it take a car traveling at 60 mph to overtake a bus traveling at 40 mph if the bus had a 1.5 hour head start?

104. ## math

If a ball is selected at random from an urn containing six red balls, six white balls, and eight blue balls, what is the probability that it will be a white ball

105. ## Principles of Finance

Kilsheimer Company just paid a dividend of \$ 4 per share. Future dividends are expected to grow at a constant rate of 6% per year. What is the value of the stock if the required return is 12 %?

106. ## Chemistry

How many grams of carbon tetrachloride CCL4 must be mixed with 35.96g of ethyl acetate CH3COOCH2CH3 at 50? celsius to produce a solution with a vapor pressure above the solution of 291.8 torr. The vapor pressure of pure carbon tetrachloride and ethyl

107. ## physics

a bullet with a mass of 5 g and a speed of 600 m/s penetrates a tree to a depth of 4 cm. Assume that a constant frictional force stops the bullet. Calculate the magnitude of this frictional force. I used KE = 1/2 mv^2 = 900 J then F (friction ) = W/d =

108. ## physics

2 objects are .25m apart and exert a force of 2.5x10^-10 N on each other. Thier total mass is 4 kg. what is the mass of each?

109. ## english

Include a discussion of sentence variety and the rhythm of the author's writing. underline the topic sentence. Question : why individuals can be denied credit for a number of reasons.

110. ## College Chemistry

2.50 mL of ethyl acetate and 2.50 mL of distilled water are added to the 5.00 mL of 3 Molar HCl and the mixture is allowed to sit for a week. At the end of this time, 28.30 mL of 1.000 Molar NaOH was needed to titrate the solution. (The HCl was the same as

The scores on a standardized exam are normally distributed with mean= 50 and variance=16. (a) what percentage of the scores exceed 58? (b) what percentage of the scores lie between 38 and 54? (c) what is the 84th percentile of the distribution?

112. ## Biology

Kay so these are the strands of DNA 5' C C A G T A G T T 3' 3' G G T C A T C A A 5' Let's say the DNA molecule above were the parent strand of DNA. when the strands are split for replication, which strand would be the template for the leading strand? And

113. ## fizik

1. A sports car travelling east at 48.0 m/s passes a trooper hiding at the roadside. The driver uniformly reduces his speed to 22 m/s in 4.10 s a) Find the magnitude and direction of the car’s acceleration as it slows down b) Calculate the distance

114. ## biochemisty

Trypsin can also hydrolyze DL-tyrosine-p-nitroanilide. TrueFalse

115. ## algebra

Factor the Following: 3x^2 + 10xy + 7y^2

116. ## The United States Until 1877

Compare and Contrast the development of the New England, Middle, Chesapeake, and Southern Colonies. Discuss the economic, religious, and social development of each from first settlement by the British to 1750.

117. ## English

Here are some more sentences I'd like you to check. Thank you very much. 1)If you are in the mountains, keep far (move away, stay away are possible?) from rocks and trees. I have always had backaches from not doing any sport (sports)/from not doing sport.

118. ## Science

We determine the structure of the Earth's core using ? deep mine shafts. satellite imaging. radar and sonar. seismic wave data. magnetic resonance imaging.

119. ## science

Earth's diamter is about 13,000 kilometers. If a globe has a diameter of 0.5 meter, write the globes scale as a ratio. What distance on earth would 1 centimeter on the golbe represent?

120. ## math

Mr. Jones grosses \$500 per week. He has 6% automatically deposited into his savings account. At the end of the year 2% is added to the account. How much will he have in his savings account at the end of the first year after the interest is added?

121. ## seed

what is the simple & complete subject in the following sentence. Heart- shaped cards are exchanged in modern times.

122. ## Physics

2 part question, only looking for part b. a) A driver wearing a seat beat decelerates at roughly the same rate as the car it self. Since many modern cars have a "crumble zone" built into the front of the car, let us assume that the car decelerates of a

123. ## physics

A snowboarder of mass 71.8 kg (including gear and clothing), starting with a speed of 4.8 m/s, slides down a slope at an angle θ = 37.1° with the horizontal.

124. ## Physics

A 64.5-kg skier moving horizontally at 4.83 m/s encounters a 16.7° incline. a) How far up the incline will the skier move before she momentarily stops, ignoring friction? b) How far up the incline will the skier move if the coefficient of kinetic friction

125. ## algebra

A train can travel 280 miles in the same time that it takes a car to travel 140 miles. If the train's rate is 40 miles per hour faster than the cars, find the average for each.

