# Questions Asked onMay 11, 2009

1. ## Chemistry

What happens to these physical properties as the strength of intermolecular forces increases? My answers are there as well but its not correct Increase or decrease? a) melting point - increases b) vapor pressure-increases c) boiling point- increases d)

2. ## Chemistry

SO2(g) + NO2(g) SO3(g) + NO (g) At a given temperature, analysis of an equilibrium mixture found [SO2] = 4.00 M, [NO2] = 0.500 M, [SO3] = 3.00 M, and [NO] = 2.00 M. (a) What is the new equilibrium concentration of NO when 1.50 moles of NO2 are added to the

3. ## English

What is wrong with this sentence? Since I no longer maintain an office downtown for working on this kind of project.

4. ## Chemistry

What is the molar solubility of PbCl2 in a solution of 0.23 M CaCl2? Ksp = 1.6 10-5 for PbCl2. idk how to do this because of the Cl2

5. ## Algebra I

Use A = P(1+r)^t to find the interest rate. \$2000 grows to \$2420 in 2 years. I have no idea how to go about this problem! Your help is appreciated. Thank you!!

6. ## chemistry

Solid Na2SO4 is added to a solution which is 0.014 M in Pb(NO3)2 and 0.041 M in AgNO3. Assume the volume remains constant. Ksp = 2.0 10-8 for PbSO4 and Ksp = 1.2 10-5 for Ag2SO4. (a) Which compound precipitates first? 1 PbSO4 (b) What is the concentration

7. ## Earth Science

How tall in miles would a stack of 4.5 billion pennies be?

8. ## Grammar

Identify the entire verb phrase: 1.The whole event had been secretly planned by the Wong twins. Ans- had been secretly planned 2.Hadn't you ever been to a state fair before? A.hadn't ever been B.had ever been C.had been D.hadn't been A Are these correct?

9. ## Calculus

Here is my problem that I am trying to work on: A rock is dropped from the top of a 300-ft cliff. It's velocity at time t seconds is v(t0= -32 t feet per second. a.) Find the height of the rock above the ground at time t. b.) How long will the rock take to

10. ## Earth Science

If a major hurricane can generate 1.25 x 10 to the 19th power calories of energy per day, and this energy comes from condensation, how many liters of water must condense each day to form hurricane clouds and precipitation?

11. ## Economics

Could you please check these thanks. Directions: Supply can decrease and increase depending upon several factors. Also you must put if that factor increase/decreases amount of supply, if the supply curves to the left/right, and if the cost to produce is

12. ## Grammar

Here are some more- What kind of complement is the word in CAPS? 1.Fill the BUCKET with potting soil. A.direct object B.indirect object C.predicate nominative D.predicate adjective A? 2.The jigsaw puzzle is too EASY for me. A.direct object B.indirect

13. ## science

1.Why is it difficult to get substances in pure form in nature? 2.Name a liquid that is heavier than water and is not miscible in water?

14. ## English

1. They were standing in a row. 2. They were standing in a line. (Are both the same?) 3. They were standing in two rows. 4. They were standing in two lines. (Are both the same?) 5. Instant noodles are bad for health. 6. Instant noodles are poor for health.

15. ## math

Given the simple interest formula, I = Prt, solve for t

16. ## economics

Discuss the effects on efficient behavior of different liability rules, including comparative negligence. Include in your discussion an analysis of the efficiency of the various rules and discuss the differing costs of administering the rules.

17. ## Economics Quick Question

I'm going to type part of this passage and you have to fill in the blank. Could you check my answer here are the words that may go in that blank. elasticity shortage equilibrium price supply productivity surplus profit techonology Passage: Let's start with

18. ## 7th pre-algebra

I need help understanding how to slove two step equations. Example -10 - k=-36

19. ## Chemistry

Arrange the following ions (Cu^2+. Zn^2+, Al^3+, and Mg^2+) in order of decreasing ability to be reduced. Could someone check my answer and see if it is right? Thanks Cu^2+ > Zn^2+ > Al ^3+ > Mg ^ 2+

20. ## Physical Science

Need help with these questions- 1.What causes an electric current in a wire? A.Electric feilds cause atoms to move in the wire B.Electrons flow because of electrical attraction and repulsion C.Electrons move because of heat D.Electrons build up in the wire

21. ## algebra

Find the unit rate: \$10.99 for 12 slices of pizza.

