# Questions Asked onAugust 18, 2010

1. ## Chemistry

2 SO2 + O2 --> 2 SO3 What happens to the total volume when 3L of SO2 react with 2L of O2 to form the max. amount of SO3 possible?

2. ## math

Find (A upside down U B) upside down U C, given A = {s,e,t} B = {m,E} C = {f,r,e,e,}

3. ## physics

0.30 sec after seeing a puff of smoke rise from the starter's pistol the sound of the firing of the pistol is heard 100.0 m away. what is the velocity of the sound in m/s and in km/h?

4. ## algebra 1

What is 47.2% as a fraction or mixed number in simplest form?

5. ## Math

You need to replace the molding around a floor that is 15 ft. long & 23 ft. 6 in. wide. The molding sells for \$0.50 per ft.. How much will the molding cost?

6. ## math

two cars leave town at the same time. one travels west at 56 mph, and the other travels south at 42 mph. after one hour, how far apart are the cars?

7. ## science

Which of the statements below are true? a) The surface of the sun is over 10,000 degrees F B) The sun is hot enough to heat the earth and give light to the planets c) The sun will continue to burn for at least another 5 billion years d) all of the above

8. ## Physics

A golfer, putting on a green, requires three strokes to "hole the ball." During the first putt, the ball rolls 5.8 m due east. For the second putt, the ball travels 2.3 m at an angle 20° north of east. The third putt is 0.50 m due north. What displacement

9. ## british literature

1. Determine the speaker's attitude in thee lines: "Lo, all our pomp of yesterday/is one with Nineveh and Tyre!" a. the speaker feels Britain's greatness is similiar to that of ancient cities. b. The speaker believes the greatness of Britain could

10. ## Pre-Algebra

Courtnytravels south on her bicycle riding 8 miles per hour. One hour later, her friend Horacio starts riding his bicycle from the same location. If he travels south at 10 miles per hour, how long will it take him to catch Courtney?

11. ## Physics

If ^235U (235.043930 u) is struck by a neutron it undergoes fission producing ^144 Ba (143.922953 u), ^89 Kr (88.917630 u) and three neutrons (1.0086649 u). (a) Calculate the energy in MeV released by each fission reaction. (b) Calculate the energy

12. ## PHYSICS

A 70 KG man is standing on a scale inside an elevator. Calculate the reading on a scale after the cable breaks and the elevator goes into free fall.

13. ## math

a driver drove 50 miles in 50 minutes. how many miles per hour was he driving?

14. ## Algebra 2

Make a table with a process column to represent each pattern. Write an expression for the number of tiles in the nth figure. The picture is a column of squares that is 4X6. In each figure its subtracting a square.

15. ## Chemistry

The percentage composition of chlorine, by mass, in the compound K2PtCl4 is

16. ## calculus

(a) Graph the parameterized curve described by x = 2sint, y = -3cost, 0

17. ## Algebra

Find the indicated outputs for f(x)= 5 x(2) - 4x. F(0)= f(-1)= f(2)=

18. ## Physics

On a safari, a team of naturalists sets out toward a research station located 6.3 km away in a direction 42° north of east. After traveling in a straight line for 2.2 km, they stop and discover that they have been traveling 23° north of east, because

19. ## leadership & ethical behavior

Explain the theoretical basis of ethical behavior?

20. ## geometry

how many inches long is the radius of the largest circle that can fit inside a rectangle 18 inches long and 12 inches wide? An 84-cm wire is cut into three pieces. the second piece is 4 cm longer than the first piece and the third piece is twice as long as

21. ## calculus

Find the parametrization for the left half of the parabola: y = x^2 - 4x + 3.

22. ## grammar

is my capitalization right in this sentence: If you take interstate 10 and travel west, you will see Katy Mills one of the largest malls in Texas.

which of the 5 regions contain rich farmland in Arkansas and Louisiana created by Mississippi and Red Rivers?

24. ## physics

A ball thrown straight up takes 5.80 seconds to go up and come back down to its starting point. Neglecting air resistance, how high (in m) does it go?