126. ## english

Axia College Material Appendix B Sentence Structure Review Each of the following sentences has one grammatical error. The errors are in one of the following four categories: subject–verb agreement, run-on sentence, verb form and tense, or sentence

127. ## Chemistry

What is the mole fraction of methyl n-butyrate CH3(Ch2)2COOCH3 in the vapor phase of a solution consisting of? a mixture of methyl n-butyrate and ethyl acetate CH3COOCH2CH3 at 50 Celsius if the total pressure above the solution is 192.5 torr. The vapor

128. ## chemistry

If a solution were made by mixing equal volume of 0.1M acetic acid(HA) and 0.1M Na-acetate(A^-) what pH would it gives?

129. ## physics

A cannonball of mass 3.67 kg is shot from a cannon at an angle of 39.51° relative to the horizontal and with an initial speed of 56.41 m/s. As the cannonball reaches the highest point of its trajectory, what is the gain in its potential energy relative to

130. ## math

you have 3 hours to do your homework. you spend 45 min on math. you want to divide the time remaining equally along 4 subjects. write and solve the inequality to find the # of minutes you can spend on each subject. I know the answer is 33.75 but can you

131. ## math

dad divied \$180 amoung his two sons in the ratio of 4:5. How much did each receive ?

132. ## physics

A bullet of mass 0.0019 kg moving at 487 m/s embeds itself in a large fixed piece of wood and travels 0.55 m before coming to rest. Assume that the deceleration of the bullet is constant. What force is exerted by the wood on the bullet?

133. ## Math for teachers

A certain state makes license plates with any three digits followed by any three letters. How many different license plates can be made? 17) ______ A) 17,576,000 B) 9 C) 11,232,000 D) 12,812,904

Find the missing dimension for the three dimensional figure to the nearest tenth, given the volume and other dimensions L= 8m W=4.6m V=88mcubed

135. ## Social Studies

Explain the similarities and differences in the way the US and Canada gained independence

136. ## Geometry

Three points are on a coordinate plane: A(1, 5), B(-2, -4), and C(6, -4). 1. Write an equation in point-slope form of the line with slope -1 that contains point C. 2. Write an equation in point-slope form of the line that contains points A an B. 3. Write

137. ## chemistry

Calculate the molar concentrations for each of the following solutions: A)1.5g NaCI in 100 ml solution B)1.5g K2Cr2O7 in 100 ml solution C)5.55g Na2SO4 in 125 ml solution D)20g MgBr2 in 250ml solution

138. ## chemistry

Concentrated HCI is 12M. What is the molarity of an HCI solution prepared by dilluting 10ml concentrated HCI to a total volume of 250ml?

how does eudora welty use dialogue to establish characters?

140. ## college english 101

okay i have to write an argumentative essay dealing with child abuse laws and how they are effective in the US and idk where to start of what should my thesis be? help please

141. ## Statisics

I need help on this question i am confused. I don't think the answers i got are right The library checks out an average of 320 books per day, with a standard deviation of 75 books. Suppose a simple random sample of 30 days is selected for observation. What

142. ## us history until 1877

By 1700 the British colonies on the North American mainland were remarkably different, and in many ways isolated from one another. As late as 1760 Benjamin Franklin declared that a union of the colonies was “not merely improbable, it is impossible,”

143. ## geometry

If the perimeter of the smaller triangle is 4cm, what is the perimeter of the larger triangle?

144. ## Probability

40 students live in a dormitory. 5 have swine flu. If 4 students are selected at random, what is the probability that 1 or 2 of the 4 have swine flu?

145. ## chemistry

A sample of helium gas has a volume of 325L at 25C and at 5atm. At what temperature the gas can be compressed at 50atm to a volume of 125L?

146. ## francais freshmen

Translate into french please: Return to heat and cook until set and edge is dry,(takes approximately 30 seconds).

147. ## Physics

Can't figure this one out. "In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a calculus book along the dorm hallway. If the 3.5 kg book is pushed from rest through a distance of 0.88 m by the horizontal 25 N force

148. ## history

1848 – Discoveries of ____________ found in the west by ____________________.

