# Questions Asked onJune 27, 2011

1. ## Chemistry

Write a balanced net ionic equation (include physical states) for the following reaction: Fe(NO3)3(aq) + LiOH(aq) → LiNO3(aq) + Fe(OH)3(s)

2. ## probability/statistics

You roll two fair dice, a white one and a red one. a. find P(5 or 6 on the white die and odd number on the red die). b. Find P(odd number on the white die nad 5 or 6 on the red die). c. Find P(5 or 6 on the white die nad 5 or 6 on the red die. Please show

3. ## math

is a liter equal to 100 centiliters. Is a centiliter a greater measure than a milliliter? explain.

4. ## Chemistry

what is the proper name for (CH3)2CHCH(OH)CH3?

5. ## Statistics

Suppose that about 25% of those called will find and excuse (work, poor health, etc) to avoid jury duty. If 12 people are called for jury duty, what is the probablity that 4 or more will not be available to serve on the jury? Please show work Thank you

6. ## statistics

what is the third quartile, Q3 of the following distribution: 4,5,33,10,12,14,34,43,21,22,21,22,44,29,16,18,20,24,26,29?

7. ## calculus

find tangent line equation to the curve at the given point: y= 7e^x cos(x) P=(0,7)

8. ## geometry

Quadrilateral RSTU is a rectangle with diagonal RT. If m = 8x + 4 and = 3x – 2, find x.

9. ## physical science

A rocket blasts off. In 10.0 seconds it is at 10,000 ft, traveling at 3600 mph. Assuming the direction is up, calculate the acceleration. 5280 ft/sec2 528 ft/sec2 100 ft/sec2 100. ft/sec2

10. ## Chemistry

Assume the heat absorbed by the calorimeter was 200J. What is the calorimeter constant (Heat Capacity) if the temperature changed from 22C to 26C? I know the answer is 50 J/k. But I am not sure how to get this.

11. ## Chemistry

In a certain mountain range, water boils at 92°C. What is the atmospheric pressure under these conditions? The enthalpy of vaporization of water at 100°C is 40.7 kJ/mol. R=8.31J/(K*mol))

12. ## Chemistry

Calculate the molar solubility of AgI in pure water. molar solubility=9.2*10^-9 M 0.14 M NaCN; Kf for Ag(CN)2- is 3.0*10^2

13. ## chemistry

Analyze and explain the buffer system in buffered aspirin (carboxylic acid).

14. ## Chemistry

Calculate the calorimeter constant if 25g of water at 50C was added to 25g of water at 25C with a resulting temperature of 35C? The answer is 52.3 but I do not know how to get to this. I hope someone can help. Thanks!

15. ## math

B is the midpoint of segment AC. AB = 5x and BC = 3x + 4. Find AB, BC and AC.

16. ## Chemistry

Calculate the molar heat of neutralization in kj/mol of the reaction between HA and BOH given the following information: The temperature change equals 9C 50mL of 1M concentration of Acid 50ml of 1M concentration of Base Heat Capacity of the calorimeter is

17. ## Chemistry

Assume a piece of hot metal is added to a calorimeter containing 50mL of water at 22C. The amount of heat released by the metal was determined to be 1000J, and the equilibrium temperature in the calorimeter was 26C. Remembering that the specific heat of

18. ## Chemistry

Assume a piece of hot metal is added to a calorimeter containing 50mL of water at 22C. The amount of heat released by the metal was determined to be 1000J, and the equilibrium temperature in the calorimeter was 26C. Remembering that the specific heat of

19. ## Physics

What hanging mass will stretch a 1.9-m-long, 0.54 - diameter steel wire by 1.2 ?

20. ## physical science

If a car goes along a straight road heading east and speeds up from 45 ft/sec to 60. ft/sec in 5 sec, calculate the acceleration. = Note: If the speed were given in miles per hour, and the time were given in minutes, you could change the minutes to a

21. ## math

HOW MANY GRAMS OF NH3 CAN BE PRODUCED FROM 15.0 G H2

22. ## Chemistry

Write equations for the dissociation of the following in water. Include physical states for all species. CaCl2 (NH4)2SO4 NaC2H3O2

23. ## Finance

Your company is considering a replacement of an old delivery van with a new one that is more efficient. The old van cost \$30,000 when it was purchased 5 years ago. The old van is being depreciated using the simplified straight line method over a useful

24. ## engish

At the fair, not only can I eat tasty food, but I can also see awesome fireworks. how can you make that a parallel sentence

The language style of minutes reflects the type of meeting held. This means: (Points: 5) a) the more formal the meeting, the more informal the wording and tone of the minutes. b) the more informal the meeting, the more formal the wording and tone of the

26. ## physical science

While traveling south on an expressway, a car traveling 60 mph (miles per hour) slows down to 30 mph in 12 minutes due to traffic conditions. Calculate the acceleration. = -2.5-6.0-150-450 mi./hr2 NSWEn/a

27. ## algebra

Which quadrants does the line representing the equation y = 8x pass through? Check all that apply.

28. ## science207

Oil and gas companies want to drill in several parks, monuments, and wildlife refuges. Do you think this should be allowed? Why or why not? Under what conditions would drilling be allowable?