WHAT IS A COMPOSITE NUMBER AND WHY?

26. ## Math

How do I write 51 hours to 5 days as a ratio in the lowest term? Compared in hours.

27. ## MATH

How much larger than 327 is 609?

28. ## pre algebra

can you help me figure this question out? In a race with five people, Betty finished ahead of David, and the same number of people finished before Betty that finished after David. Adam finished before Charles,and Betty finished after Edward. Who finished

29. ## math

Estimate the answer by rounding as indicated. Estimate by rounding to the nearest ten. 72 + 46 + 26 + 95 + 33 = 272 272 = 280 Is this right?

30. ## Physics

A football player runs the pattern given in the drawing by the three displacement vectors A, B, and C. The magnitudes of these vectors are A = 5 m, B = 13.0 m, and C = 16.0 m. Using the component method, find the magnitude and direction è of the resultant

31. ## geometry

find the height of the 32-inch tv screen shown below. round your answer to the nearent tenth of an inch.

32. ## physics

How do i figure out the direction for this problem: A wire having a mass per unit length of 0.500 g/cm carries a 2.00 A current horizontally to the south. What is the direction of the minimum magnetic field needed to lift this wire vertically upward?

33. ## math

if the radius of a pizza pie is 20 cm, what is the price of the pizza per area (cm sq.)?

what is the probabilty of spinning a divisor of 12?

35. ## science

The movement of the earth around the sun____. a) is one of the reasons for seasons b) results in the formation of day and night c) makes the sun rise in the east d) causes earthquakes e) cause the ice ages to reoccur Just need to know if my answer or right

36. ## math

a driver drove 50 miles in 50 minutes. how many miles per hour was he driving?

37. ## US History: Ms. Sue

For Booker T. Washington v W. E. B. DuBois, I don't get DuBois' method... did he want African Americans to gain rights right away?

38. ## grammar

im confused if "earth" should be spelled with an uppercase. i would think so but just wanna make sure Hawaii has some of the most beautiful beaches on the earth. thanks :)

39. ## com 155

my assignment is: Use at least five adverbs and five adjectives to write a 150- to 300-word review of a movie, sporting event, musical performance, or television show. · Bold all adverbs. · Underline all adjectives. · Compare the event to one or more

40. ## science

At noon on June 21, the vertical ray of the sun strikes the earth_______. a) in the southern hemisphere (23.5*S) b) at the North Pole (90*N) c) at the South Pole (90*S) d) at the equator (0*) e) in the northern hemisphere (23.5*N) Just need to know if my

41. ## Physics

The left ventricle of the heart accelerates blood from rest to a velocity of +27 cm/s. (a) If the displacement of the blood during the acceleration is +2.3 cm, determine its acceleration (in cm/s2). (b) How much time does it take for the blood to reach its

42. ## statistics

if the equation for the regression line is y1=6x-8,what is the result in a predicted value for y if the value of x =4

43. ## Physics

A jogger travels a route that has two parts. The first is a displacement A of magnitude 2.70 km due south, and the second involves a displacement B that points due east. What is the direction of A + B relative to due south? ° What would be the direction

44. ## Chemistry

Explain why the type of metal used in creating fireworks determines the colour seen when the fireworks are set off. Discuss what occurs within the metal atoms.

45. ## spanish

is senorita rosa Miss. or Mrs. or does it matter?

46. ## math

Given the following sets, select the statement below that is NOT true. A = {s, i, r}, B = {r, i, s, e}, C = {r, i, s, k, e, d}

47. ## health

200-300 response summarizing health communication technologies Provide any personal experiences in usin or viewing the use of these technologies How will these health communication technologies change the field of heathcare as their use becomes more

48. ## calculus

Area of a sail. The area in square meters for a triangular sail is given by A(x) = x2 + 5x+ 6. a) Find A(5). b) If the height of the sail is x+3 meters, then what is the length of the base of the sail?

