# Questions Asked onOctober 22, 2010

1. ## math

George saves 18% of his total gross weekly earnings from his 2 part-time jobs. He earns \$6.25 per hour from one part-time job and \$7.50 per hour from the other part-time job. George works a total of 40 hours between the two jobs each week. What additional

2. ## physics

while john is traveling along an straight interstate highway, he notices that the mile marker reads 260. john travels until he reaches the 150-mile marker and then retraces his path to the 175-mile marker. what is john's resultant displacement from the

3. ## physics

while john is traveling along an interstate highway he notices a 160-mile marker as he passes through town. later john passes another mile marker, 115. what is the distance between town and john's current location? what is john's current position?

4. ## Organic Chemistry

Separation scheme for isolating benzoic acid Could you please show me a separation scheme for isolating benzoic acid from a reaction mixture if mixing a Grignard reagent phenylmagnesium bromide with dry ice (CO2) in ether? Thanks!

5. ## Physics

Ironman steps from the top of a tall building. He falls freely from rest to the ground a distance of h. He falls a distance of h/ 3 in the last interval of time of 1.1 s of his fall. Hint: First, compute the velocity when Ironman reaches the height equal

6. ## Calculus

Determine whether the integral is divergent or convergent. If it is convergent, evaluate it and enter that value as your answer. If it diverges to infinity, state your answer as "INF" (without the quotation marks). If it diverges to negative infinity,

7. ## Chemistry

Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. In the simplest case, ethene (C2H4) and H2 form ethane (C2H6). If 124 kJ is given off per mole of C2H4 reacting,

8. ## College Physics

A freely rotating merry-go-round on a playground has a moment of inertia of 312 kgm2 and a radius of R=2.5 m. It is rotating with ω0=2.8 rad/s when a kid of mass 45 kg is standing on its outer rim. Neglecting friction, what is going to be the angular

9. ## physics

16. How much work is done on a bookshelf being pulled 4.00 m at an angle of 35.0„a from the horizontal? The magnitude of the component of the force that does the work is 87.0 N

10. ## Word Problem

Martha can rake the leaves in her yard in 2 hours. Her brother can do the job in 8 hours. How long will it take them to do the job working together?

11. ## physics

2. Explain how the tension force gets transmitted along from one end of a string to the other. Does the amount of force that gets transmitted depend on how elastic or stretchable the string is? Explain.

12. ## chemistry

In the balanced equation MnO2 + 4HCl = MnCl4 +2H2O, how many moles of MnCl2 will be produced when 1.25 mol of H2O are formed?

13. ## chemistry

Select the answer that best describes an aqueous solution made from each of the following substances: Reference: Ref 14-4 solid aluminum chloride (AlCl3)

14. ## physics

A loaded dogsled has a mass of 400kg and is being pulled across a horizontal, paced snow surface at a velocity of 4.0m/s (N). Suddenly, the harness separates from the sled. If the coefficient of kinetic friction for the sled on the snow is 0.0500, how far

15. ## Statistics

The average time a visitor spends at the Renzie Park Art Exhibit is 62 minutes. The standard deviation is 12 minutes. If a visitor is selected at random, find the probability that he or she will spend: A)At least 82 minutes at the exhibit B)At most 50

16. ## College Chemistry

A student weighs out 0.568 g of KHP (molar mass=204g/mol) and titrates to the equivalence point with (36.78 cm cubed which is 3) of a stock NaOH solution. What is concentration of stock NaOH solution? KHP is an acid with one acidic proton. The word cubed

17. ## physics

Two blocks are tied together with a string as shown in the diagram.(There is a block on a horizontal incline, its mass is 1.0kg, there is a rope connecting that block to a pulley which then connects to another block that is 2.0kg. The angle of the incline

18. ## statistics

At a large publishing company, the mean age of proofreaders is 36.2 years, and the standard deviation is 3.7 years. If a random sample of 15 proofreaders is selected, find the probability that the mean age of the proofreaders in the sample will be between

19. ## Calculus

Determine whether the integral is divergent or convergent. If it is convergent, evaluate it and enter that value as your answer. If it diverges to infinity, state your answer as "INF" (without the quotation marks). If it diverges to negative infinity,

20. ## science

What is the pronunciation rebus of helium?

21. ## physics

A centrifuge in a medical laboratory rotates at an angular speed of 3800 rev/min. When switched off, it rotates through 46.0 revolutions before coming to rest. Find the constant angular acceleration of the centrifuge. in 1 rad/s2

22. ## Physics

Two blocks are tied together with a string as shown in the diagram.(There is a block on a horizontal incline, its mass is 1.0kg, there is a rope connecting that block to a pulley which then connects to another block that is 2.0kg. The angle of the incline

23. ## social studies

my question is: why did Aboriginal peoples avoid involvement with the rebellions of 1837? i get the question and I tried researching too, but i cant find anyhting??

24. ## Science

Separation scheme for isolating benzoic acid Could you please show me a separation scheme for isolating benzoic acid from a reaction mixture if mixing a Grignard reagent phenylmagnesium bromide with dry ice (CO2) in ether? Thanks!