Posted by Amanda E. on Saturday, February 19, 2011 at 10:10pm. Two positive charges of magnitude q are each a distance d from the origin A of a coordinate system as shown above. ( Figure: h t t p : / / draw.to/DS0Qid) At which of the following points is

150. ## applied statistics

We will employ the SPSS dataset talent.sav, which can be found in Doc Sharing, in our exploration of interpreting a One-Way MANOVA. You will need to install the PASW Grad Pack 18.0 in order to download the dataset. Open the SPSS dataset talent.sav. This

151. ## maths

At an ice hockey match 3/5 of the spectators were boys and 1/10 were girls. The remainder of the spectators were adults. Calculate the fraction of the spectators who were children?

152. ## chemistry

How many moles of Kbr are there in 35.8ml of a 0.172M solution?

153. ## spanish

for tu commands: Bring it! = traelo Bring it (negative)! = no lo traes or "no lo traigas" ?

154. ## Chemistry

The vapor pressure of pure water at 85 celsius is normally 433.6 mmHg but decrease to 393.8mmHg upon addition? of an unknown amount of ammoniu chloride NH4Cl to 162.2g of water at this temperature. How many grams of ammonium chloride were added assuming

155. ## Argosy University

How can social stratification possibly lead to prejudice and/or discrimination towards others? Compare and contrast prejudice and discrimination in at least three different ways. How can the three sociological perspectives (i.e., social functionalism,

156. ## Character Analysis

Well, I looked all over the internet and I can't find a single decent website where I can watch this movie. I guess I'll just have to depend on memory so my lists wont' be as specific as it should be...: -The changes start to take place in the beginning,

157. ## ALGEBRA

Suppose that R is the set of real numbers. Let f: R--> R be defined by f(x)= mx+b, where m and b are real numbers and m is nonzero. Prove that f is a bijection.

158. ## ALGEBRA

Suppose that R is the set of real numbers. Let f: R--> R be defined by f(x)= mx+b, where m and b are real numbers and m is nonzero. Prove that f is a bijection.

159. ## statistics

Consider a 95% confidence interval for a population mean constructed from a random sample of 250 observations taken from a Normal population. Sigma is known to be 14. If we were to construct another 95% confidence interval, this time using 1,000

160. ## Yr 10 English URGENT

"Write a creative description of a journey you have taken. Focus on the means of transportation and the nuances in particular to that way of travel. Select 10 words from the spelling list to use in your piece of writing and write in the space provided on

161. ## chemistry

To what volume should you dilute 126 ml of an 7.90 M CuCl2 solution so that 49.5 ml of the diluted solution contains 5.9 g CuCl2?

162. ## fizik

1. A sports car travelling east at 48.0 m/s passes a trooper hiding at the roadside. The driver uniformly reduces his speed to 22 m/s in 4.10 s a) Find the magnitude and direction of the car’s acceleration as it slows down b) Calculate the distance

163. ## Physics

Which would burn the most 100 g of water at 100 degrees C or 100 g of steam at 100 degrees C?

164. ## childhood

it has been propsed that there is a tendency for parent to trat full term babies better than preterm babies a big reason is ? a. that a full term infants don't cry as much. b. that the behavior of pre term babes is more annoying and irratible c. that pre

165. ## statistics

In a batch of 97 computer diskettes, 8 are defective. A sample of six diskettes is to be selected from the batch.How many of the samples consist of all defective diskettes?

166. ## Chemistry

Which of the following will have the smallest freezing point depression? 0.1158 m NaF 0.1158 m Na2SO4 0.1158 m K2SO4 0.1158 m Fe(NO3)3

167. ## English

I forgot to include the following sentences. Thank you very much for your help! 1)The revenge tragedy (or a revenge tragedy) has the following features. First of all, a sexual or violent crime is committed (has been committed is possible?) against a member

168. ## physics

2 questions to fill in the blank: 1) in order tocalculate work done, use the ___ of the force which is in the direction of motion. 2) You push against a car stuck in the mud. You will do ___ work unless you are successful in moving the car.

169. ## math

Given the following sets, select the statement below that is true. A = {r, i, s, k, e, d}, B = {r, i, s, e}, C = {s, i, r} (Points : 2) B ¼ A and B ¼ C A ¼ C and C ¼ B B º A and C ¼ A C º A and B º C A º B and C º B

170. ## science

a sample of natural gas at stp is 78% ch4 and 22% c2h6 by volume. how many moles of each gas are presented in 2 L of the mixture.assume ideal gas behavior

171. ## statistics

SPSS dataset complete_mooney_bp.sav, which can be found in Doc Sharing, was collected by Ms. Kim Mooney in 1989 as part of completing her dissertation at UNH. The dataset was collected to assist in exploring the relationship between the “effect of social

172. ## PSYC-3003-12 Methods in Psychological Inquiry Inst

PSYC-3003-12 Methods in Psychological Inquiry week 5 assignment

173. ## chemistry

What volume of a 0.34M MgCI2 soultion is required to make 250ml of a 0.10M solution by dillution?