49. ## science

Our solar system consists of_____? a) the moon and the planets b) the sun and the planets c) the sun and the moon d) the sun and the planets with their moons Just need to know if my answer or right or wrong. Thanks! :) d

50. ## science

The deepest layers of the earth is called the inner Just need to know if my answer or right or wrong. Thanks! :) inner core

51. ## US History

Compare and contrast the initial formation of two states—Virginia and Pennsylvania—by evaluating and listing the similarities and differences of the first state constitution for each state. Identify the date of each constitution and consider the events

52. ## geometry

larry painted 1/3 of the fence.Lionel painted 3/5,Lester painted the final 40ft.How long waz the fence

53. ## criminal justice

Explain the theoretical basis of ethical behavior and explain the basic elements of normative ethical theory to justify behaviors or situations confronting leaders and managers in decision-making processes.

54. ## Structures and Functions of the Human Body

Heart disease is the leading cause of death in the U.S. Imagine you are teaching a class on heart health. Identify three main topics you would cover in your class. Then, choose one of the topics and explain in 1-2 paragraphs why it is important to the

55. ## science

elements can be classified as metals, nonmetals, and _______. Is the answer alki metals.

56. ## math

how many ways are there to chose a three digit lottery number? numbers like 003,014,222,232 or 123 are all allowed.

57. ## Chemistry

If the percentage yield of a reaction was 78.51% and the theoretical yield was 288.0 g, what was the actual yield?

58. ## Algebra

there are 3 corners in a triangle. one is 44 degrees, another is 4x degrees, and the other is (2x+16) degrees. find the value of x

59. ## physics

2.) A horizontal force of 100 N is required to push a piece of furnisher across a floor at a constant velocity. (a.) What is the net force acting on the furniture?

60. ## spanish

how would we say this spanish word in english? dona Josefina?

61. ## psychology

describe why it is important to consider the 3 domains of development during the study of adult development

62. ## spanish

how do you write senora garcia in english. Is it Mrs. Garcia?

All living things respond in certain ways to ______ in their environment. A.. Changes B.. Respond C.. React

64. ## AP US History

C. Identification Supply the correct identification for each numbered description. 1._____ Extended period when glaciers covered most of the North American Continent. 2._____ Staple crop that formed the economic foundation of Indian Civilization. 3._____

65. ## Algebra

In 1994, the life expectancy of males in a certain country was 64.8 years. In 2000, it was 67.5 years. Let E represent the life expectancy in year t and let t represent the number of years since 1994. E(t)=______ t + ______. Use the function to predict the

66. ## French

what does this mean? "Quelle est ta matiere scolaire preferee? thanks:)

67. ## math

How do I start off this equation? Using correct mathematical notation and symbols, express the following in set builder notation: Z = {4, 5, 6, 7, 8, 9, 10, 11}

When someone complains about a problem, is it a good idea to quickly suggest a solution? A. Yes, because a quick suggestion show you think quickly. B. Yes, because offering a solution shows that you care about the other person. C. No, because the other

69. ## algebra

Which of the following is not a step used when graphing the equation y = −x + 8 using the slope-intercept method? Explain the correct order of steps needed to graph this equation, using the slope-intercept method. Plot the x-intercept (32, 0). Plot the

70. ## childcar

1. The children in your class are working on an art oriojectthat requiresthe children to use a standard hair dryuer . Of the following locations, whioch one woukld be the safest place to put the hair dreyer while the children are working o the project? A.

71. ## Algebra

Evaluate p=q for p=80 and q = 1 ___ 9

72. ## physics

During a lift off , the thrust a rocket produces must overcome the force of gravity in order to lift the rocket off the ground. If a rocket with a mass of 5kg produces a force of 180N, how fast will the rocket be travelling 3 seconds after ignition?

73. ## math

on the illinois state tax form, numbers are to be rounded to the nearest dollar. if heather earned \$8265.53 at her part-time job, what number would she enter on the form for earmings?

74. ## biochemistry

A cellular structure is composed of 20 proteins that have identical structures. How many gene products are required to form this structure?