25. ## College Chemistry- Hess's Law

Nitrogen oxides undergo many interesting reactions in the environment and in industry. Given the following information, calculate H for the overall equation: 2 NO2(g) + 1/2 O2(g) = N2O5(s). 2 NO(g) + 3/2 O2(g) = N2O5(s), H = -223.7 kJ NO(g) + 1/2 O2(g) =

26. ## Physics

A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. The plane flies 150m above the glacier at a speed of 110m/s. How far short of the target should it drop the package?

27. ## phy

A 175 kg horizontal beam is supported at each end. A 300 kg piano rests a third of the way from one end. What is the vertical force on the support closest to the piano? N What is the vertical force on the support furthest from the piano? N

28. ## physics

A 15kg box is resting on a hill forming an angle of a horizontal surface. The coefficient of static friction for the box on the surface is 0.45. Calculate the maximum angle of the incline just before the box starts to move.

29. ## physics

is the force exerted by the wall on the person’s hand passive or active?

30. ## Physics

Some kid (mass 20 kg) jumps with a velocity of 3.2 m/s horizontally off some steps (height 0.55 m) onto his heavy duty skateboard (mass 3 kg, height 0.03 m), which is initially at rest. How fast will he be skating?

31. ## physics

A picture hangs motionless on a wall as shown in the Figure. If the picture has a mass of 5.0 kg, what are the tension forces in the wires?

32. ## Chemistry

A 325.0-g piece of gold at 427°C is dropped into 200.0 g of water at 22.0°C. (The specific heat of gold is 0.131 J/g°C.) Calculate the final temperature of the mixture. (Assume no heat loss to the surroundings.) Can you please outline step by step how i

33. ## physics

It takes the elevator in a skyscraper 4.0 to reach its cruising speed of 10 . A 60 passenger gets aboard on the ground floor.What is the passenger's apparent weight while the elevator is speeding up?

34. ## Math

For what values of k does the function f(x)=(k+1)x^2+2kx+k-1 have no zeros? One zero? Two zeros?

35. ## Chemistry

80.0 mL of water is initially at room temperature (22degrees C). A chilled steel rod at 2 degrees C is placed in the water. If the final temperature of the system is 21.2 degrees C, what is the mass of the steel bar? Specific heat of water =

36. ## American Government

The Constitution establishes rules that the United States government must observe. There are five main principles that form the basis of these rules and ensure our democratic government. In a minimum of three well-developed paragraphs, list, define, and

37. ## Chem

Estimate the equilibrium constant for the weak base (CH3)2NH, if a 1.59×10-2 M aqueous solution of (CH3)2NH has a pOH 2.58 (make an exact calculation assuming that initial concentration is not equal to the equilibrium concentration). (CH3)2NH + H2O =

38. ## algebra

9x - 4y = -36 in slope intercept form

39. ## chemistry

group 1 cations: im doing a lab report for a experiment we did today. we had a known and we checked it for pb^+2, Hg2^+2, and Ag^+1. we have to write our observations for: A Precipitation of group 1. what does this mean? i understand the other questions,

40. ## physics

In a typical golf swing, the club is in contact with the ball for about 0.0010 . If the 45- ball acquires a speed of 57 , estimate the magnitude of the force exerted by the club on the ball.

41. ## Statistics

The standard deviation of GPAs (grade point averages) of all male students at a college is .35 and the standard deviation of GPAs of all female students at the same college is .34. Suppose we take one sample of 40 male students and another sample of 50

42. ## College - Chemistry

Given that delta Hrxn for OH- ions is -22.9 kJ/mol, calculate the enthalpy of neutralization when I mole of a strong monoprotic acid (such as HCl) is titrated by 1 mole of a strong base (such as KOH) at 25-degrees C.

43. ## math

An airplane flew for 6 hours with a 22km/hour tailwind. The return flight against the same wind takes 8 hours. Find the speed of the plane with no wind and windspeed.

44. ## algebra

a piece of wire that is 58cm long is cut into three pieces. the longest piece is 6cm shorter than the sum of the lengths of the other two pieces. five times the lengths of the shortest piece is 10cm less than the sum of the lengths of the other two pieces.

45. ## College Chemistry

What is pH of the buffer 0.1 mol L-1 Na2HPO4/0.15 mol L-1 KH2PO4? (Given Ka(H2PO4-)=6.2x10 power-8). Sorry if the power is confusing. My computer does not have the symbol. Thanks

46. ## Chemistry

I'm not sure if i did this problem right or not. I keep reading through my book, and i think i followed the equations right, but i'm not confident with my answers. The problem: 5.0 g of glucose,C6H12O6, is disolved in 500.0 g of acetic acid. What is the

47. ## History

34. Designed as an attempt to secure the loyalty of the French to their new rulers, this act broke new ground in toleration and statesmanship. Unfortunately for the British, the Americans saw only sinister designs. This act was the a. Treaty of Paris, 1783

48. ## Physics

A solid ball of mass m and radius r rolls without slipping through a loop of radius R, as shown in the figure. From what height h should the ball be launched in order to make it through the loop without falling off the track? (Use any variable or symbol

49. ## science

Which pair of substances would likely neutralize each other? A) lye and amonia B) vinegar and battery acid C) ammonia and calcium carbonate D) distilled water and rain water

50. ## Math

Is this right? If you interchange the coordinates of any point in quadrant II, the new point would then be in (what Quadrant) Answer is quadrant IV.

