# Questions Asked onApril 5, 2008

1. ## FRENCH... yeah....

I have homework on the song, je realise by sinik, and it asks me what do i feel when i listen to this, and i only have 2 feelings, and i need 2 more... also it says why do u feel these feelings. go to h t t p : / / y o u t u b e . c o m / w a t c h ? v = 9

2. ## Calculus

This problem set is ridiculously hard. I know how to find the volume of a solid (integrate using the limits of integration), but these questions seem more advanced than usual. Please help and thanks in advance! 1. Find the volume of the solid formed by

3. ## chemistry

If 25.00 mL of 0.20 mol/L HCO2H(aq) is titrated with 0.20 mol/L NaOH(aq) (the titrant), determine the pH a) befor titration began b)after 10.00 mL of NaOH has been added c) at the equivalence point

4. ## chemistry

A solution is prepared by dissolving 17.1grams of sucrose, c12h22o11, in 275grams of h20. a)what is the molar mass of sucrose? How would i do that??

5. ## chemistry

Calculate the Ka of nitrous acid if a 0.200 mol/L solution at equilibrium at SATP has a percent ionization of 5.8%

6. ## Physics

Two identical dragsters, starting from rest, accelerate side by side along a straight track. The wheels have identical angular acceleration. The wheels on one of the cars roll without slipping, while the wheels on the other slip during part of the time.

7. ## Economics

Consider the production function Q = 20K 1/2 L 1/2. The firm operates in the short run with 100 units of capital. a. The firm’s short-run production function is Q = __________. c. The average product of labor function is AP = __________. d. The marginal

8. ## Physics

The second hand and the minute hand on one type of clock are the same length L. -------------------------------------------------------------------------------- (a) What is the period Tsecond of the motion of the second hand? (_) The period is 10 seconds.

9. ## chemistry

If 10.0 mL of 0.250 mol/L NaOH(aq) is added to 30.0 mL of 0.17 mol/L HOCN(aq), what is the pH of the resulting solution?

10. ## Managerial ECON

Suppose that a firm is currently employing 20 workers, the only variable input, at a wage rate of \$60. The average product of labor is 30, the last worker added 12 units to total output, and total fixed cost is \$3,600. a. What is marginal cost? b. What is

11. ## Physics

Many hot-water heating systems have a reservoir tank connected directly to the pipeline, so as to allow for expansion when the water becomes hot. The heating system of a house has 74 m of copper pipe whose inside radius is 9.10 10-3 m. When the water and

12. ## DrBob222

A car moving at 16.0 m/s, passes an observer while its horn is pressed. Find the difference between the frequencies of sound heard when the car approaches and when it recedes from the stationary observer. The velocity of sound is 343 m/s and the frequency

13. ## Physics

A 10 kg block of ice has a temperature of -13°C. The pressure is one atmosphere. The block absorbs 4.10 106 J of heat. What is the final temperature of the liquid water? I multiplied 10kg by -13 and divided by the heat absored by the block 4.10*10^6 but i

14. ## chemistry

Lactic acid, HC3H5O3(aq) is a weak acid that gives yougurt its sour taste(Yeeeeecccckkk). Calculate the pH of a 0.0010 mol/L solution of Lactic acid. The Ka for lactic acid is 1.4 x 10^-4

15. ## Physics

A dragster starts from rest and accelerates down the track. Each tire has a radius of 0.360 m and rolls without slipping. At a distance of 360 m, the angular speed of the wheels is 292 rad/s.

16. ## math

A hockey team played n games, losing four of them and winning the rest. The ratio of games won to games lost is

17. ## DrBob222

How fast should a car move toward you for the car's horn to sound 2.88% higher in frequency than when the car is stationary? The speed of sound is 343 m/s. I don't know what equation to use. I think I'm suppose to use this: fs(v-vd/v-vs) I know I got it

18. ## chemistry

A solution is prepared by dissolving 17.1grams of sucrose, c12h22o11, in 275grams of h20. what is the molality of that solution? how would i do this???

19. ## English

I have to write a report for an international research company about the nature and quality of advertising in my country. I should describe some of the positive and negative aspects of two different forms of advertising - say how effective these

20. ## Geometry

The image of P(-1, 5) under a translation is P'(5, 7). What is the preimage of P? Could someone show me steps on how to do this problem, and the answer please? Thank you.

