1. Chem 1046

Consider the reaction: I2(g) + Cl2(g) 2 ICl(g) Kp = 81.9 at 25°C Calculate ΔGrxn for the reaction at 25°C under each of the following conditions: (a) standard conditions (b) at equilibrium (c) PICl = 2.48 atm; PI2 = 0.321 atm; PCl2 = 0.219 atm

2. geometry

An architect plans to draw a rectangular patio with segment LM representing one side of the rectangle. He wants to construct a line passing through Q and parallel to side LM. He uses a straightedge and compass to complete some steps of the construction as

3. physics

A 55 kg hiker starts at an elevation of 1600 m and climbs to the top of a 3400 m peak. (a) What is the hiker's change in potential energy?

4. Chemistry

Is ClO2>- a Bronsted acid, base, or both?

5. MATH

You’re building a rectangular frame 10 inches by 11 inches. How many feet of wood do you need?

6. Stats

In a study of children with a particular disorder, parents were asked to rate their child on a variety of items related to how well their child performs different tasks. One item was "Has difficulty organizing work," rated on a five-point scale of 0 to 4

7. geometry

You need to lay communications cable around the perimeter of three offices, each 8' by 10'. How much cable do you need?

8. math

I have 200 canadian dollars and exchange them for 1/5 fewer us dollars. After spending 3/4 of my us dollars how much do I have left?

the reason the test questions and answers is up there because its all wrong answers on purpose for cheaters. when i first started i passed two test by myself. then the last three test try to cheat to use the answers and failed three test then retook them

10. chemical equilibrium

Calculate the value of Kc for 4NH3(g) + 3O2(g)= 2N2(g) + 6H2O(l)

11. Stats

You want to rent an unfurnished one-bedroom apartment in Boston next year. The mean monthly rent for a random sample of 14 apartments advertised in the local newspaper is \$1200. Assume that the standard deviation is \$230. Find a 95% confidence interval for

12. Chem Scc

5.82 g of CuNO3 is dissolved in water to make a 0.240 M solution. What is the volume of the solution?

13. ALGEBRA

A line passes through the points whose coordinates are (c,3c) and (2c,5c).Assuming that c is not 0 find the slope of the line A-2 B-1/2 C1/2 D2

14. Finance

Andrea Corbridge, Calculate the frontier for all possible investments combinations of Kalama Corp. and Adelphia Technologies (from 0% to 100%, in 1% increments). Determine the optimal risky portfolio if the risk-free rate is 3%.

15. algebra ll

The number of books checked out from the library varies directly with the number of book reports assigned. There were 3375 books checked out when there were 225 book reports assigned. How many book reports have been assigned if there are 13,500 books

16. chem 1046

Calculate the solubility (in grams per 1.00 102 mL of solution) of magnesium hydroxide in a solution buffered at pH = 9. Enter your answer to 2 significant figures.) Ksp = 2.06e-13

17. Chemistry

How would I find the limiting reagent in the chemical equation...CuSO4*5H2O+2K2C2O4*H2O-->K2[Cu(C2O4)2]*2H2O+K2SO4+5H2O I got that K2C2O4 was the limiting reagent but I don't know if that is correct.

18. Math

A mini-cone has a diameter of 2 inches at the widest point and holds 12.5 in3 of ice cream. A mega-cone holds 133.1 in3 of ice cream. What is the diameter of the mega-cone at its widest point?

19. chem

For a mixture of 12.0mL of 0.004. M AgNO3 and 8.0mL of 0.0025 M K2CrO4, a colorimetric measurement of CrO4-2 in the equilibrium supernatant liquid found its concentration to be 1.5*10^-4 M. Calculate the Ksp of Ag2CrO4.

20. Probability & Statistics

You want to rent an unfurnished one-bedroom apartment in Boston next year. The mean monthly rent for a random sample of 14 apartments advertised in the local newspaper is \$1200. Assume that the standard deviation is \$230. Find a 95% confidence interval for

21. science

two spheres carrying charge q are hanging from a same point of suspension with the help of threads of length 1 m in a space free from gravity . the distance between them is?

22. College Chemistry

give the balanced equation for oxidation of iron(II)ion by permanganate and find how many millimoles of permanganate ion react with one millimole of ammonium iron(II) sulphate. I have the balanced equation: MnO4+8H+5Fe^(2+) --> Mn+4H2O+5Fe^(3+) what would

23. Government

Why does Texas have so many special districts, and what are some of the problems associated with them?

24. maths

the perimeter of the school is 128m. it is 24m wide. how long is it.what is it's area

25. Mathematics

a credit union pays 8 percent per annum compound interest on all fixed deposits. a consumer deposited \$24000 in an account. calculate the total amount of money in the account at the end of two years.