51. ## chemistry

Given the following reaction: 4 KO2 + 2 H2O + 4 CO2 4 KHCO3 + 3 O2 How many moles of H2O are needed to react with 12.15 moles of CO2? moles A chemical reaction occurs between solutions of LiCl and silver nitrate. This reaction produces a precipitate that

52. ## Chemistry

A 30.5 g sample of an alloy at 94.0°C is placed into 48.7 g water at 20.3°C in an insulated coffee cup. The heat capacity of the coffee cup (without the water) is 9.2 J/K. If the final temperature of the system is 31.1°C, what is the specific heat

53. ## Physics

Three blocks on a frictionless horizontal surface are in contact with each other, as shown below. A force F is applied to block A (mass mA). (a) Draw a free-body diagram for each block. Determine (b) the acceleration of the system (in terms of mA, mB, mC),

54. ## College Chemistry

Calculate pH of a 1.0 mol L -1 boric acid solution. (Ka(H3BO3) = 5.8 x 10 power -10 Please solve this problem. My computer does not have the power symbol. Can you please show maths and steps. Is mollar mass required of the above. Is -log and constant above

55. ## Calculus

The region between the graphs of x=y^2 and x=6y is rotated around the line y=6. Find the volume of the resulting solid please... i am unable to get the correct answer :(

56. ## physics

A uniform solid sphere of mass M and radius R is rolling without sliding along a level plane with a speed v = 2.30 m/s when it encounters a ramp that is at an angle è = 27.6° above the horizontal. Find the maximum distance that the sphere travels up the

57. ## Chemistry

A calorimeter contains 21.0 mL of water at 14.0 degreesC. When 1.90 g of X (a substance with a molar mass of 70.0 g/mol) is added, it dissolves via the reaction X(s)+H_2O(l)reacts to make X(aq) and the temperature of the solution increases to 28.5degreesC.

58. ## Chemistry

41. A neutron atom of potassium has an atomic number of 19 and an atomic mass number of 39. Find its number of protons, neutrons, and electrons. This is what I got- Protons: 19 Neutrons: 20 Electrons: ? Thanks -MC

59. ## Writing

Can you please check my citation? "Deforestation facts, Deforestation Information, Effects of Deforestation." National Geographic. n.p.,n.d. 10/22/10

60. ## english

What term describes the vantage point from which the story is told?

61. ## social studies

can this be my answer? Durham would not have been more guarded about what he said, as modern politicians often are, because at his time, there were very few policies which helped. For example, today’s politicians might say something, but they usually

62. ## economics

Best Western University is trying to increase the size of its student body by shifting the demand curve for its educational services to the right. Which of the following will NOT shift its demand curve to the right?

63. ## programming

write a program to calculate the amount of a server's tip given the amount of the bill and the percentage tip ovtained via input dialog boxes. The output should be a complete sentence that reiterates the inputs and gives the resulting tip. here is my

64. ## language-poetrypart 1

When a poet wishes to use figurative language he or she will use words that are a)Commotativo and denotativo b) Only denotativo c) Only commotativo d) Ambiguous

65. ## US History

41. A neutron atom of potassium has an atomic number of 19 and an atomic mass number of 39. Find its number of protons, neutrons, and electrons. This is what I got- Protons: 19 Neutrons: 20 Electrons: ? Thanks -MC

66. ## College Chemisty

The pH of water collected in a stormwater run-off downstream from a Union Carbide chemical factory is 4.82. Calculate the H+ ion concentration of rainwater. The problem may start with: pH= -log H+ = 4.82. The answer is 1.5x10 power -5. Again, Can you

67. ## Physics

A man measures the acceleration of an elevator using a spring balance. He fastens the scale to the roof, and suspends a mass from it. If the scale reads 98N when the elevator is at rest, and 93N when the elevator is moving. a) what is the acceleration of

i need help doing this question... a quadratic funtion has these characteristics axis of symmetry: -1 x=3 is the x- int y= 32 is the maximum value determine the y int of this parabola.

69. ## physics

An object is on a frictionless inclined plane. The plane is inclined at an angle of 25.5 degrees with the horizontal. Using the accerlation due gravity from your reference table. What is the magnitude of object's acceleration?

70. ## physics

On Friday in class, we learned that if you were to aim right at the bulls-eye, the arrow would fall under gravity and drop below the intended target. If you intend to hit a bulls-eye it is necessary that you aim slightly above it. Suppose the arrow speed

71. ## Biology

Which process may not reduce the toxicity of a chemical in the body? Sequestration Chemical bond formation Elimination Blood flow to tissue/organ

A person with type A behavior: is always in a hurry. gets a heart attack at an early age. is impatient and angry. wants success at any price

73. ## physics

why does the filament of a bulb does not melt though it heats more than 3400 degree celcius

74. ## physics

A 35 turn coil of radius 4.9 cm rotates in a uniform magnetic field having a magnitude of 0.53 T. If the coil carries a current of 20 mA, find the magnitude of the maximum torque exerted on the coil.

