# Questions Asked onJune 22, 2012

1. ## Chemistry

When a mixture of 10 moles of SO2 and 15 moles of O2 was passed over a catalyst, 10 moles of SO3 was formed. how many moles of SO2 and O2 did not enter into combination?

2. ## Chemistry(check)

Please check for me. 1. For the reaction CH3COOH--->CH3COO + H+, which of the following statements is true? CH3COOH is a Brønsted-Lowry acid.

3. ## business math and statistics

A simple interest calculation provides a useful estimate of what compound interest will be if(a) the dollar amount is small.(b) the dollar amount is large.(c) the term is long.(d) the term is short.

4. ## math for the office professional

last year the company you worked for did \$232,000 in business. this year you anticipate an increase of 7% how much business do you expect to do this year?

5. ## Physics

A jogger runs 145m. in a direction 20.0 degrees east of north (displacement of vector A) and then 105m. in a direction 35.0 degrees south of east (displacement of vector B). Using components, determine the magnitude and direction of the resultant vector C

6. ## math

A pencil box and a notebook together cost \$6.28. The notebook costs \$0.70 more than the pencil box. How much does the notebook cost? A) \$4.19 B) \$2.09 C) \$3.49 D) \$2.79

A system does 210 J of work on its environment and gains 80.6 J of heat in the process. Find the change in the internal energy of (a) the system and (b) the environment. ÄU = Q - W Where ÄU is the change in the internal energy of the system, Q is the

8. ## Statistics

Three cards are drawn with replacement from a standard deck. What is the probability that the first card will be a spade, the second card will be a black card, and the third card will be a queen? Write your answer as a fraction or a decimal number rounded

9. ## Physics

In coastal towns, breezes tend to blow offshore (from the land to the ocean) during the night and early morning, and onshore (from the ocean to the land) during the afternoon and evening. What factors primarily contribute to this effect? It can be more

The atmosphere on Mars is almost all carbon dioxide (CO2), and has a pressure of about 6.9×102 Pa, much less than that of Earth. At −22°C (a warm day on Mars), what is the mass of one cubic meter of the atmosphere? (Assume the atmosphere is completely

11. ## Physics

A mobile consists of two very lightweight rods of length l = 0.400 m connected to each other and the ceiling by vertical strings. (Neglect the masses of the rods and strings.) Three objects are suspended by strings from the rods. The masses of objects 1

12. ## algebra

The speed of a passenger train is 16 mph faster than the speed of a freight train. The passenger train travles 300 miles in the same time it takes the freight train to travel 220 miles. find the speed of each train

13. ## math

A rectangular field is to be enclosed with 1130 ft of fencing. If the length of the field is 65 ft longer than the width, then how long is the field? A) 380 ft B) 315 ft C) 335 ft D) 250 ft

14. ## algebra

Daniel can plant an acre of corn in 6 hours. Working with Amanda, they can plant an acre of corn in 2 hours. How long would it take in hours for Amanda to plant an acre of corn by herself?

15. ## physics

aluminum jet wing is 30m long when its temperature is 20deg c.At what temperature would the wing be 5cm(0.05m) shorter

16. ## math

what is the smallest number that can be formed using the digits 4,9,2,1,3,0 and 5 without repaiting any of the digits?

17. ## math

George Polya has a four-step process for Problem Solving. What is the first step?

18. ## College algebra

A cyclist bikes at a constant speed for 18 miles. He then returns home at the same speed, but takes a different route. His return trip takes one hour longer and is 23 miles. Find his speed

19. ## Physics

A track has a height that is a function of horizontal position x, given by h(x) = x^3 + 4x^2 − 44x + 16. Find all the positions on the track where a marble will remain where it is placed. What kind of equilibrium exists at each of these positions? (Enter