75. ## Science

The lines of magnetic force generated by the fluid motions of the earth's core result in the formation of the_____. a) North Pole b) north magnetic pole c) magnetic north and south pole d) North and South Poles Just need to know if my answer or right or

76. ## math

explain why 24,005 is greater than 8,999

77. ## Physics

in a compressed spring, energy is in the form of (a) kinetic energy (b) potential energy (c) chemical energy (d) sound energy

78. ## calculus

Let f(x)= Cube root(x + 2) and g(x) = x^3 - 2. Which of the following are true? I. g(x) = f^-1(x) for all the real values of x. II. (f£»g) (x) = 1 for all reak values of x. III. The Function is one-to-one.

79. ## scinec

We measure the distance between stars in light years. A light years is the distance that light travels in one years (about 6 trillions miles). a) true b) false Just need to know if my answer or right or wrong. Thanks! :) true

80. ## leadership and etichal decision making

You are excited about your new position as compliance officer at ECG because this is your first role as a member of a senior executive team. You have the enviable opportunity to be a critical part of ECG’s growth as the leader who will standardize,

I am trying to unscramble ecrfenine in my science homework and cannot get an answer. My mom has read the whole chapter as well with me and we cannot find it. It has to do with scientific method.

82. ## physics

Dependence on imported oil is the largest crisis. The United States alone consumes at least 25 percent of the worlds oil and about 70 percent of that is imported. Oil, coal, and natural gas together supply at least 85 percent of the world energy supply

83. ## English

In the below sentence: Where would be a good place for Jocelyn, Eli, and me to have brunch on the southside/downtown? the rules I remember say to use "me," but "I" sounds better. Please tell me which is correct. Also, when I am talking about the southside

84. ## math

The syetem said my answere was incorrect, let me refrase the question. write the ratio as a fraction in the lowest term. compare in hours 51 hours to 5 days

85. ## Chemistry

How could hard water decrease the efficiency of your kettle?

86. ## geometry

how many inches long is the radius of the largest circle that can fit inside a rectangle 18 inches long and 12 inches wide?

87. ## chemistry

How can you tell if an acid is ionic or covalent?

88. ## Math

Find the vertex of F(x) by using the formula for the x-coordinate of the vertex. F(x)= 4x^2 - 3x - 6 I don't exactly understand this question. could someone clear it up and help me solve it? Thanks!!

89. ## accounting

is it ethical to change accounting methods every year

90. ## algebra

please i need help factoring these problems....20xy, 36g^2h^2, and 44m^2n

91. ## science

Animal cells and plant cells have an outer covering, a _____. Their control center is called a _______.

92. ## science

In the United States, the month with the shortest length of daylight is_____? a) January b) June c) December d) April e) October Just need to know if my answer or right or wrong. Thanks! :) c

93. ## Algebra II

Two algebra II questions... simple, i believe? give a numerical example to show that subtraction is not commutative. and give a numerical example to show that subtraction is not associative. thanks(:

94. ## Algebra

The equation y = 1777x + 27,152 can be used to predict the number y of gun deaths in the United States. x years after 2000, that is x=0 corresponds to 2000: x = 2 corresponds to 2002, x = 5 corresponds to 2005, and so on. Preddict the number of gun deaths

95. ## Chemistry

List three ways in which human activities have contributed to the production of gases that dissolve in water to form acid precipitation

96. ## physics

The politicians and the news media often warn us of an impending energy crisis. What is the crisis, what can be done about it, and how do you feel about it?

97. ## MATH

HOW LONG WILL IT TAKE A CAR BEING DRIVEN AT A SPEED OF 15 MILES PER HOUR TO TRAVEL 26,400 FEET? AN OBJECT MOVING AT A RATE 0F 15 MILES PER HOUR TRAVELS 22 FEET IN ONE SECOND.

98. ## Algebra

Amy paid 72.44 for a pair of shoes during a 25% 0ff sale. What was the regular price?