22. ## spanish

"¿Conoces bien la literatura española?" "Sí, _____ bien." a. la sé b. lo conocemos c. la sabes d. la conozco D

23. ## Quick Question

I need a simple definition that summarizes what The Peiodic Table of Elements is? And what it does. Thank you.

24. ## Chemistry

1. What is the name of the ester formed from formic acid and methanol? ( I know formic acid equals methanoic acid(HCOOH) and we need to change "oic acid" to "-oate", but how about methanol? I had no ideas what to do with the alcohol...) Do the words in

25. ## Chemistry

What is the vapor pressure of ethanol at 13 C?

26. ## spanish

¿Qué materia te gusta más?" "Me gusta más la clase de geometría. Es _____ de todas." a. la clase menos interestante b. la clase más aburrida c. la clase más interesante d. tan interestante como C?--most interesting class

27. ## Chemistry

Would the solubility of AgBr(s) in a .10 M. KNO3 be smaller, larger of the same as the solubility of AgBr(s) in water. Wouldn't it be larger?

28. ## Algebra 1

c. multiplying x/6-5/8=4 by 6 did not eliminate all the fractions/ What could you have multiplied to get rid of all the fractions? Explain how you got your answer and write the equivelent equation that has no fractions. HELP ME PLEASE!!!!!!! I don't

29. ## Chemistry

Question: How many grams of AgI can be dissolved in 150.0 mL of a solution that initially contains NaCn at a concentratoin of .440 M? Would the equation be Ag(Cn)2 -> Ag+ 2CN? What numbers go into what place in the ice table. does the .440 M of CN get

30. ## Calculus

well i have this homework question that says: A rock is dropped from the top of a 300-ft cliff. It's velocity at time t seconds is v(t0= -32 t feet per second. a.) Find the height of the rock above the ground at time t. b.) How long will the rock take to

31. ## Chemistry

Question: When 1.97 grams of Pb(OH)2(s) is added to 1.00 liter of pure water at 25 C a saturated solution (some solid is present) is formed that has a pH of 8.97. Compute the Ksp value for Pb(OH)2 using the data. How do i go about getting the Molarity from

32. ## Probability

A bag contains 5 white discs and 5 black discs. Two players draw discs from the bag one at a time in turns and do not replace them. Andy goes first and draws a white disc. Beth follows and draws a white disc. (a)What is the probability: (i)Andy draws a

33. ## Physics

Alright so I need some help were doing Friction and Centripetal Force A 1250 Kg car traveling at 12 m/s is exiting circular highway exit ramp with a radius of 36 meters then I'm asked to find the acceleration the centripetal force the normal foce which I

34. ## Grammar

Need help with these two questions....I just need to know if I'm right or wrong- Choose the subject of the sentence: 1.Tuesday morning, the RWGC will open. A.morning B.Tuesday morning C.RWGC D.Center C? 2.Last year, wasn't Carson City in Nevada near our

35. ## terminology

When comparing hemodialysis and peritoneal dialysis, it can be said that A. hemodialysis takes longer than peritoneal dialysis. B. peritoneal dialysis involves the removal of blood from the patient. C. hemodialysis is a step closer to the need for

36. ## science

where is the potential and kinetic energy in a cd player?