174. ## Math

two people aged 15 and 50. At some point during their lives, the elder will be three times the age of the younger. Write an equation which models how old in years each will be when the elder will be three times as old as the younger person.

175. ## socials

I need help with writing a 500 word multiparagraph essay on "how supreme court of Canada shaping the canadian society". Can someone please give me some points?

176. ## physics

2 questions to fill in the blank: 1) in order tocalculate work done, use the ___ of the force which is in the direction of motion. 2) You push against a car stuck in the mud. You will do ___ work unless you are successful in moving the car.

177. ## statistics

Consider a 95% confidence interval for a population mean constructed from a random sample of 250 observations taken from a Normal population. Sigma is known to be 14. If we were to construct another 95% confidence interval, this time using 1,000

178. ## computer

Can anyone describe WYSIWYG and what it stands for?

179. ## math

Given the following set, select the statement below that is true. V = {a, e, i, o, u} 1. v ¡ô V 2. a ¡ô V 3. y ¡ô V 4. o ∉ V 5. V ¨ª

answer yes or no to weight, velocity,speed,& mass. 2 identical planes taveling @ 300 km/hr in opposite directions both have the same: weight-yes, velocity-no, speed-yes, mass-yes. velocity is a no, correct?

181. ## history

Most american socialists did not advocate: a.the creation of a stronger central government b. a worldwide revolution by the working class c. economic change accomplished through political action I think its a but I know its not b.

182. ## trigomometry

I don't think its right . can you correct me please . A.log sin A = 9.91655 - 10 sinA = 0.82537 A = 55.626° = 55° 34' 35" B.log cot A = 0.11975 cot(A) = 1.317498... A = 37.199 degs A = 37º 11' 56"

183. ## English

Thank you very much for your help. Here are some more sentences I'm doubtful about. 1) Being a Renaissance man, Hamlet doubts the existence of an afterlife. 2) He doubts suicide/ He has doubts about committing suicide/ He is doubtful about suicide. He is

184. ## Math

Find the total surface area if q solid cube of volume 98 cm cube. An open water tank with length 20 cm and width 15 cm holds 4.8 liters of water. Calculate the height of the water level in tank and the total sitface area of the cuboid in contact with

185. ## chemistry

Calculate the percentages of C,H,and O in C22H44O22.

186. ## Physics

In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.31 × 106 m/s.Find the central force acting on the electron as it revolves in a circular orbit of radius 4.95 × 10−11 m. Answer in units of N. Find the centripetal

187. ## chemistry

how would i work out the problem for: a sample of oil has a mass of 65g and a volume of 80.0 ml what is its specific gravity. please show formula. thank you. Mary hornbeck

188. ## science

The South Island of New Zealand lies at about 170 degrees East. What hemisphere is it in?

189. ## College Algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.

190. ## mathematics

Consider the composition of a three-child family. Assume that a girl is as likely as a boy at each birth. What is the probability that there is one boy and two girls in the family?

191. ## ALGEBRA

Suppose that R is the set of real numbers. Let f: R--> R be defined by f(x)= mx+b, where m and b are real numbers and m is nonzero. Prove that f is a bijection.

192. ## Social Studies

How did the columbia exchange affect countries in the western hemispere?

193. ## Math

A flagpole is 20 feet tall and, in the afternoon, casts a shadow of 30 feet. At the same time, Keira casts a shadow of 7.5 feet. How tall is Keira? A. 3 feet. B. 4 feet. C. 5 feet. D. 5 feet

194. ## math

The National Association for Women in Science asked recent high school grads if they had taken certain science classes. Of those surveyed, 32 said they had taken physics, 51 said they had taken chemistry and 15 said they had taken both. Ten said they had

195. ## calc

find integral using table of integrals ) integral sin^4xdx this the formula i used integral sin^n xdx =-1/n sin^n-1xcosx +n-1/n integral sin^n-2 using the formula this is what i got: integral sin^4xdx=-1/4sin^3xcosx+3/4 integral sin^2xdx= -1/2sinxcosx+1/2

196. ## english

Why individuals can be denied credit for a number of reasons. Instructor want to include a discussion of sentence variety and the rhythm of the author's writing. need to underline main topics

197. ## Math

The surface area of a cylinder is 200cm. The diameter is equal to the height. Find the radius.