99. ## physics

A uniform magnetic field of B = 3x10−4 T points in the positive x direction. A charge of 6 μC is fixed at the origin and a charge of −3μC is fixed at (2,0) on the x axis. A charge of 4 μC travels on the y axis at 5.0 x 106 m/s. Neglecting gravity,

100. ## accounting

who is hurt when accounting methods are changed often?

101. ## science

Very hot, liquid iron and sulfur are found 1,800 miles deep in the earth in the _____.? a) inner core b) mantle c) outer core d) crust Just need to know if my answer or right or wrong. Thanks! :) c

102. ## science

A total solar eclipse means that no sunlight reaches a certain area on earth. true false Just need to know if my answer or right or wrong. Thanks! :) true

103. ## algebra

i have got a lot of math problems to do...if you can just help me with 3 of these problems...i could do the rest...thank you so much!! factor each expression::: 1. 20xy 2. 36g^2h^2 3. 44m^2n

104. ## science

An earth satellite in an elliptial orbit moves with a) slower speed as it ages b) none of the above c) constant speed d) faster speed as it ages Just need to know if my answer or right or wrong. Thanks! :) b or d but im strongly going for D but i could be

105. ## science

scientists do their experimental tests more than once, so they can reduce the effects of chance errors is called conducting __________?

106. ## math

use a flow map to help you figure out the missing number. be sure to use arrows to show the direction of your map, and make sure you have a title. clue 1 i am a multiple of 3 clue 2 i am between the numbers 15 and 36 clue 3 when you add my two numbers

use a flow map to help you figure out the missing number. be sure to use arrows to show the direction of your map, and make sure you have a title. clue 1 i am a multiple of 3 clue 2 i am between the numbers 15 and 36 clue 3 when you add my two numbers

108. ## math

How many ways are there to choose a three-digit lottery number? Note that numbers like 003, 014, 222, 232 or 123 are all allowed. 1000 720 240 None of the above Explain your answer and how you came to that conclusion.

109. ## Chemistry

What is the difference between inference and observation?

110. ## medical information management

the average length of stay at hope hospital is less than 30 days which is the best represents hope hospital /

111. ## algebra

can someone help me factor these expressions... 40xy and 36m^2g^2

112. ## Chemistry

Explain what will happen to the volume of a gas as the pressure on that gas is increased. Assume that the temperature and amount of gas remain constant.

113. ## college

I have initial and final gauge length and diameter and also have max load. Now i have to draw stress strain diagram. I know how to draw that graph but i a not provided with failure load or yield load so i am not sure how to graph. Appreciate any help.

114. ## science

Among elliptical orbits, some more circular than others. false true Just need to know if my answer or right or wrong. Thanks! :) true

115. ## math

Place the digits 1,2,3,7, and 8 in a division problem, how would you place them to find the greatest quotient?

116. ## math

Provide the missing representations. Visual: ? Numerical: ? Graphic:-|--|--|--|--|--|--?--|--|--| 0 1 2 3

117. ## science

A falling star is really a ______burning up in the atmosphere of the earth. Just need to know if my answer or right or wrong. Thanks! :) meteor

118. ## accounting

what accounting principle would changing accounting methods violate?

119. ## probability

a jar holds 20 red lollys, and 30 blue lollys. if you draw a lolly without looking, what is the probability that it is a red lolly??

120. ## Physics

if you push a wall with a force of 50N, the work you do is...... (a)500J (b)5000J (c)50J (d)zero

121. ## Science

For any mass m located anywhere in the universe, F=mg is the formula that tells the gravitational attraction between m and the earth, true false Just need to know if my answer or right or wrong. Thanks! :) False

what can i unsramble form itvbarnoeso

123. ## Physics

A runner accelerates to a velocity of 5.28 m/s due west in 3 s. His average acceleration is 0.635 m/s2, also directed due west. What was his velocity when he began accelerating?

124. ## science

Tycho Brache came to the wrong conclusions about the motions of the planets; so all his years of work were? wasted. a) true b) false Just need to know if my answer or right or wrong. Thanks! :) false

125. ## Chemistry

Would distilled water conduct electricity? Why or why not?