26. math

You have the following data: A plane flying at its maximum speed can go 190 miles per hour with a tailwind or 150 miles per hour into a headwind. (a) What is the wind speed?

27. chem 1046

calculate the equilibrium constants at 25°C for each reaction. ΔGf° for BrCl(g) is −1.0 kJ/mol Br2(g) + Cl2(g) 2 BrCl(g)

28. Physics

Two objects A and B are involved in a totally elastic collision The mass of A is 8.8 kg and the mass of B is 0.5 kg. The velocity of A is 4.5 m/s and the velocity of B is 0 m/s. If they collide elastically, what will be the final velocity of A in m/s?

29. heron formula

A RHOMBUS SHAPED SHEET WITH PERIMETER 40 CM. AND ONE DIAGONAL 12 CM., IS PAINTED ON BOTH SIDES AT THE RATE OF RS.5 PER METER SQUARE. FIND COST OF PAINTING.

30. Physics

A 0.3 kg ball strikes a wall head on and then rebounds straight back. The initial speed was 10.0 m/s and the speed after it rebounds was 1.9 m/s. What was the magnitude of the total impulse on the ball during the collision in N*s?

31. Math

The sum of the angles of any triangle always equals ?

32. Math

A cylinder measures 6 ft tall and 3 ft wide. If those measurements are tripled, find the volume of the cylinder in cubic feet?

A child is brought to the speech therapist because she does not pronounce high-pitched sounds (like "s"). Name the sensory organ that is most likely the problem and what area of the organ is being affected? She also experiences extreme dizziness and loss

34. Algebra 1

On 2 investments totaling 15,00, peter lost 2% on one and earned 8% on the other. If his annual receipts were \$204, how much was each investment?

35. Physics

A 3-kg mass attached to a spring with k = 145 N/m is oscillating in a vat of oil, which damps the oscillations. (a) If the damping constant of the oil is b = 14 kg/s, how long will it take the amplitude of the oscillations to decrease to 1% of its original

36. physics

The Moon can be considered to be a sphere with uniform density with mass MM and radius RM. At the (exact) center of the Moon, the gravitational force on a mass m due to the mass of the Moon is? I know the answer is zero but want to know why using gauss'

37. Physics

Assume you construct a new water tower for a town water supply. Assume the tank is in the shape of a sphere with a diameter of 21ft. Assume the tank is made of formes and welded .5 in steel plate that weighs 150 lb per ft3. What is the weight on each of

38. Psychology

One attribute that the Stanford-Binet,WAIS-III,and WISC-IV have in common is that they are all:

39. Algebra

Hi! I just want you to check if my answers are correct. Factor the expressions: 1. 15a^2(b-2)^2 + 20a^3(b-2)^3 = my answer is 5a^2(b-2)^2 [3 + 4a(b-2)] 2. 18p^2q^3 (r-6)+ 24(r-6) = my answer is 6(r-6)[3p^2q^3 + 4] 3. 24(x-y)^2 + 48(y-x) - 72(x-y)^3 = my

40. Accounting

I have most of them done but would like to have these ones double checked... Please Help!!! 12. Research and development costs (R&D) are generally A. listed as "long-term assets" on the balance sheet. B. expensed and become part of the income statement. C.

41. GSGS

what is a limiting reagent of the reaction CuSO4 and Pb(NO3)2

42. Math

Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution. 7^4x = 4.9

43. Statistics

I just need to know what formula I need to use to get started on this equation: A man that was shot out of a cannon and the mean is 140 feet, stand. dev. is 10, landing net is 28 feet long. To maximize the peron's probability of landing on the net, how far

44. math

the sum of one fifth of an integer and one tenth of that integer is at most 20. find the greatest possible integer.

45. Mathmatics

A pile of sand that is stockpiled for winter road treatment is in the shape of a perfect cone. The beginning diameter is 110ft and the height at the center is 24ft. Assume wet sand weighs 3400 lbm/yd3. a) How many cubic yards of sand are in the pile? b)

46. algebra

Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). Three times a larger number added to 4 times a smaller number totals 24. When twice the smaller

47. Statistic

A training center claims that 75% of people taking national exam on achievement. In a sample of 90 people who took the exam only 39 have passed the exam. Use hypothesis testing to determine whether the training center claim is justified. Use 5% level of

48. physics

a) You need to move a test particle across a floor. Given source that has a charge of q = 3e, What is the displacement between the source and the particle if you need the particle to travel 2.5m in t = 2.5s? Note: the source emits this charge only the

49. English

1. Who sent a postcard from Santorini? Judy did. 2. With whom is Judy traveling in Greece? He is traveling in Greece with Mom. 3. When did they arrive in Athens? They arrived in Athens five days ago. 4. What is the capital of Greece? It is Athens. 5. What

50. math

Find the balance in an account that has \$700 invested at 5.5% for 4 years compounded semi-annually.