37. ## spanish

"¿En que actividades extracurriculares participas tú?" "_____ todos los martes." a. tocas en el banda b. participamos en el anuario c. escriben para el periódico d. practico artes marciales i'm confused. isn't it asking what extra curricular activities

38. ## Chemistry

Question: you have .420 Litters of a solution containing Ag3PO4 (s) in equilibrium with its ions. write an algebraic equation which when solved will geive the molar concentration of Ag^+1 after the addition of .200 moles of Na3Po4(s) to the .420 liters of

39. ## To Toni - re Com220

Your very complicated post has been removed. Keep in mind that Jiskha ... ... has no affiliation with any particular school or other institution, and ... doesn't do students' assignments for them, and ... doesn't have access to your assignment materials!

40. ## math

For every 100 cars that enter the intersection from A, 30 cars head toward B, 40 cars head toward C abd 30 cars head toward D. If 60 cars enter the intersection from A, how many cars head toward B?

41. ## Quick Question

What is Quantum Physics and Quantum Mechanics? Is there even a difference between them? thank you very much.

42. ## Chemistry

I have this alkene: CH3-CH2-CH2-CH3 1 CH3-CH2-CH2-CH3 The one is supposed to be a bond, but I did not have that feature on my computer. Would it be called hexane? Thanks for checking this.

43. ## English

I need your opinion on this. I'm writing a research paper with fairly long paragraphs. My teacher said we only need to cite once a paragraph if it is all from the same source, but I feel like that's not enough. Should I cite every line? (My essay is going

44. ## spanish

"Quién es _____ de la clase?" "Tiene que ser Miguel, ¡El siempre esta estudiando!" a. el estudiante más tonto b. el estudiante más inteligente c. los estudiantes más inteligentes d. la estudiante más tonta i don't understand the question

45. ## earth science

Science fair help..about soil.. and UV rays..? my topic is how can natural or artificial UV (ultraviolet rays) affect the humus soil and also the grass growing in it? I took 5 plants and put it near the window and the other ones i put it near an artificial

46. ## economics

Need Help on my final exam. Willing to reward for help. 1. Relate the legal concept of tort to the economic concept of externalities. 2. Does the existence of a tort necessarily mean that economic inefficiency is present? How do torts differ from other

47. ## health

When comparing the flow of lymph in the lymphatic system with the flow of blood in the circulatory system, it can be said that the lymphatic system also A. uses a pump. B. contains fluid that travels in only one direction. C. uses valves to prevent

50. ## y912f / Spanish

Please go back to those two where I asked you to follow the 4 steps. I will NOT supply the answers until you do that! You need to proove to me that you can and will follow those 4 steps first! Sra

51. ## Career Urgent

Why do you need to take a business course to become web designer/developer? I know it's a skill but what does it do? I answer why do web designer/developer need math and computer-related courses and now I need why do you need business. please help and

52. ## Career Urgent

I read it but still couldn't figure out why do you business?

53. ## Grammar

Are all of these words in caps predicate nominatives? 1.Isn't this movie THE BLACK STALLION? 2.Have you met DR.CARLOS WHITMAN, Sally? 3.The winner of the first place ribbon for science is ROBIN SENAROS! 4.Email DAD a copy of the photograph tonight. Thanks!

54. ## Math

¡Ì means sqrt. Simplify (2¡Ì6+3¡Ì3)(¡Ì6-5¡Ì3) I got 15¡Ì2 -45.

55. ## Math

The mean height is 5 ft 4 in. How many students are in the class?

Have any ideas for writing a type sketch about point guards?

57. ## Algebra

Soybean meal is 18% protein; cornmeal is 9% protein. How many pounds of each should be mixed together in order to get 360 lb mixture that is 12% protein?

58. ## Math

50% of what number is 25?