75. ## Physics

Help how to find work If a worker pulls a 10kg bucket up a 25 m well, how much work has he or she done?

76. ## computer

In Windows Vista, which button is used to create a new folder? A. Organize C. File B. Windows icon D. Views 20. Which Windows feature allows you to personalize your computer system? A. My Pictures C. Default Programs B. Control Panel D. Computer

77. ## statistics

For a certain group of individuals, the mean hemoglobin level in the blood is 21.0 grams per milliliter (g/ml). The standard deviation is 2 g/ml. If a sample of 25 individuals is selected, find the probability that the mean will be greater than 21.3 g/ml.

78. ## finance

John borrows \$150,000. The terms of the loan are 7.5% over the next 5 years. It is important to note that he makes annual rather than monthly payments. Construct a loan amortization schedule that shows the 5 payments of John's loan.

79. ## biology

choose the correct statement concerning blood vessels. a. venules control blood flow through capillaries. b. arterioles drain blood from capillaries. c. veins have thinner walls, but more valves than arteries. d. nutrient exchange may occur along arterial

80. ## physics

A dart is thrown horizontally with an initial speed of 6 m/s toward point P, the bull's-eye on a dart board. It hits at point Q on the rim, vertically below P, 0.29 s later. Neglect air resistance. (a) What is the distance PQ? (b) How far away from the

81. ## Physics

A wood crate is sitting on a concrete floor. The crate has a mass of 7.4719x10^2 kg. The crate has an applied force in the x direction and moves with constant velocity in that direction. What is the applied force acting on the crate, to three significant

82. ## phyiscs

A stone is thrown horizontaly from the top of a 25.00-m cliff. The stone lands at a distance of 40.00 m from the edge of the cliff. What is the horizontal velocity of the stone?

83. ## poetry

where there's a wall there's a way around, over, or through there's a gate maybe a ladder a door a sentinel who sometimes sleeps there are secret passwords you can overhear there are methods of torture for extracting clues to maps of underground

whats the x-intercepts of the graph y = 42x2 + 28x

85. ## world history

Compare the Kennedy Administration’s New Frontier domestic policies to that of the Johnson Administration’s Great Society and in the 150-200 response complete a contrast comparison discussion.

86. ## repost math question

An aircraft flew 6 hours with the wind. The return trip took 7 hours against the wind. If the speed of the plane in still air is 276 miles per hour more than the speed of the wind, find the wind speed and the speed of the plane in still air. The wind soeed

87. ## College Chemistry

What is pH of an aqueous solution formed by adding 20 mL of 0.1 mol L-1 NaOH to 30 mL of 0.2 mol L-1 HCI? Please show steps and maths. Is there a unit conversion if so how is this done. Thank you

88. ## maths

3. From a set of 1000 observations known to be normally distributed, the mean is 534 cm and SD is 13.5 cm. How many observations are likely to exceed 561 cm? How many will be between 520.5 cm and 547.5 cm? Between what limits will the middle 50% of the

89. ## statistics

1.test wheter these samples represent populations that are different from the general population- sample of 10 with a mean of 44 and sample of 1 with a mean of 48. 2. The general population of individuals has a mean of 40 , a deviation of 6, and follows a

90. ## English

This sentence is a fragment, how can I fix it?? Thanks! In order to stick to my topic, I discussed several ways that students can express their individuality other than their clothing, such as their hair, or their personality.

91. ## Physics

A skier is gliding along at 5.0m/s on horizontal, frictionless snow. He suddenly starts down a 13 degrees incline. His speed at the bottom is 12m/s. What is the length of the incline? How long does it take him to reach the bottom?

92. ## econmics

The MorTex Company assembles garments entirely by hand even though a textile ma-chine exists that can assemble garments faster than a human can. Workers cost \$ 50 per day, and each additional laborer can produce 200 more units per day ( i. e., marginal

Ironman steps from the top of a tall building. He falls freely from rest to the ground a distance of h. He falls a distance of h/ 3 in the last interval of time of 1.1 s of his fall. Hint: First, compute the velocity when Ironman reaches the height equal

94. ## Amer. Government

What are the differences between Federalists and Anti-Federalists? Please include the differences and concerns of each group and also some of the founding fathers of each group. Also include the role the Bill of Rights played in helping the Constitution to

95. ## Math

A rug is to fit in a room so that a border of consistent width is left on all four sides. If the room is 9 feet by 19 feet and the area of the rug is 24 square feet, how wide will the border be?

96. ## Chemistry

calculate the grams of sodium in 17.606 g of Na2CO3

97. ## Phy. Sci

A phase change form a gas to a soild?

98. ## Visual Basics 2008

This is a from chapter 3 #82. the problem is: Write a program to calculate the amount of a server's tip given the amount of the bill and the percentage tip obtained via imput dialog boxes. The output should be a complete sentence that reiterates the inputs

99. ## Social Studies

Compare and Contrast the Virginia Plan and the New Jersey Plan and who were the Founding Fathers that were on each side?