21. ## Math

1. Find the value of Sin^-1(-1/2) a. -30 degrees b. 30 degrees c. 150 degrees d. 330 degrees 2. Find the exact value of cos(-420 degrees) a. -1/2 b. 1/2 c. sqrt of 3/2 d. -sqrt of 3/2 3. p(-9/41, 40/41) is located on the unit circle. Find sin theta. a.

22. ## Physics

A ruler is accurate when the temperature is 25°C. When the temperature drops to -16°C, the ruler shrinks and no longer measures distances accurately. However, the ruler can be made to read correctly if a force of magnitude 1.2 103 N is applied to each

23. ## DrBob222

A boy is blowing a whistle of frequency 536 Hz and walking toward a wall with a speed of 1.64 m/s. What frequency of the reflected sound will the boy hear if the speed of sound is 343 m/s? 532 Hz

24. ## chemistry

A lab technician tests a 0.100 mol/L solution of propanoic acid and finds that its hydrogen ion concentration is 1.16 x 10^-3 mol/L. Calculate the percent ionization of propanoic acid in water

25. ## chemistry

Methanoic acid HCO2H(aq) also known as formic acid, is partly responsible for the characterisitic itchy rash produced by the leaves of the stinging nettle plant. Calculate the pH of 0.150 mol/L methanoic acid. The Ka for methanoic acid is 1.8 x 10^-4.

26. ## chemistry

Methanoic acid HCO2H(aq) also known as formic acid, is partly responsible for the characterisitic itchy rash produced by the leaves of the stinging nettle plant. Calculate the pH of 0.150 mol/L methanoic acid. The Ka for methanoic acid is 1.8 x 10^-4.

27. ## biology

Hey can you help me out with these questions? What is the separation of homologous chromosomes during Anaphase I of meiosis called? What is the animal secretion serving as communication between members if the same species? Thanks?

28. ## chemistry

Lab: Determining Ka of Acetic Acid Purpose: The purpose of this experiment is to determine the molar concentration of a sample of acetic acid and to calculate its Ka. Materials: 25 mL pipet and bulb burette 2x150 mL beaker 125 mL Erlenmeyer flask acetic

29. ## Kate Chopin Coursework

Kate Chopin¡¦s stories are essentially about the struggle of freedom Kate Chopin was one of the most individual and adventurous nineteenth century American writers. Throughout Kate Chopin¡¦s stories, she gave the readers a woman¡¦s view of how

30. ## Physics

Suppose you are driving a car around in a circle of radius 157 ft, at a velocity which has the constant magnitude of 42 ft/s. A string hangs from the ceiling of the car with a mass of 1.8 kg suspended from it. What angle (in degrees) will the string make

31. ## chemistry

1) The color of bromocresol green indicator is??? when pH < 4, green when pH 4- 5.3 and ???? in pH > 5.3. 2)(A) A student performed the freezing point depression experiment according to directions but mistakenly recorded the mass of lauric acid as 8.300 g

32. ## algebra

Which are the solutions of 18x^3=50x? A. 0,5/3 B. -5/3,5/3 C. -5/3,0,5/3 D. -5/3,1,5/3 I don't know how to get the answer.

Please check this for me and let me know what you think. I need to write at least one paragraph on this... A 52 year old man suffers a pulmonary embolism that orignated as a blood clot in his right leg. Describe this condition and how it develops. Trace

34. ## chemistry

Use the Gibbs-Helmholtz equation and the concept of equilibrium to calculate the approximate Celsius temperature for the boiling of bromine. Br2(l) Br2(g)

35. ## chemistry

My question is found in the analysis section. Thanks to all who can help Lab: Determining Ka of Acetic Acid Purpose: The purpose of this experiment is to determine the molar concentration of a sample of acetic acid and to calculate its Ka. Materials:

36. ## chemistry

A 0.25 mol/L solution of benzoic acid, KC7H5O2 and antiseptic also used as a food preservative, has a pH of 2.40. Calculate the Ka of benzoic acid at SATP

37. ## Physics

For an electron moving in a direction of the electric field its potential energy _______ and its electric potential _________. Wouldn't the blanks be "increases" and "decreases"? because PE=mgh while V=kq/r

38. ## Physical Science

If we double the frequency of a vibrating object what happens to its period?

39. ## Economics

What economic policy should be adopted by regions with persistent economic problems? Why is macroeconomic policy NOT the solution?