51. Foreing languages

Could you check if everything is correct, Writeacher? 1) My husband and I would like to spend the period from August ... to August .. in . We are looking for a four-star hotel on a sea front , which offers a a kids’ club as well as a playground where my

52. math

2/3w+2=5/3w w=

53. Trig

Given y=2-4cos(3x-pi/4), find each of the following, giving the general representation of the location of all minimums. Also provide the graph of two full cycles, labeling everything. Domain = Range = Amplitude = Period = Ph. Shft. = Interval for one

54. math

the larger of two numbers is 6 more than 4 times the smaller. if the smaller number is one-fifth of the larger, find both numbers

55. Physics

A spaceship and its occupants have a total mass of 170000kg . The occupants would like to travel to a star that is 31 light-years away at a speed of 0.40c. To accelerate, the engine of the spaceship changes mass directly to energy. How much mass will be

56. parts of speech

People express thoughts mainly by using

57. health

Our biological clocks make us feel most sleepy from? A. 9pm-5am B. 6pm-6am C. 10pm-4am D. 12am-7am

58. MIT

A 2kg block on a flat horizontal surface is pulled with a force of 15 N directed 10 degrees above the horizontal. It is found to accelerate at 2m/s^2. Find the coefficient of kinetic friction at the interface?

When one student did this experiment, he started with 19.5 mL of 0.118 M monoprotic acid. The endpoint was reached when 17 mL of base was added. What was the concentration of the base?

60. Math - Probability

You invent a new system to make excellent racing tires for the Indianapolis 500/ Your tires are good for an average of 105 miles, with a standard deviation of 7.5 miles. What is the probability that one of your tires can go for at least 44 laps? What is

61. chemistry lab

How does the presence of a common ion affect the solubility of a salt? Explain in terms of equilibrium.

62. Physics

A thin rod L = 9.0 cm long is uniformly charged and has a total charge of 4.4 nC. Find the magnitude of the electric field at a point P located at a distance R = 13.5 cm from the center of the rod when: (a) The point P lies along the axis of the rod

63. carpentry

what is the angle of a ladder with a 4 metre vertical and a 1 metre horisontal

64. math

find the value of x^3+y^3-12xy+64 when x+y= -4

65. Western Civilization/ Social Science

How has the two world wars, The Cold War and the Computer Revolution reduced the global economic clout of the Western European Atlantic powers and the U.S.

66. science

is there any alloy which is equally dense with gold?

67. algebra

write in algebraic expressions: a number x increased by three times y

68. Math

The vase company designs a new vase that is shaped like a cylinder on bottom and a cone on top. The catalog states that the width is 12 cm and the total height is 42 cm. What would the height of the cylinder part have to be in order for the total volume to

69. PHYICAL

A ball,500g,thrown upward at 20 m\s reaches an elevation of 15m.how much energy is lost.

70. statistics

A sample of 200 students in a English class were asked- How long did you sleep last night? sample mean: 6.4 hours S.D. = 1.6 HOURS Standard Error = .11 hours sample size = 200 What type of data is used in this example? my answer: MEASUREMENT DATA What

71. statistics

A 95 confidence interval for the proportion of men that have ever dozed off while driving is 007 to 0.14. For women, a 95% confidence intervAL for the proportion that have dozed off while driving is 0.19 to 0.25. Assume both intervals were computed using

72. history

Which country lawyer from Ashtabula, Ohio, argued that criminals are not born, but are made by the unjust condition of human life?

73. medical

a. xenology b. morphology c. xenomorphology d.monumentology Which one of the above answers are the study of the form of body parts is called?

74. Math - Calculus

how to solve limits?

75. algebra

A dump truck can haul 16 loads of dirt in 4 hours. How long will the dump truck spend hauling 25 loads?

76. DeskToping

If you accidentlly delete a word or group of words you can get it back by choosing the _____ command. A. F1 B. Cut C. Redo D. Undo I got D. A word processor's _______ feature compares the words in your document against those in an online dictionary. A.

77. stsats

A researcher wanted to answer the following question: What is the difference in students' computer anxiety based on whether or not they own computers? The researcher surveyed 92 undergraduate education students via an online survey. In the survey, the

78. Algebra 1

On 2 investments totaling 15,00, peter lost 2% on one and earned 8% on the other. If his annual receipts were \$204, how much was each investment?