59. ## math

11. Excluding Alaska, find the lowest temperature in the United States for the following date _________ (April 2nd) Express your answer in both Fahrenheit and Celsius. Also include the place where the temperature was recorded

asked by wishing i was good at math
60. ## Chemistry

Question: if 10.0 mg of Mg(OH)2 is placed in 100 ml of pure water, will all of the sample dissolve before equilibrium can become established, or will some sample remain undissolved? i got the Molarity of Mg(OH)2 to be .00172 M. Where does that exactly go

61. ## statistics

The 98% CL for the true average difference in pain levels before versus after hypnosis is (-0.365,3.73). What is the best intereption for this interval??? *note: i said we are 98% confident that the sample average pain reducing effect of hypnosis is

62. ## Math

I need help unscrambling these math words: dlrcaai tteiuqon sigeetnr eeianrdmr eoiatronp

63. ## Chemsitry

Hello. I'm not n=sure about these answers so i was wondering if someone could check them out? 27, A: Which is a stronger acid - sulfuric or carbonic acid? (Answer: Sulfuric acid.) 27, B: Imagine you have two glasses. One contains a solution of carbonic

64. ## spanish

May you see if this is written correctly? Hace veintitrés años, mi madre emigró desde Vietnam hasta los Estados Unidos. Durante aquel tiempo, ella tenía el pelo corto y marrón, con una tez morena. Aunque ella era una joven adulta, fue ingenua cuando

65. ## Tax Planning

Grand Rapids Company paid \$250,000 cash in full settlement of a \$275,000 debt. Before the payment, its assets were worth \$375,000, and its debt equaled \$345,000. How much debt relief must the company include in gross income if it is undergoing Chapter 11

what is is formed as a waste product during respiration

67. ## math

Rewrite the expression with positive exponents: 1/3x-3

68. ## sci 230

Can body parts be rebuilt?

69. ## French

What's wrong with my response in this: Question: À qui aimes-tu rendre visite? Response: J'amie rends visite à ma cousine.

70. ## math plz help

Explain what the Metric System is. Also find the year the metric system was invented and the country where it happened

71. ## science

what are some interesting facts about the sun?

72. ## Chem.

As a go through my study guide, I'm finding that I'm getting esters and normal stoic acids confused. How can you tell when a stoic acid is an ester and when its not? Or are they always the same thing? Thanks for explaining this.

73. ## science

the muscle cell function is what?

74. ## ml

Evaluate the expression 25/23 and write your answer as a fraction in simplest form.

75. ## Math

There's a right triangle. There's an angle that measures 41 degrees. The hypotenuse is x, and the angle opposite 41 degrees measures 25 in length. How can I find what x is? The proportion set up is 25/x, but how do you solve for x?

76. ## spanish

"¿A qué hora _____ tu padre de tu casa?" "Generalmente a las seis y media." a. sale b. salen c. salimos d. sales i'm stuck between A and D

77. ## finance

17. Collins Office Supplies is considering a more liberal credit policy to increase sales, but expects that 9 percent of the new accounts will be uncollectible. Collection costs are 5 percent of new sales, production and selling costs are 78 percent, and

78. ## economics

What is the difference between the application of strict liability in products liability and in other applications of strict liability? Do these different concepts of strict liability have different implications for economic efficiency?

79. ## probabilty

When I go to the local music store the probability I can buy any particular CD I want is 2/5, but if I go to the department store in nearby Tadchester the probability is 5/6. I want to buy two particular CDs. What is the probability that (a)I can get them

80. ## Entropy

If a sample of an ideal gas is heated at a constant volume, I believe its entropy will increase. Am I right? Thanks.

81. ## Math

Thanks in advance, these problems have been stumping me. Please include answers though, I have tried to work it out, but need answers to see where I am going wrong/where I need to go. 1. Determine all solutions for X^4+2-3i 2. Forces of 60 and 100 pounds

82. ## SCI 230

Are test tube babies the same as natural ones?

83. ## spelling!!

I need a sentence with quilting!

84. ## spanish

"¿A que hora salen de cine Carmen y tu?" "_____ a las nueve." a. Salen b. Salgo c. Sale d. Salimos D?

85. ## Calculus

Find a number X such that the error is less than X (The error is 14593/2340 for the sequence, 7n/(n^3+1). How would you start to solve this problem?