40. ## Medical office mangement

I was wondering if anyone could please tell me a web-site me. I need info on different filing systems etc thanks

41. ## chemistry

On a hot sunny day.... why is the chrome fender of a white convertable car with its top down cooler to touch, than its dark red plastic seats? Is it because the lighter the color is, the less heat is absorbed? why id an asphalt sidewalk warmer to touch on

42. ## Marketing

Companies often forget to pay enough attention to their distribution channels, resulting in their failure to make long-term commitments to these firms. Is the answer to this true? I know companies ofetn pay little attention to their distribution channels

43. ## Chemistry

usinf the kinetic molecular theory, why does the gas pressure increase when volume of gas decreases at constant temperature?

44. ## Derivation of Physics Equation

How do we derive these laws: (most of the time, the numbers are subscript) v'2 = v1 * ( (2 * m) / (m1 + m2) ) + v2 * ( (m2-m1) / (m1+m2) ) & v'1 = v1 * ( (m1-m2) / (m1+m2) ) + v2 * ( (2 * m2) / (m1 + m2) )

45. ## chemistry

What mass in grams of potassium hydroxide is cntained in 500 mL of solution that has a pH of 11.5?

46. ## DrBob222

You are creating a transverse wave in a rope by shaking your hand from side to side. Without changing the distance that your hand moves, you begin to shake it slower and slower. What happens to the wavelength? it decreases

47. ## chemistry

Calculate the pH of the following aqueous solution: 1.00 mol/L sulfuric acid, H2SO4(aq)

48. ## literature

I have to write a term paper using examples from the text oedipus and discuss and analyze the literart devices of symbolism and irony in the play. I must discuss how these devices help develop on the motifs sophocles utilized in his work. I have started to

49. ## chemistry

What is the pH, pOH and [OH-] of 0.06 mol/L HI(aq)?

50. ## algebra

Can you give me and example of an inequality and provide a value that may or may not be a solution to the inequality?

51. ## Physical Science

Why is an echo weaker than the original sound?

52. ## Physical Science

At the stand of a racetrack you notice smoke from the starters gun before you hear it fire Explain.

53. ## Geography

What is a geographical midpoint (defintion wise)?

54. ## chemistry

Lab: Determining Ka of Acetic Acid Purpose: The purpose of this experiment is to determine the molar concentration of a sample of acetic acid and to calculate its Ka. Materials: 25 mL pipet and bulb burette 2x150 mL beaker 125 mL Erlenmeyer flask acetic

55. ## FRENCH

ugh... what does this mean, En lisant en écoutant la chanson "Je réalise"? i think it means "in read in hear the song "je réalise""?

56. ## Physics

A person eats a container of yogurt. The Nutritional Facts label states that it contains 195 Calories (1 Calorie = 4186 J). What mass of perspiration would one have to lose to get rid of this energy? At body temperature, the latent heat of vaporizaiton of

My brother and I are trying to start our own wireless indirect agent. We both have experience in managing a wireless store and the kowledge in rate plan and wireless market, but becasue we are a new business it is hard to get fiancing. We have dealed with

58. ## Technology in Health Services

Write a vulnerability assessment report for an urban medical clinic serving low-income clientele as if you were a consultant. The clinic is located in the hot, dry desert region of Southern California, in a high-traffic, high-crime area. 1. Use the

59. ## English

Being unable to type the letter, the boss fired me. 1) It is a run-on. 2) It is a dangler. 3) It is a comma splice. 4) It lacks parallel parts.

60. ## religion

why is it so important to learn about other people beliefs and attitudes? How will you utilize this imformation in the future?

61. ## Physics

An object of mass 3.5x1023kg circles the earth and is attracted to it with a force whose magnitude is given be GMeM/r^2. If the period of rotation is 22 days, what is the distance from the earth to the object? Here G=6.67x10-11 Nm2/kg2, Me=6x1024 kg.

62. ## Physical Science

How does a Doppler effect aid police in detecting speeding motorist?

63. ## Algebra II

In an election poll, 56% of voters chose a certain candidate. find the margin of sampling error. So far I have: ME=2sqrt0.56(1-0.56)/400 but I don't know how to finish the problem. Any help would be great!

64. ## speech

Can you help me write my speech for english it is about smoking can you help me?