79. math

A person hired a fire to build a CB radio tower. the firm charges 100 for labor for the first 10 feet. After that, the cost of the labor for each succeeding 10 feet is \$25. more than the preceding 10 feet. That is, the next 10 feet will cost \$125, the next

80. English

e.g. You can stay with my mom. What is the meaning of the sentence above, #1 or #2? 1. You are allowed to stay with my mom. 2. You are able to stay with my mom.

81. geometry

A cable that is used to support a 73 foot tower is secured to the fround 38ft from the base of the tower. Find the angle of elevation to the nearest degree that cable makes with the ground? Idont know how to do this? Explain?

82. geomerty

a wheel has a dimater of 12 cm, how many turns does it take to go 2 meters?

83. american government

is the public vulnerable to exploitation by powerful groups owing to their monoploy over information and why is the public vulnerable

84. Statistics

What formula do I use to find: a man that was shot out of a cannon, mean is 140 feet, stand. dev is 10, landing net is 28 feet long. how far away should the edge of the net be? I just need a push!

85. History

How did Alfred the Great secure his modern reputation as a state-builder?

86. PHYICAL

What is equivalent between points a and b when R=3 R R ----\/\/\//---\/\/\/\/----| | | | | | | a | | R | b ----| --/\/\/\/\--------- | | | R | |----------\/\/\/\/-------|

87. PHYICAL

What is equivalent between points a and b when R=3 R R ----\/\/\//---\/\/\/\/----| | | | | | | a | | R | b ----| --/\/\/\/\--------- | | | R | |----------\/\/\/\/-------|

88. PHYICAL

What is equivalent between points a and b when R=3 R R ----\/\/\/----\/\/\/---- a /\/\/\-----b \/\/\/\/-----

89. INTERIOR DESIGN

DRAW A ROUGH TIME SCHEDULE IN BAR CHART FORM FOR A 2000 SQ' RESIDENTIAL PROJECT TO BE COMPLETED IN TWO AND HALF MONTHS.

90. Psychology

The entire class was in an uproar.The teaching assistant had proctored the exam while the professor was attending a conference,and the test seemed unrelated to the chapters that they had studied.The students'complaints are based on the test's lack of:

91. geography

Match each item on the left with an item on the right. Question 1 options: philosophy calling for greater economic equality in society creator of the Kremlin in Moscow country once controlled by the Soviet Union term that means "self-rule" organized

92. algebra 2

SOLVE= log(x+3)+log(x+2)

93. College Math

Write the mixed number as an imprper fraction. 7 1/9 = A. 64/9 b. 22/3 c. 7/1 d. 65/9 I think the answer is A.

94. Ethics

Ethical contractarianism focus on agreements between individuals, individuals and the community. true or false

95. governement

In 3-4 sentences, explain why is voting important in a democratic society.

96. Grammar

Which one is correct? There is a quarrel between he and Ralph. OR There is a quarrel between him and Ralph.

97. ALGEBRA 2

y varies directly with x, and y = 2 when x = 5. What is the value of x when y = 15? A. x = 25 B. x = 10 C. x = 6 D. x = 37.5

98. human development

what are the goals of psychometric testing are:

99. human development

what are the results of renee baillargeon's sliding carrot research may suggest the object permanence

100. Integrated Math 1

Suppose a parabola has its vertex at (0, 1) and its zeros at x = -3 and x = 3. Then equals _____. A. 9-x^2 B. 1-1/9x^2 C. x^2-1 D. x^2-9

101. Math

Calculate the volume of a cylinder that is 5.615 mm in height and 17.03 mm in diameter.

102. Differential Equations

Solve the differential equation below with initial conditions. Compute the first 6 coefficient. Find the general pattern. (1-x)y"-y'+xy=0 y(0)=1, y'(0)=1

103. english

the coordinating conjunctions that can be used to combine two complete sentences with a comma are for and nor because yet so is this true.

104. Statistics

Are you annoyed with spam e-mail? Suppose a random sample of 200 Kent State students was asked this question of which 80% said that they are annoyed. From the provided information we can find the following: sample percent = 80% (sample proportion = .80)

why might an endurance athlete wish to increase his or hematocrit?

106. Math

Solve the equation by expressing each side as a power of the same base and then equating exponents. 2x = 16

107. math

which of the following is a situation where finding the surface area would be appropriate

108. Physics

Two balls are involved in a completely inelastic collision. The first ball has a mass of 0.25 kg and an initial velocity of 9.27 m/s in the x-direction The second ball has a mass of 0.50 kg with an initial velocity of 2.61 m/s in the -x-direction. What is