Iron reacts with oxygen to form ironoxide. What can be said about the properties of the product ironoxide. Is the answer rust?

199. ## statistics

Are my answers right for the first data set?

200. ## chemistry

How many grams of NaOH are there in 2.5L of a 0.343 M solution?

201. ## Math for teachers

Find A ¾ B, given A = {people who are less than 20 years old} and 12) ______ A) {all people in the world} B) {people who are less than 20 years old and people who have a job} C) {people who are less than 20 years old or people who have a job} D) {people

202. ## Math for teachers

Name the property of addition that has been applied. 13) ( 2 + 8) + 1 = ( 8 + 2) + 1 13) ______ A) Identity B) Commutative C) Closure D) Associative

203. ## Benefits

what are some benefits of attending a post secondary insitution? *improvement of productivity and improvement in earnings *advantages towards Business, government and society What else?

204. ## Science

273 degrees farenheit is what in celsius 273`F--> ??`C

205. ## math algebra

not sure about this can someone please help me solve for x using the addition principle x+10=-13 Now I added 10 to both sides 10 + 10 that gives me 20 then I added -13 +10 = -3 my x is the 20 or did I mess this problem up all the way around?

206. ## Precalc

What is the degree of the following polynomial equation? (x+9)(x-5)(x+2)=0 1. 2 2. 3 3. 4 4. 5

207. ## College Physics

A cannonball of mass 3.67 kg is shot from a cannon at an angle of 39.51° relative to the horizontal and with an initial speed of 56.41 m/s. As the cannonball reaches the highest point of its trajectory, what is the gain in its potential energy relative to

208. ## Spanish

Tu Commands: Please check Put it on! = ponlo or ponte Put it on (negative)! = no te pongas come here! = ven aqui! come here(negative) = no te vengas aqui go!= ve!

209. ## physics

Work is done when: a force is applied or an object OR a force causes an object to move

210. ## Calculus II

Find the volume of the solid formed by rotating the region enclosed by x=0, x=1, y=0,y= 6 +x^{8} about the y-axis.

211. ## Physics

Compare the gravitational force on an 11 kg mass at the surface of the Earth (with radius 6.3 X 10^6 m and mass 6 X 10^24 kg) with that on the surface of the Moon (with mass 1/81.3 ME and radius 0.27 RE). What is the force on the Earth? What is the force

212. ## English

IN the sentence "The ora does not interest poachers around the island" Is the prepositional phrase around the island and does it describe poachers which makes it an adjective?

213. ## calculus

find the derivative of 3/ln(3z)

214. ## applied statistics

Discuss how the General Linear Model assigns the optimal “weights” to predictor variables that allow us to maximize prediction accuracy. How are discriminant functions the optimal weighted linear composites for predicting “membership” regarding the

215. ## Ms.Sue

you comment on every question with a question. if you cant answer them, and just say I'll be glad to check your answer then please don't bother responding to them... this is a homework help place not JUST homework check place.

216. ## English

I still have a few questions on how to ask for permission. Thank you. 1) Do you mind if I make a phone call? Yes, I do. (Is it possible) I'd rather you didn't. I'd prefer you not to. 2) Is it all right if I make a phone call? No, it isn't. Yes, it is. I'd

217. ## math

How can I get 24 with 2, 2, 7, and 10?

218. ## math

S = {Chocolate, Vanilla, Mint} 11) ____D_ A) {Vanilla, Mint}, {Chocolate, Mint}, {Chocolate, Vanilla}, {Chocolate}, {Vanilla}, {Mint} B) {Chocolate, Vanilla, Mint}, {Vanilla, Mint}, {Chocolate, Mint}, {Chocolate, Vanilla}, {Chocolate}, {Vanilla}, {Mint} C)

219. ## chemistry

How many moles of argon gas are present in 70L of volume with a pressure of 180atm at 21c?