100. ## Math

f(x) = 4x2 - 7x, g(x) = x2 - 3x - 28 Find f/g.

101. ## physics

Suppose that a block with mass 40 kg is sliding down a frictionless inclined plane slanted at a 37 degree angle. Find how fast it is accelerating across the inclined plane.

102. ## statistics

Consider a normal distribution with mean 30 and standard deviation 6. What is the probability a value selected at random from this distribution is greater than 30? (Round your answer to two decimal places.)

103. ## math

how would I check this on my own? I know you put numbers in the place of the letters but when I do that I come up with my moms answer. this is what i have when I check my work. p=-2 q=3 6*(-2)*3 =-36 but 3(-2)(-2*3)=36 could you tell me what i'm doing

104. ## science

The most useful indicator of degree of democracy reached by a particular society is whether it has a a) civilian government b) formal method whereby people can effect changes in government policy c) system of government checks and balances d) system of

105. ## Chemistry

A new element, Canadium, not found on earth, contains 3 isotopes. given the following information, calculate the atomic mass of Canadium. Isotope Mass (amu) % abundance 1 429.633 21.29 2 429.121 42.47 3 429.398 ?

106. ## statistics

the team on the data set that had the most wins in the AL for this year was the Chicago White Sox and their salary (per million) was \$75.2 and in the NL it was the St. Louis Cardinals with a salary of \$92.1 million. By comparing this we can see if the

107. ## Calc

Differentiate. y = (cx)/(1 + cx) g(x) = 1 + cx f(x) = cx Using the quotient rule: y' = [(1 + cx)(f') - (cx)(g')]/(1 + cx)^2 How do you find f' and g' when there is more than one variable? Having a C and an X?

108. ## chemistry

a sample of iron occupies a volume of 10.0cm3. if the density of iron is 7.9 g/cm3 what is the mass of the sample

109. ## Calculus

Find the area between the curves y=(x^3)-10(x^2)+24x and y=(-x^3)+10(x^2)-24x

110. ## cemistry

what is an equation for ascorbic acid and sodium hydrogen carbonate?

111. ## calculus

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=3sqrt(x) , y=3 and 2y+3x=6.

112. ## Finance

Consider the following scenario: John buys a house for \$150,000 and takes out a five year adjustable rate mortgage with a beginning rate of 6%. He makes annual payments rather than monthly payments. Unfortunately for John, interest rates go up by 1% for

113. ## Calculus

This is a tough one :( The region between the graphs of x=y^2 and x=6y is rotated around the line y=6. Find the volume of the resulting solid please... i am unable to get the correct answer :(

114. ## algebra

bayside insurance offers two health plans. under plan A, Giselle would have to pay the first \$130 of her medical bills, plus 40 % of the rest. Unde plan B, Giselle would pay the first \$140, but only 35% of the rest. For what amount of medical bills will

115. ## Math

Given f(x) = 5x - 2 and g(x) = -8x + 9, find (f - g)(x).

116. ## Chem

I stuck on this prob. Can you help me to do this? 10.00 mL of a solution containing 0.20 M NaCl and 0.25 M AlCl3 is introduced into a cation exchange column. How many moles of hydronium ions will be released by the column?

117. ## english

I'm a 8th grade student and i need to write a Proffesional Business letter to My 7th grade english Teacher can you help?

118. ## Calc- Derivatives

So, I have a bunch of derivative problems for homework and the only resource I have is the textbook, since we don't have notes. I have just started and want to make sure I'm doing them correctly. Our teacher said we do not have to simplify them either, so

119. ## social studies

In the hostile environment form of sexual harassment, the harassed person: does not get a fair hearing for the complaint. suffers from a job loss for having filed a complaint. suffers from a job loss for refusing to grant sexual favors. may not necessarily

120. ## Math

Find (f ∙ g)(5) given f(x) = x - 4 and g(x) = -2x2 + 11x - 3

121. ## Math

I'm doing a vector problem which involves two forces with an angle of 30 degrees between them acting on an object. I think that I should draw my vector diagram with the vectors coming out of the object while my friend thinks that the vectors should point

122. ## calculus

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=3sqrt(x) , y=3 and 2y+3x=6.

123. ## Chemistry

Calculate the number of molecules in 3.1466x10^1 grams of sulfur dioxide, SO2

124. ## english

In the answer area below, write the conjunction in the following sentence. Sentence: Give it to the boy or his mother. This doesn't seem like it should be difficult, but I want to make sure I understand. Is 'or' the conjunction?

125. ## physics

A car of mass 1600 kg is traveling without slipping on a flat, curved road with a radius of curvature of 38 m. If the car's speed is 15 m/s, what is the frictional force between the road and the tires? in Newtons

126. ## Maths

Find all the roots of the equation Sin(2x)=1/2 in the range of -pi

128. ## chemistry

According to the following reaction, how many grams of copper(II) chloride are necessary to form 0.984 moles silver chloride? silver nitrate (aq) + copper(II) chloride (s) silver chloride (s) + copper(II) nitrate (aq)

129. ## algebra

Find the variation constant and an equation of variation where y varies directly as x and y=16 when x=8 The variation constant is k=? The equation of variation is y=?