20. ## Will Someone please respond! Chem

How would i find the following? I just need an explanation. I'm stuck. I have many other questions like this and i need to know how to do them. The specfic heat of ice is 2.05 J/g. In a calorimeter, 10.0 g of ice melts at 0oC. The enthalpy of fusion of the

for my birthday, i asked for an MP3 player, but instead, my parents got me a telescope. When I finished my dinner, I went in my room to try it out. When I looked through it, I could see a girl that looked just like me but bigger and older. for a moment, i

The two strings have the same tension and mass per unit length, but they differ in length by 0.54 cm. The waves on the shorter string propagate with a speed of 41.7 m/s, and the fundamental frequency of the shorter string is 227 Hz. Determine the beat

23. ## Geometry

I need help on a problem that's on formula for circumference. A circle has a circumference of 36 cm. find it's radius .but it says give an exact answer in simplest form and it says enter pi for the symbol of pie .

24. ## Check 1 question.

Help please!i'm not sure if i'm right. Honestly i'm not that confident about most of my work. In which of the following thermochemical equations would the deltaH be considered a heat of solution? C6H6 (s)--> C6H6 (l), deltaH = +9.87 kJ 2C8H18(l) + 25O2

25. ## Physics

A bicycle wheel of radius 0.2 m is spinning at a rate of 70 revolutions per minute.

26. ## physical edu

CVD is the second leading cause of death for U.S. women. flase right?

27. ## to ms.sue-writing prpject

plzzz check: for my birthday, i asked for an MP3 player, but instead, my parents got me a telescope. the telescope was old and rusty, so I put it aside. when i finished dinner, I took the telescope with me to my room. i dusted and cleaned the telescope so

28. ## physical Edu

The rate of alcohol absorption is influenced by a. Body weight and emotional state. b. Gender and emotional state. c. Food intake and beverage preference. d. Speed of consumption and alcohol history. e. All of the above are correct. is it E

29. ## physical edu

Motor vehicle accidents are the leading cause of death for people aged 4-33 years old. true right?

30. ## physical edu

1. Cardiovascular disease is the number one overall killer of Americans – kills more than cancer, chronic respirator disease, accidents and diabetes combined! its False right? 2. Only 25% of Americans engage in physical activity at the intensity and

31. ## physics

A trapdoor on a stage has a mass of 20.8 kg and a width of 1.58 m (hinge side to handle side). The door can be treated as having uniform thickness and density. A small handle on the door is 1.41 m away from the hinge side. A rope is tied to the handle and

32. ## physical edu

Stimulant drugs cannot cause heart attack, stroke and sudden cardiac death. its true right? High blood sugars damage all the following, except ____ 1. the circulatory system, 2. kidneys (from processing too much sugar) 3. and stomach 4. and

33. ## physical edu

Inactivity is considered the nation’s most common cardiac threat. is it true

34. ## algebra

Find the number of ways the top four can finish in a race of nine people.

35. ## history of modern china

was the expectation of chinese rulers during the taiping rebellion unrealistic?

36. ## math

what is the smallest number that can be formed using the digits 4,9,2,1,3,0 and 5 without repeating any of the subject?

37. ## accounting

Central States Manufacturing produces a single product: Product 1222. The company has estimated that annual overhead expenses wll be \$180,000 and production volume will be 20,000 units using 20,000 hours of labor. Overhead is applied to production based on

38. ## english

The city council is meeting on Tuesday night to discuss the new park. Is this correct?

39. ## Algebra

Fido gets 2 doggy treats every time he sits and 4 doggy treats every time he rolls over. Throughout the week, he has sat 6 times as often as he has rolled over. In total, he has earned 80 doggy treats. How many times has Fido rolled over??