220. ## hcs/335...st judes

What is the relationship between the organization’s culture and ethical decision-making? we decided to go with st.judes and does st.judes have a place like ronald mcdonald house for them? i think its the same but im not sure

221. ## chemistry

what is the name of the compound (cooh)ch=ccl(cooh)

222. ## English

The learner will distribute color coded index cards with the three main types of rocks written on them to be used in class question and answer session. Is this sentence correct or does it need a comma?

223. ## Hum/176

• Choose a form of popular media that you are passionate about. The media may be music, a book, or a movie. I advise you to choose a specific media. For example, rather than choosing film as a category, please select a specific film like "The Hurt

Can you recommend a site where I can get some examples of prepositional prases?

225. ## algebra

how can i read this number 6 789 000 000 000 000 000 000 000 000kg may i know the place values of this.

226. ## science/maps

Could contour lines on a map ever cross? Explain please

the soccer goaie has made 175 saves so far this season. The score record is 236 saves in a season with 6 games left to play which interquality could you use to solve to find the average saves the goalie must make in each of the remaining games to break the

228. ## Physics 1

What is the minimum speed a 3,200 pound car can have on a flat road when going around a curve with a radius of 300ft. Take the static coefficient of friction to be 0.8.

229. ## English

I included the things I really didn't know. 1) May I borrow your high heeled shoes? (Give permission) Yes, you can (may?) 2) keep far (move away, stay away are possible?) from rocks and trees. 3) Hamlet doubts whether or not to kill Claudius. 4) The theme

230. ## education

how do you implement your educational philosophy in the classroom and what educational theories would be at work.

231. ## chemistry

can someone please explain to me how the solution to 240 000 would be written as 240 000 is expressed as 2.4* 105 in scientific notation? i get the decimal part but am lost after that. mary Hornbeck

232. ## chemistry

List(mention) all the gases collected over water

233. ## Intermediate Algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 10x + 7y = -120.5 -20x – 14y = 241

234. ## science/maps

Which would be more likely to show a shallow, 1.5 meter deep depression in the ground? a. 1 meter countour invterval or b. 5 meter countour interval

235. ## Psychology

According to Skinner and psychologists who study operant conditioning, which of the following provides the best consequence? 1. Pay your children \$10 for n a report every 'A' that they will earn on a report card. 2. "I like the way you are sitting so

236. ## math

The Wildlife Federation surveyed 170 San Diego residents. The results are as follows: 26 had a membership to the Birch Aquarium 44 had a membership to the San Diego Zoo 17 had both construct a venn diagram answering the foloowing questions i. How many had

237. ## Chemistry

Hello, I don't really know where to begin with this question. Thanks in advance! Consider the mixing of 10.0 ml of 0.25M K2SO4 with 15.0 ml of 1.10M KCL. What is the concentration of K+, Cl- and SO4^2-? a) K+___ b) CL-___ c) SO4^2-___

238. ## trigomometry

I don't think its right . can you correct me please . A.log sin A = 9.91655 - 10 sinA = 0.82537 A = 55.626° = 55° 34' 35" B.log cot A = 0.11975 cot(A) = 1.317498... A = 37.199 degs A = 37º 11' 56"

239. ## Algebra

There are 220 calories per 32 grams of cereal mix. Find how many calories are in 55 grams of the cereal mix.

240. ## English

In the sentence "The Komodo's teeh are dangerous to everyone." Is the prepostional phrase to everyone which describes dangerous making in an adverb? Thanks!

241. ## Finance

company has dept outstanding with a coupon rate of 6.0% and a yield to maturity of 7.9%. Its tax rate is 38% assume the dept has annual coupon. What is the company after tax cost of dept?

242. ## home economics

compute the price elasticity of demand for paint and show calculations? If a gallon of paint went from 3.00 to 3.50 a gallon and the usage of paint drops from 35 gallons a month to 20 gallons a month.

243. ## Calculus

find the derivative of g(a)=sin(arcsin(9a))

244. ## Organic Chemistry

What is the substrate of the enzyme amylase?

245. ## Maths

how do you factorise 2x-y-ysqaured? thanks

246. ## managerial accounting

Submit a paper on one of the major topics listed below using one of the recommended journal articles found in the syllabus as the basis for the paper and incorporating at least two other related articles of the student’s choice: Cost Management

247. ## chemistry

How would you prepare the following solutions? A)2%NaCL(w/v) B)0.35M glucose C)0.12M CaCI2

248. ## Math

since 2004 is a leap year, how many "remainder" days are in February? Show the division sentence.