126. ## New Jersey

What is Atlantic City like nowadays? Is it a nice place to visit? I might not like it there.

127. ## Algebra

Soybean meal is 12% protein, cornmeal is 6% protein. How many pounds of each should be mixed in order to get 240lbs, mixture that is 8% protein

128. ## math

together two computers cost \$2700 per year to rent. if one costs twice as much as the other, what is the monthly cost of the most expensive one?

129. ## math

Identify the property of multiplication of whole numbers that is illustrated in the following. 3 * 1 = 3

130. ## com156

How does prewriting affect the success of an essay?

131. ## spelling or english

what is a antonym for wordt

132. ## physcis

can we only have uniform electric field in flux only

133. ## Physics

A car and a truck travel with same velocity, the car has more kinetic energy. True or false

134. ## Physics

the work done by the earth in moving round the sun is..................

135. ## science

The earth's magnetic shield has? a) appeared only recently b)disappeared for short periods of time c)caused the earth's land masses to drift apart d)little effect on life this planet e)existed since the planet cooled Just need to know if my answer or right

136. ## science

Newton applied his laws of motion to the problem of the motions of the planets. He assumed that it was gravity that held them in their orbits, true false Just need to know if my answer or right or wrong. Thanks! :) true

137. ## spanish

how do you write don pablo in english? Is it Mr. Pablo. and senor Gomez in english if the last name is gomez Mr. Gomez?

138. ## Environmenta Education

what is animal husbandry?

139. ## college

explain why the graph of f(x)=(x+3)^2-4 looks similar to graph of f(x)=x^2

140. ## science

All living things respond in certain ways to _____ in their environment.

141. ## ALGEBRA

putting function machines in order. completely don't understand.

142. ## math

In 2000 1/3 of all births in the US were to unmarried women. IF there were 1,352,938 births to unmarried women then how many births were in 2000?

143. ## science

There are ______planets that we know about in our Solar System. Just need to know if my answer or right or wrong. Thanks! :) planets

144. ## MATH

WRITE IN DIGITS EIGHT BILLION TWO.ANSWER SHOULD BE 8,200,000,000

145. ## childcare

some child phychologists hace oncluded that is the stongest predictor of both scholastic and career achievement. A. physical illness B. respect for authoirity C. emotional well-being D. inherited intelligence (My answer C) 2. a chikld's ability to jum for

146. ## English/ Writing

I have to persuade my teacher in an essay that a dog is an apple or that an apple is a dog. I can't think of any ways that a dog is like an apple and visa versa. Help!

The diameter of a spider's thread is 1.0 x 10 -3 inch. Write the number in standard form.

148. ## science

which year would you predict produced the greatest percentage of fish? 1970, 1975, 1993, 1980, 1960

149. ## geometry

find the difference between the volume of the cylinder 3-in radius, long 7 and the volume of the rectangular long 8-in wide 5-in and 4-in.round your answer to the nearest cubic inch.

150. ## Physics

the total amount of energy possessed by a body always remains.............

151. ## social studies

the years between 500-1500 AD were called?

152. ## French

How do you say "I prefere track" interms of the sport and not the actual track. I know how to say I prefer and I know that track has the word l'athletisme(sp?) but I'm not sure what come before. Is it faire or jour and is it du after that? Thanks:)

153. ## math

Find (A ¿ B) ¿ C, given A = {s, e, t}, B = {m, e}, and C = {f, r, e, e}.

154. ## science

The moon revolves around the____. Just need to know if my answer or right or wrong. Thanks! :) earth

155. ## physics

does flux depends on electric field or just the enclosed charges only

156. ## Physics

the mechanical energy of a body is the difference of its KE and PE. true or false

157. ## precal

find all the roots of x^4-8x^2+5.

158. ## math

create a table showing time and distance from a word problem

159. ## science

what are inferrences based on?

3+k=m

161. ## Physics

..........is consumed whenever work is done.