40. ## information literacy

Which of the following sets of Library of Congress call numbers is in the correct order? A. PA 203 .B252 1971, P201 .A251 1977, PE205 .C253 1954, PH202 .H255 1965 B. P201 .A251 1977, PA 203 .B252 1971, PE205 .C253 1954, PH202 .H255 1965 C. PE205 .C253

41. ## Thanks Tutors

To all the tutors here, i know i was suppose to ask a question from my homework, and this is a homework website, but i like to thank you for helping me with my homework for the past few months. With you guys help, i got 100% on my math test and

42. ## medical billing

with cpt code 11750 modifier 59 could be used correct

43. ## physics

A 9.1 g ball is hit into a 98 g block of clay at rest on a level surface. After impact, the block slides 8.0 m before coming to rest. If the coefficient of friction is 0.60, determine the speed of the ball before impact.

A cube of wood and a cube of concrete, each 0.17 m on a side, are placed side by side. One of the long faces of the rectangular prism formed by the two cubes is held at 17°C, and the opposite long face is held at 32°C. What is the total rate of heat

45. ## Physics (one more)

A lead ball has a volume of 94.3 cm3 at 19.3°C. What is the change in volume when its temperature changes to 34.3°C? Someone on here has already answered this but it was wrong!

46. ## math

how do I write 6y - 12 = -3x in standard form?

47. ## Population growth

The population P of a particular city, Metropia, is growing at a rate proportional to the current population. The population at time t years is modelled by the equation P = Aekt where A and k are constants. (a) With the aid of appropriate examples, explain

48. ## algebra

solve 5x^2-11=0

49. ## geometry

show that (-3, 1) and (3, -1) and (1, 3) are the vertices of an isosceles triangle. find its area. please include explanation. this is really frustrating please help. thanks alot! :)

50. ## Physics

A 0.22 calibre rifle shoots a bullet of mass 1.8 g with a muzzle velocity of 500 m/s. If the barrel is 25 cm long, what is the average force exerted on the bullet while it is in the barrel?

51. ## Foreign languages

Writeacher, can you please check these sentences? 1) Joyce's Dubliners focus (or focuses/focusses??) on two recurrent themes:... 2) The epiphany is caused by a trivial gesture, an external event, or a bad situation, (is the comma necessary?) which leads

9d+3d-1d=14

53. ## Physics

A wooden plank with length L = 7.5 m and mass M = 104 kg is centered on a granite cube with side S = 2.0 m. A person of mass m = 64 kg begins walking from the center of the plank outward, as shown in the figure. How far from the center of the plank does

54. ## math

In a problem on percentages there are three quantities that are involved. These are the base, the amount, and the rate percent. Express the relation between them in the form of an equation and explain with examples how to find each one of them given the

55. ## art101

what is neo classicism?

56. ## CJS230

Will someone please help me find a resourceful webiste to answer the following questions? What is an example of a state prison system? How might you explain the growth of state prisons? How can U.S. corrections professionals solve the problem of

57. ## Marketing

A survey of local businesses firms to determine how they forecast sales will produce a variety of answers. Some will claim they do not use any format techniques to forecast sales. You know they must be using some approach, no matter how loosely defined.

58. ## social studies

identify how common Hindsim is in India today

59. ## math

. In annual plant, exchange of gases takes place mainly through

60. ## It 230

Write a 1,400- to 1,750-word paper with at least two references in which you describe the general type of WAN connections and network hardware that will be used to interconnect the offices.

61. ## Maths (Investments)

Kate is thinking about investing \$60 000 for 4 years. She deposits her money into an account which earns interest paid semiannually at a rate of 7% p.a. After 2½ years, the interest rate drops to 5.6% p.a. and stays constant for the remainder of the

62. ## Physics

Consider the motion of the rock in the figure below. What is the minimum speed the rock can have without the string becoming "slack"? (The rock is traveling in vertical circle. Assume that m = 1.6 kg and r = 0.48 m.)

63. ## Math

If 1-cosA=5/13, prove that 25sinA(sinA - cosA)

64. ## trigonometric identities

Prove the following trigonometric identities 1. tanx = sinx + sin^2x/cosx(1+sinx) 2. cos^3+(cosx)(sin^2x) = 1/secx

65. ## English (check)

Will someone please check my answers for me? 1. In Act I of Macbeth, the witches make predictions suggesting that Macbeth will one day be the king of Scotland.