249. ## social PSY

I need some help with this assignment. I really don't understand this class. Can someone please help me understand it better...thanks! Discuss how confirmation bias can influence perceptions and how some beliefs can actually generate their own confirmation

251. ## math

dad divied \$180 amoung his two sons in the ratio of 4:5. How much did each receive ?

252. ## human 114

compare two steps that would be most effective in refining solutions to the problem and resolutions to the issues presented by a topic.

253. ## calculus

Find an equation for the tangent line to the graph of f at the point P = (−1, f(−1)) when f(x) = 4x + 1 3x + 1

254. ## Algebra 1

5r-4s=21 4r+5s=66

255. ## physics

How fast must a cetrifuge rotate in order for a particle 9cm from the axis of rotation to experience an acceleration of 115000g's

256. ## chemistry

How do you find Kc for an equilibrium problem?

257. ## algebra

To buy both a new car and a new house, Tina sought two loans totalling \$260,394. The simple interest rate on the first loan was 3.7%, while the simple interest rate on the second loan was 8.8%. At the end of the first year, Tina paid a combined interest

258. ## Spanish

tu command: don't stop! = no detengas?

can you see if you can help me with my posted math question? Thank you

260. ## physics

Through the process of doing work, what allows energy to move between the external world and the system? the result of what???

261. ## math

dad divied \$180 amoung his two sons in the ratio of 4:5. How much did each receive ?

262. ## math

Without writing them all out, what is the number of subsets of set A = {tongue, ear, mouth, eye, nose, cheek, forehead, neck, shoulder}?

263. ## mrs sue

is the answer for the soccer golie question B?

264. ## English

Hi, for my english essay I have to review a movie that I have seen and kind of do an analysis on it. I have done what I can, but I somehow can't get it to be the 3 page limit, it's still not even close to 2 pages. My rough draft of it was 1 page, and I

265. ## Math

The surface area of a cylinder is 200cm. The diameter is equal to the height. Find the radius.

266. ## algebra

(x+3)/(x^2-x-12) + (2/x + 3)= (1)/(x-4)

267. ## algebra

(x+3)/(x^2-x-12) + (2/x + 3)= (1)/(x-4)

268. ## algebra

(x+3)/(x^2-x-12) + (2/x + 3)= (1)/(x-4)

271. ## earth science

compared to earth, earth jupiter

272. ## COM/155

Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. I wrote my movie review but im really confused on which ones are adjectives and which ones are adverbs. could you

273. ## maths

how do you plot a shape 90 degrees anticlockwise on the position 2 -1. please help me i'm not sure

274. ## biochemistry

Trypsin can also hydrolyze N-alpha-benzoyl-L-lysine-p-nitroanilide. TrueFalse

275. ## MATH

Prove directly: A U (A' and B)= A U B

276. ## mat/116

on three consecutive passes, a football team gains 6 yards, loses 13 yards, & gains 37 yards. what # represents the total net yardage?

277. ## Physics

Compare the gravitational force on an 11 kg mass at the surface of the Earth (with radius 6.3 X 10^6 m and mass 6 X 10^24 kg) with that on the surface of the Moon (with mass 1/81.3 ME and radius 0.27 RE). What is the force on the Earth? What is the force

278. ## math

Given these sets: A = {3, 4, 5, 6, 7} B = {6, 7, 8, 9} C = {2, 4, 6, 8} List the elements of this set A(B¿C) Show work, step by step.

How do I prepare a consolidated elimination worksheet when the parent purchases all of subsidiary's bonds on open market?

280. ## math

x-2y= -5 2x+y= -5

281. ## english

the most effective way to scan material for information is to

282. ## Math

The perimeter of a rectangle is 160 inches the length exceeds the width by 72 inches. Find the length and width?

283. ## physics

what is the formula of frequency w.r.t to waves ?

284. ## history

who was the british leader in 1809

285. ## algebra I

Please help I have no idea where to start. Solve for h 5h + 5+ 4h = 36

286. ## instrumentation

write note on gas in metal,vapour pressure

287. ## HCS320

I need help with this my computer just got restarted like it was new and now I do not have microsoft office for power point Help Please.Outline how to integrate communication from a central command area to all area of the organization. Also need 3 slides

288. ## math

what is the cardinal number of the set: {yellow,blue red,green,purple,orange}

what is the solution of 3-8x = 141? -18 -12 1/18 18

290. ## physics

what is the formula of frequency w.r.t to waves