65. ## Physics

An electron is placed near a neutron. Which statement best describes the electrostatic force between them? a) there's no force between them since one is neutral b)there's a force of repulsion between them c)there's a force of attraction between them Isn't

66. ## DrBob222

Shaking a towel up and down would create what type of wave in the towel? surface

67. ## Physics

The materials with the lowest resistance are called a) conductors b)superconductors c)semiconductors d) insulators I can't decide between a) or b) but if I had to choose one would the correct one be b)?

68. ## DrBob222

For incomplete cancellation to occur, opposite pulses must have. equal displacements

69. ## Chemistry

THERMAL PROPERTIES OF MATERIALS: 1)One average, which is hotter in the summer, a city far away from any large body of water or a similar city located near a large body of water? I'm not sure about the reason why, but I think the answer is a city located

70. ## Physics

Find the length of a bridge if it is known that the steel in the roadbed expands by 0.52 m when the temperature changes from +2 to +30°C.

71. ## chemistry

Does particle size have more or less of an effect on the rate of reaction than temperature?

72. ## Java

I need to write a Java program using an input file with the below data. I don’t even know where to begin. I have written others but this one has me totally confused. I know how to do it using math WL% = Wins / (Wins + Losses) I also wrote this to use

73. ## Chemistry

A solution is made by mixing 20.0 mL of toluene C6H5CH3d=0867gmL with 140.0 mL of benzene C6H6d=0874gmL. Assuming that the volumes add upon mixing, the molarity (M) and molality (m) of the toluene are?

74. ## Chemistry -- to Dr.Bob

I had posted a while back and still couldn't solve this is there anyway you could show me the steps on how u did this? thank you very much A solution is made by mixing 20.0 mL of toluene C6H5CH3d=0.867gmL with 150.0 mL of benzene C6H6d=0.874gmL. Assuming

75. ## Algebra

I need to test the integral bounds for the roots. 6x^3-7x^2+7x+9=0 I used synthetic division to find my answer. 1 6 -7 7 9 6 -1 6 6 -1 6 15 0 6 -7 7 9 0 0 0 6 -7 7 9 -1 6 -7 7 9 -6 13 20 6 -13 20 29 2 6 -7 7 9 12 10 34 6 5 17 43 my answer: -1

76. ## DrBob222

True/False The medium determines the speed through which most mechanical waves will travel. True

77. ## DrBob222

A wave created when two different waves meet will have an amplitude greater than the individual waves because of. constructive interference

78. ## Critical Thinking

Identify and name fallancy below and explain. This measure is of sufficient importance that our representatives should have the integrity to bring it to a vote. Please help, thank you,

79. ## Algebra II

The problem is:Prove that the statement 1/5+1/5^2+1/5^3+...1/5^n=1/4(1-1/5^n) is true for all positive integers n. Write your proof in the space below. How do I start this? I have looked at the only example in the book but it did not help me. Any help in

80. ## Math

What are the divisibility rules for 96?

81. ## sociology

Describe other measurements sociologists use to calculate prejudice.

82. ## theology

How does the Book of Daniel present a spiritual message? What is the main purpose of this message?

83. ## Physical Science

What kind of motion should you impact to the nozzle of a garden hose so that the resulting stream of water approximates a sine curve?

84. ## Algebra

Can someone tell me how they got the answer? Find a polynomial equation with real coefficients that has the given roots. 4i, sqrt5 my answer: x^4-22x^2+80=0 correct answer: x^4+11x^2-80=0

85. ## Physics

What's the difference between heat capacity and specific heat capacity? What units are each measured in?

86. ## Math

Please help me with some good websites for the followung question. what industry is affected by the economy,such as the airline, automobile, home building, technological or gasoline?

87. ## DrBob222

Everyone's help is greatly appreciated. I have put alot of thought into all of my answers, I may have used the incorrect formula or what have you but it happens. Now that I got that out of the way here goes the questions: True/False A wave's amplitude

88. ## Physics

1)Several resistors are connected in parallel. If a battery provides constant voltage in this circuit the addition of another resistor in parallel a)increases current through each resistor b)decreases current through each resistor c)doesn't affect the

89. ## DrBob222

You are creating a transverse wave in a rope by shaking your hand from side to side. Without changing the distance that your hand moves, you begin to shake it slower and slower. What happens to the amplitude? it decreases

90. ## DrBob222

You are creating a transverse wave in a rope by shaking your hand from side to side. Without changing the distance that your hand moves, you begin to shake it slower and slower. What happens to the frequency? it decreases

91. ## Algebra II

What is the inverse of: y = (2-x)^2

92. ## english

Which sentence is grammatically correct? 1) She should of typed the report. 2) Would you get a pencil off her? 3) This is just between you and I. 4) The new salesclerk waited on me,.