130. ## geometry

AC=12, AB=34, WHAT DOES CB=

131. ## English

Is it ok if I use a quote to begin my reasearch paper

132. ## Biology

What are the inter-relationships with these organelles and why? 1) Nucleus 2) Golgi apparatus 3) Lysosome 4) Cytoskeleton 5) Centriole By inter-relationships, I mean this: EXAMPLE: Chloroplast and mitochondria both involve energy transformations

133. ## Biology

The modern antibiotic revolution began with the discovery of which antibiotic? sulfanamide quinoline tetracycline penicillin acyclovir Hopanoids found in sedimentary rock are an example of a biosignature. microfossil. stromatolite. banded iron formation.

134. ## Math

find the z-scorerelated to the raw score,mean,and standard deviation. Assume a normal probability distribution Raw score= 56u=50,0=4

calculating the total distance ???

136. ## calculus

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=3sqrt(x) , y=3 and 2y+3x=6.

137. ## Chemistry

Calculate the number of molecules in 3.1466x10^1 grams of sulfur dioxide, SO2

138. ## calculus

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=3sqrt(x) , y=3 and 2y+3x=6.

139. ## algebra

joshua had 5/6 of a tank of gas when he started his trip. if he used 1/10 of what was there what part of a tank was left at the end of the trip?

140. ## social studies

my last question was actually about a guy named Lord Durham who said that the French should speak an learn English values (culture, etc). So, why do u think he not have been more guarded about what he said, as modern politicians often are.

141. ## CALCULUS

Consider the function: f(x) = x/(x^2 + 2) (a) Determine the intervals on which the function is concave up. Enter the leftmost interval first (e.g. (1,2) would come before (3,4)). (b) Determine the intervals on which the function is concave down. Enter the

142. ## college

I purchased a \$1,000 five percent coupon bond that matures in 10 years. How much would my bond be worth if interest rates fall to 4% the day after I purchase the bond? What would the bond be worth in one year if interest rates fell to 4% at that point?

143. ## physics

an elevator lifts 4 person each with an average mass of 72 kg to a height of of 20 metre in one minute calculate 1 the work done by the lift and 2 the power exerted

144. ## The Sniper

Has anyone read the story The Sniper, the sniper ends up killing his own brother at the end. One question I don't get is that how do I justify the use of irony and suspense in this story?

145. ## engineering practise

plz give hazards of cylinder used in gas welding and plz give information about oxy-acetylene welding..

Please explain what does it mean to develop a basic literature element chart? Secondly, what are literary elements?

147. ## econmics

The MorTex Company assembles garments entirely by hand even though a textile ma-chine exists that can assemble garments faster than a human can. Workers cost \$ 50 per day, and each additional laborer can produce 200 more units per day ( i. e., marginal

148. ## hsm220

what arethe four steps an organization should take to change its personality profile. What should the organization consider before developing such a plan?

149. ## Physics

What force is required to accelerate an object of 1.484x10^0 kg over a frictionless surface at -2.3580x10^0 m/s2 expressed to three significant figures.

150. ## Physics

An object with a mass of 2.489x10^1 kg is subjected to a force of 4.8124x10^2 N directed at an angle of 2.819x10^1 degrees from the x axis. A second force of 2.84529x10^3 N acting in the negative X directions is also applied to the object. To two

151. ## Physics

An object with a mass of 2.728x10^1 kg is subjected to a force of 1.31851x10^3 N directed at an angle of 1.056x10^1 degrees from the x axis. A second force of 1.93826x10^3 N acting in the negative Y directions is also applied to the object. To two

152. ## history

describe the culture of consumption during the eisenhower administration. How do you thinksuch large scale, newfound getting and spending culture influenced peoples feelings about America?

153. ## lenguage poetry

It hills bent .law within my reach How many fats this line contain 5, 4, 6, 7,

154. ## Medical Terminology

A patient has calculi present in the kidney. This statement indicates which diagnosis? A)Nephrolithiasis B)Proteinuria C)Renal cell carcinoma D)Nephropathy

155. ## english

I'm writing my paper on types of style such as metaphors, similies, personification, symbol for the book number the stars. What is a creative title for my paper.

156. ## Programming

This is a visual basics program issue. The problem is: Table 4.7 contains information on several states. Write a program that requests a state and category (flower, motto and nickname) as input and displays the requested information. If the state or

157. ## American Government

Do you believe that the United States Government is following the Constitutions five basic principles of Popular Sovereignty, Limited Government, Seperation of Powers, Checks and Balances, and Federalism? List your reasoning for each please!

158. ## biology

why must the release of energy during the cellular process in which ATP is made from glucose take place in small steps?

159. ## health

how can systems thinking improve public health efforts? which systems model is most effective and why?

160. ## Chemistry

What is the change in internal energy (in J) of a system that absorbs 0.677 kJ of heat from its surroundings and has 0.438 kcal of work done on it?

161. ## physical science

If a 60 W light bulb at 120 V is left on in your house to prevent burglary, and the power company charges 10 cents per kilowatt-hour, how much will it cost to leave the bulb on for 30 days?