66. ## management

regarding management and leadership, which statement is most accurate?

67. ## management

according to -theory, employees compare the inputs and outputs of other employees doing similar jobs. unfavorable comparisons may lead to slacking off on their work or asking a supervisor for either an explanation or a raise.

68. ## Art

Can you please check these two sentences, Writeacher? Thank you. 1) Each answer must be developed in no more than ten lines. 2) Only a monolingual dictionary is allowed.

69. ## management

the american federation of labor was formed under the leadership of who?

70. ## science

what is the 4 part of the blood

71. ## Geometry

In Euclidean geometry, the sum of the measures of the interior anglesof a pentagon is 540o. Predict how the sum of the measures of the interior angles of a pentagon would be different in spherical geometry.

72. ## Calculus

Suppose a ladder of length 36 feet rests against a wall, and we pull the base of the ladder horizontally away from the wall. For a given distance x that we pull the ladder horizontally, let g(x) be the height of the ladder on the wall, under the assumption

73. ## Calculus

Find all points on the graph of the function f(x) = 2 sin(x) + (sin(x))^2 at which the tangent line is horizontal. Consider the domain x = [0,2π).

74. ## Calculus

Find the derivative of the function y defined implicitly in terms of x. y = sqrt(xy + 9) Please help! Thanks! :)

75. ## Finance 370

what is the future value of \$5000 in a bank account of 7 years at 4 percent compounded semiannually

76. ## Calculus

Find the derivative of the function y defined implicitly in terms of x. y = √(xy+ 9)

77. ## Finance 370

what is the future value of \$5,000 in a bank account for 7 years at 4 percent compounded bimonthly

78. ## Art

Who is the artist of the relief sculpture, The Last Judgment, In Vezelay? I can't find it anywhere.

79. ## Calculus

Find all points on the graph of the function f(x) = 2 sin(x) + (sin(x))^2 at which the tangent line is horizontal. Consider the domain x = [0,2π). Please help!

80. ## to ms.sue-writing project part 1

Narrative Prompts (choose only one) • Your aunt arrives with a huge box. You hear strange noises coming from the box. Write a story about what’s inside. • Although you asked for an MP3 player for you birthday, your parents gave you a telescope. But

82. ## Physics

A lead ball has a volume of 94.3 cm3 at 19.3°C. What is the change in volume when its temperature changes to 34.3°C? 94.4cm3 was the answer I put and I was wrong. Can someone help?

83. ## Physics!!!

A cube of wood and a cube of concrete, each 0.17 m on a side, are placed side by side. One of the long faces of the rectangular prism formed by the two cubes is held at 17°C, and the opposite long face is held at 32°C. What is the total rate of heat

84. ## math

Alamo, Brushy, Chet, and Dolly are in an armadillo race. Chet is the slowest. Dolly is faster than Alamo, but slower than Brushy. Name the finishing order of the armadillos.

At 265 K, the pressure of 0.0454 mol of an ideal gas is 1.42×105 Pa. What volume does the gas occupy? Please help!

How would i find the following? I just need an explanation. I'm stuck. I have many other questions like this and i need to know how to do them. The specfic heat of ice is 2.05 J/g. In a calorimeter, 10.0 g of ice melts at 0oC. The enthalpy of fusion of the

87. ## Physics question

In coastal towns, breezes tend to blow offshore (from the land to the ocean) during the night and early morning, and onshore (from the ocean to the land) during the afternoon and evening. What factors primarily contribute to this effect? It can be more

88. ## Physics

A bomb is dropped from a plane flying at 4000 meters. The plane is flying at 80 m/s. How far, in a horizontal direction, did the bomb hit the ground?

89. ## science

please give me a part of the blood or function

90. ## medicine

a patient went in for removal of a malignant neoplasm of the ureter and kidney I think the procedure was an open one what would the cpt and ICD-9_CM Vol 3 code be.