93. ## algebra

In an equation does the inequality sign change when both sides are multiplied or divided by a negative number? Why or why not?

94. ## algebra

3(7+2x)¡Ü 30+7 (x-1) The answer to this inequality problem is x ¡Ý -2 I can't figure out how they got this answer. Can you show me the steps?

95. ## Critical Thinking

Please help and Identify the rhetorical devices used by the sentence below and explain. The bill would also adopt a federal ban on late-term procedures that opponents refer to as partial-birth abortions. Thank you,

96. ## algebra

3(7+2x ¡Ü 30+7 (x-1) The answer to this inequality problem is x ¡Ý -2 I can't figure out how they got this answer. Can you show me the steps?

97. ## English Essay Writing

Here is my intro paragraph to my AP English 12 FINAL paper. I feel like it's really weak and short for a paper that's supposed to be 10 pages long. Please help! Salman Rushdie, the author of Midnight’s Children, and Arundhati Roy, the author of The God

asked by I need ENGLISH help
98. ## sociology

In your opinion, is it difficult to accurately measure prejudice? Why or why not?

100. ## chemistry

cloud has a pH of 2.0 rainfall has a pH of 5.5 how many times more acidic has the moisture been in the clouds? please help

101. ## algebra

Can you give me and example of an inequality and provide a value that may or may not be a solution to the inequality?

102. ## algebra

In an equation does the inequality sign change when both sides are multiplied or divided by a negative number? Why or why not?

103. ## algebra

I'm having trouble getting the symbols to post correctly on this page so let me try this again..... 3(7+2x) ¡Ü 30+7 (x-1) The answer to this inequality problem is x x ¡Ý-2 -2 I can't figure out how they got this answer. Can you show me the steps?

104. ## grammar

Some athletes have taken drug tests to prove they are not on steroids

105. ## geometry

340% of what is 94?

106. ## DrBob222

BTW I just want a yes, no, and/or hint for these questions to save some time. True/False Doubling the amplitude of a wave will double the amount of energy the wave can transfer. True

107. ## algebra

I would like an example of an inequality that uses both multiplication and addition properties of inequalities.

108. ## science

Descriptors that apply to Muslim and Arab Americans

109. ## DrBob222

What happens when a wave reaches the boundary of a new media? it would reflect back.

110. ## DrBob222

For the medium to remain undisturbed as two pulses pass the same point, they must have. different amplitudes

111. ## DrBob222

If a wave has a period of .02 seconds and a speed of 4 m/s, what is its wavelength? .08 m

112. ## algebra

How do you know if a value is a solution for an inequality and how is this different from determining if a value is a solution to an equation?

113. ## history

Why dia America win the Revolutionary War?

114. ## Algebra II

During a sale, 1/6 of the CD prices are reduced. Find the probability that 2 of 4 randomly-selected CDs have reduced prices. How do I set this one up?? Thanks

115. ## World Religions

Shows that the cultural and societal influences that have made Hinduism vital to the region in which it orginated

116. ## science

How do you calculate you mass on the moon?

118. ## math

i have two doors one is hell the other is heaven ,one always tell the truth the other always lies how do i know each one is each?

119. ## chem

which of the following would have the hoighest boiling point: 1-bromethane, acetic acid, or ethane?

120. ## algebra

If you replace the = sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both the equation and the inequality?

121. ## Social Studies

I have a challenge for you, I have been raking my brain and can not un-scramble the fol: iscolouredcow I think that it is a city somewhere in ASIA Thanks

122. ## DrBob222

The Doppler effect is a change in the ______of a sound. pitch

123. ## DrBob222

As a sound source moves away from a stationary observer, the number of waves will. decrease

124. ## math

x^3+7x^2+7x+49

125. ## algebra

If you replace the = sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both the equation and the inequality?

benefits of a venture plan

127. ## Physical Education

what is the acceleration zone in track and field?

128. ## FRENCH

oops i forgot to add something. what does qu'est-ce qui étonne mean?