162. ## Algebra

(x-6)^2=1? Give exact and approximate solutions to three decimal places

I need to come up with an ad for medicine, what could I do? Feeling weak, stomach pain, headache... Try our fast relieving pain Tynenol. Feel good wherever you go! What could be something better than what I have here? My ad seems to be a bit boring, how

164. ## social studies

Groupthink is likely to occur when: anger within the group has been growing. the need arises for a group opinion. almost no conflict is expressed within the group. the group is composed of an even number of people.

165. ## calculus

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=3sqrt(x) , y=3 and 2y+3x=6.

166. ## calculus

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=3sqrt(x) , y=3 and 2y+3x=6.

167. ## manual indexes

What is the major disadvantage of manual indexes?

168. ## Chemistry

To make the following saline solution(375ml 0.5%w/v sodium chloride) what would you weight out? what volume of water would you use?

169. ## Medical Terminology

A patient states that he gets up three or more times per niht to void. What type of condition does this symptom indicate? A-Uremia B-Calculi C-Stricture D-Nocturia

170. ## calculus

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=3sqrt(x) , y=3 and 2y+3x=6.

171. ## Science

Cannabis tricks nerves in the brain into sending distorted messages. Which of the drugs effects on the body could this explain??? Helpp!

172. ## College Physics

A car (mass 880 kg) is traveling with a speed of 44 mi/h. A bug (mass 7.9 mg) is traveling in the opposite direction. What speed would the bug need in order to slow down the truck by one mile per hour in a big bug splash (i.e., final speed 43 mi/h)?.

173. ## trig

Suppose that sin x = 1/5 and cos y = 2/3, and x and y are each angles in Quadrant 1. Determine sin(x+y).

174. ## 5th math

my teacher want me to show the work on this problem like < or > 3.67---3.7 shwo want to know how i got the answer cause, i know that 3.67 is greater than 3.7 she said where you work? can you show me one more time .?

175. ## accounting

2008 = 8,700 2009 = 9,400 2010 = 10,100 2011 = Expected? What is the expected change for 2007? I know the increase is 700 for each year, but how do I calculate the growth rate for this question?

176. ## Language

Whrite a sentence to explain what each metaphor means 1. while Adam held the weight overhead, his arms were bands of steel.

Anybody doing volunteer work look like a hero. edit this sentence so the subject and verb agree

178. ## College Algebra

I could not figure out the answer to this Problem: The quadratic function f(x)= -2x^2 =4x +3 can be used to solve the following inequality: -2x^2 -4x < -3 First use the Quadratic Formula to find the x-intercept of f. This problem asks that the answer be

179. ## stats

In order to make sure that their bags of chips are of sufficient weight, the Chipper Chip Company try to fill their 200 gram bags of chips with more than 203 grams. You have been given the task of investgating what proportion of bags produced do have over

How did war with the french affect the colony?

181. ## Statistics

Indicate with Yes or No whether the given statement could apply to a data set consisting of 1,000 values that are all different. a.The 29th percentile is greater than the 30th percentile.b.The median is greater than the first quartile.c.The third quartile

182. ## agriculture

how long does it take to farm an acre if your implement is 42.5 feet wide and you are going 6 mile an hour

183. ## Medical Terminology

A pyelogram was performed on a 43-year old male patient. The root word means? A-trough,basin,pelvis. B-ureter,urethra C-bladder,urine D-kidney,medulla

184. ## Finance

Given that the preferred shares on the balance sheet is \$2100,000 , have a stated value of \$21, callable at \$22.50, and pay annual dividend of \$2 , and are non-voting. What is the value of redemption premium?

185. ## English Research

Would the online National Geographic site be a periodical or a website? I'm trying to cite a source on an article from the site,but I don't know if it's a website or a periodical,it seems like both.

186. ## math

simplify expression 3(-p)(-2q) i think it is 6pq my mom thinks its -6pq which is it

Does this Introduction sound fine for an Argument essay? Forests probide many supplies that are essential in our lives. They give us oxygen, wood fiber for paper, herbs for medicine, and timber for building structures. Forest materials are so necessary

188. ## gallup high school

what is the definition of radius?

189. ## math

What's ab squared also explain how it is

190. ## english

How can I make this idea into a good thesis? Workplace safety is still a huge concern as many youth are involved in work injuries or fatalities.

191. ## Chemistry

What is the molecular mass of: C19H97Cl35

192. ## Chemistry

How many moles of NF3 are in 850.49 grams of nitrogen triflouride

193. ## engineering practise

plz give me information about electrodes used in arc welding...?

194. ## engineering practise

plz give hazards of cylinder used in gas welding and plz give information about oxy-acetylene welding..

i need to find any sources (articles) dealing with factory orders, employment levels, foreign companies, and factory closures... because I need to write a page of each one of them and what it means also...please help me on it

196. ## algebra

x-sqrt(x)-2 = 0 how would i start this problem?

we have a ring that has an indian head marking on the inside of the ring, do you know what it means, who made it, how old it is, or what its actually called so we can search the meaning ?