86. ## Math/Physics

Thanks in advance, these problems have been stumping me. Please include answers though, I have tried to work it out, but need answers to see where I am going wrong/where I need to go. 1. Determine all solutions for X^4+2-3i 2. Forces of 60 and 100 pounds

87. ## social studies

what were discipline kids got in the colonial times?

88. ## MATH

Find the least common multiple of 20, 30, and 50.

89. ## english3

what are some examples of realism, naturalism and psycological fiction in the short story "An Occurance at Owl Creek Bridge"?

90. ## Economics quick question

How are prices determined in command economies?

91. ## science

where is the sun located.

92. ## Final Project

I need to find 4 children songs/lyrics in between the copyright date of 2004-2009. I have search the Internet 4 days and I have no luck.I need 2 Spanishand 2 English version. Can someone help me please. I need this today.I have to have the name of the

93. ## College philosophy

Why does heidegger think that care is a fundamental part of being dasein? I have no idea what to write and ive been stuck for a while so any help would be appreciated.

94. ## spelling!!

What is a good sentence to make with the word cyphering and copybook.

how do you simplify: 3x+6 ---- 3x^2

96. ## Physics

so I'm doing the back of this worksheet and on the bottom there's a list of a whole bunch of formulas... I'm asked to find the minimum coefficent of friction if the road was flat of a car which I still don't know how to do and posted a question about it

97. ## spanish

"¿Cuando van Uds. a comprar la computadora nueva?" "_____ vamos a comprar la semana proxima." a. la b. los c. las d. lo (i've crossed out A and D from my choices)

98. ## chem nomenclature

whats the formula: tetraamminedinitratocobalt(III) bromide

99. ## Chem.

On the topic of esters, if my Ester is CH3-C(double bond directly downward below the C)-O-CH3, would it be methyl ethanoate or methanoate ethyl? Thanks.

100. ## chemistry

entropy increase as temperature increases why

101. ## phsyics

I was wondering what the difference in current would be in one full extension cord versus several extension cords (which equal the same length as the first) attatched together? I was thinking there would be more resistance when the current goes from one

103. ## spanish

En nuestra escuela, muchos estudiantes quieren ser membros del _____. a. consejo estudiantil b. orquesta c. piano d. contrabajo A?--student council

104. ## SPELLING

WHAT DOES A COLONIAL STOCK MEAN?

105. ## Pre-calc

Thanks in advance, these problems have been stumping me. Please include answers though, I have tried to work it out, but need answers to see where I am going wrong/where I need to go. 1. Determine all solutions for X^4+2-3i 2. Forces of 60 and 100 pounds

107. ## english

essay 'my first day in grade 3'

108. ## Religions

How modern civilization has impacted the spiritual lives of the indigenous peoples you explored. Are indigenous religions still practiced today? If so, how have the practices changed over time?

109. ## English

Where are three places that William Shakespeare lives?

110. ## Math

I am working on 5th grade math...can you help with the following question? In a roll of 50 dimes, 8 were minted before 1983. What percent of the dimes in the roll were minted before 1983?

111. ## science

Why should you visit the sun? what is special about it?

112. ## science

What is a good sentence to use with spinning? It has to be the colonial kind of spinning!

113. ## HELP PLEASE ITS KIND OF HISTORY SLASH MATH

WHAT IS THE SIZE OF THE BASE THAT THE STATUE OF LIBERTY SITS ON

114. ## MATH

find the equation of the line that passes through the points (0,3) and (-3,7).

why can you estimate a quotient without completing the division?

116. ## us history

was the reconstruction era the best or the worst time for African Americans since slavery?

117. ## pre calc

f(x)= x^2+5 g(x)= square root x-1 (f/g)(x)

118. ## spanish

"¿Eres _____ de la orquesta?" Sí. Toco el violin." a. equipo b. coro c. anuario d. miembro D?--member

119. ## spanish

"¿A que hora comieron Uds. esta mañana?" "_____ a las once." a. desayunaron b. desayunamos c. comieron d. comiste A?