198. ## Philosophy

Prove informally, by employing correct definitions and principles of reasoning, that the following are true. 1/ Every formula implies itself. (That is, A implies A . Hint: For this one you will need to employ the definition of interpretation.) 2/ If set S

199. ## Philosophy

Symbolize these arguments and display truth trees to evaluate the resulting argument forms for validity. If the argument form is invalid, describe (in English) the conditions under which the premises would be true but the conclusion false. 99.32 There will

200. ## earth science

state how the sun generates the energy that it radiates away as its luminosity.

201. ## Chemistry

If aluminum hydroxide -Al(OH)3- is an acid, why does it end with hydroxide instead of beginning with hydrogen?

202. ## Math - Solving equation (check )

7 = (210+88t)/(2(sqrt(210t+44t^2))) Is t= 1.0479....? I got the denominator multiplied by 7 and squared both sides to eliminate the sqrt and then simplified, used the quadratic formula to find the values but since the questions is about squirrels growth it

how I can do a essay for Salvador Dali ?

204. ## algebra

How do I figure (17 + a)^ = 2209 I know a = 30, but how do I get the answer?

205. ## math

find the cube of 15 5/8 X 11 7/8 X 3

Identify the word in parenthesis () as either a predicate nominative or a predicate adjective. (Each question is worth one point) It was a (prize) for the best seller.

207. ## Calculus

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=x^2, x=y^2, about the axis x=-5... i just cant seemt to get the numbers to work out well and get answer please help...thanks

208. ## science

Name some ways the wind and rain change the Earth's top layer(soil).tell why?

209. ## math

How many multiple of 3 between 1-22 are even? A-7 B-5 C-3 D-1p[kiiiii0-=kopiklp,;ll[o

210. ## english

hello im a guy from Denmark, i have wrote an article, i'd be happy if someone could look at it. if yes send ur mail and ima send it.

211. ## health

which system model is most effective in public health and why?

212. ## medical coding

Witch one of the following subcategories of the E/M section has separate codes for new and establised patients? A.office and other outpatients B. Hospital observation services C. initial inpatient consultation D. Emergency Department services

213. ## com156

please help can you give any idea how to write an outline for renting an apartment is a better option than buying a house

214. ## physics

what are the better way to calculate the coefficient of friction

215. ## Science

much force is Mike applying to the 1000 kg car to make it accelerate at a rate of .05 m/s2? I need help understanding this.. I'm really bad at science...>.

216. ## Science

If CH3COOH is an acid, shouldn't it begin with hydrogen instead of ending with it?

217. ## Med Terminology

A patient underwent dialysis for CRF. What does this abbreviation represent? A-Culture and sensitivity B-Cystoscopic examination C-Chronic renal failure D-Catherization

218. ## social studies

at the time of the 1837 Rebellions, why would one not get support like modern politicians do?

219. ## General

Why don't my questions never get answered even after I post them several times.

220. ## science

funtions of skeletor and muscles

221. ## Signals

I have the following information: H(jw) = (3+jw)/(e^(2jw)) f(t) = e^(-3t)u(t) Therefore, F(w) = 1/(3+jw) Y(w) = H(w)*F(w) = 1/(e^(2jw)) I have to find y(t), but I am having troubling finding.

222. ## calculus

if f(x)=(2^(1/2))(x^3-6x^(1/2)+7), find f'(9)

223. ## Philosophy

Construct natural deduction proofs for each of the following. 118.2 p&(q&r).'. q 118.4 .'. ¬(p&(q&¬p)) 118.10 q .'. ¬(¬p&¬q) 122.3* p " q, ¬p " r .'.¬q " r 122.7* p " q, ¬(p " r) .'. ¬(q " r) 122.10 p " q, ¬q .'. ¬p

224. ## bullies

How do you get away from it

225. ## Maths

The length and width of a rectangle are in ratio 11:7. If its perimeter equals 144m, find the length and width?

226. ## Math

4xwith an xponent of 5 __________________________ 6x with an exponentof 7

227. ## chemistry

3.0 g Al +HNO3 > Al(NO3)3 + H2 =how many liters

228. ## calculus

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=3sqrt(x) , y=3 and 2y+3x=6.

229. ## calcu.us

If F(x) = f( 5f( 3f( x ))), where f(0) = 0 and f '(0) = 3, find F '(0).

230. ## algebra

multiply: (w+p)(w^2-wp+p^2)

231. ## Math

What is the final amount if you earn 5% interest compounded annually on \$31,000 for 29 years

232. ## math

Which of the following is true about the absolute value of -6? (Points : 2) |-6| = -6 |-6| < -6 |-6| > -6 |-6| = 0

233. ## Social Studies

In your opinion how do you think the Constitution promotes the public good?

234. ## history

what act can you remember and celebrate dr.kings legacy

235. ## IT

Service Request SR-kf-013

236. ## math

2x(3y]00000;-;]'[- 0][p ][

237. ## Phychology

expectation plays an importand role in?

238. ## math

(3x + 5) + (2x - 3)

239. ## Stat

For a sample of 200 patients diagnosed with allergies, 25 were men. What is the 90% confidence interval for the population proportion? I set this up and got the answer of .087 -.16. The book has .091-.17. Could use help---I must be missing something.