29. ## Chemistry

If a solution of sodium phosphate, Na3PO4, is poured into seawater, precipitates of calcium phosphate and magnesium phosphate are formed. (Magnesium and calcium ions are among the principle ions found in seawater.) Write net ionic reactions for the

30. ## physical science

A rock tied to a string is swung around in a circle at a constant speed of 25 ft/sec. The length of the string is 1.765 ft. Calculate the acceleration. = _____ . 354.1 ft/sec2 350 ft/sec2 14.16 ft/sec2 14 ft/sec2

31. ## statistics

The director of a health club conducted a survey and found that 23% of memebers used only the pool for workouts. Based on this information, what is the probablity that for a random sample of 10 members, 4 used only the pool for workouts? Please show work

32. ## chemistry

A 40.0 mL sample of 0.150 M Ba(OH)2 is titrated with 0.400 M HNO3. Calculate the pH after the addtion of the following volumes of acid, and plot the pH versus millimeters of HNO3 added. a. 0.00 mL b. 10.2 mL c. 19.9 mL d. 30.0 mL e. 39.8 mL

1. Self-interest is not a primary motivation for people to become involved in a capitalist economy. a. True b. False Answer: A 2. In the U.S. economy, the government does not interrupt the market economy and business transactions between companies. a. True

34. ## science

Based on the reactivity series, decide whether the following reaction will occur. If you think there will be no reaction, write down why you think this. If you think a reaction will happen, write down why you think it will happen, and the word equation to

35. ## science

Can someone please tell me if this paragraph makes any sense at all? I feel like I contradict myself, as I do not understand the subject very well. Thank you. "Since neither of the parents in the pedigree has the genetic disorder (as indicated by their

36. ## Calculus

An investment grows ar a rate of 2.5% each year compounded continuously. Approximately how long will it take the investment to double?

37. ## Calculus

If the price at which x units can be sold is given by the equation p=15-4 ln x, approximate the marginal revenue when x=7.

38. ## geometry

If QRST below is a rectangle, find x if angle S is equal to 7x + 55.

39. ## geometry

the measures of two complementary angles are in the ratio 4:1. wht is the measure of the smaller angle?

40. ## statistics

For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The

41. ## geometry

if there are 30 students in the classroom,and the ratio for boys to girls is 4:6,how many boys and girls are in the class

42. ## algebra

an individual has two low interest loans, one at 4% interest and the other at 6% interest. The amount borrowed at 6% is \$250 more than the amount borrowed at 4% If the total interest for one year is \$165, how much money is borrowed at each rate

43. ## science

Can someone please tell me if this paragraph makes any sense at all? I feel like I contradict myself, as I do not understand the subject very well. Thank you. "Since neither of the parents in the pedigree has the genetic disorder (as indicated by their

44. ## Physics

Question: A car is on a ramp 100m from the bottom of the ramp (angle of incline=30 degrees): a. If the potential energy of the car is 80902 J, how much does the car weigh? b. What is the KE half way down the ramp? c. What speed is the car moving at the

45. ## physical science

A car slams on its brakes, coming to a complete stop in 4.0 sec. The car was traveling north at 60.0 mph. Calculate the acceleration.

46. ## chemistry

100 mL of water is already in the calorimeter. Use the density of water at 25°C (0.998 g/mL) to determine the mass

47. ## Geometry

John places a mirror on the ground between himself and an apartment building. He then stands so that he can see the top edge of the building in the center of the mirror. The center of the mirror is 6.10 meters from her feet and 18.30 meters from the

48. ## math

Taxi fares are \$3.50 for the first half mile and \$0.75 fro each addditional quater mile. Write a rule for computing the fare for an n-mile trip by taxi.

49. ## chemistry

Starting with a 2.0 M NaOH solution, determine how you would prepare 1 L of a 0.1 M NaOH solution.

50. ## Computers

What is software that monitors incoming communications and filters out those that are from untrusted sites or fit a profile of suspicious activities

51. ## Physics

In Ampere's Law, the currents outside the Amperical loop DO contribute to the magnetic field B but are NOT included in the Right side of the equation with I : ç B.ds = ƒÊ * I Why? I'm so cofused. can anyone explain plzzzz..

52. ## Chemistry

Describe how you could find the % by mass of water in the hydrate CuSO4Ÿ5H2O assuming that you did not already know the formula. Be specific and list the laboratory procedural steps you would take in the order that you would perform them.

53. ## early childhood development

the basis of a good child guidance system is the caregiver's (a)arrangement of space in the facility (b)kknowledge of child development (c)choice of equipment (d)schedule of activities i put b

54. ## statistics

There are 20 numbers, the highest is 91, the lowest is 34. The mean is 60 and the standard deviation is 5. What are the 20 numbers?

55. ## math

List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was 15 years of age or younger. Find the prime factorizations of your age and the other two persons’ ages. Show your work listed

56. ## biology

Can someone please tell me if this paragraph makes any sense at all? I feel like I contradict myself, as I do not understand the subject very well. Thank you. "Since neither of the parents in the pedigree has the genetic disorder (as indicated by their

57. ## algebra

geometrical verification of algebric identity (a+b)²=a²+2ab+b²

58. ## physical science

If a car goes along a straight road heading east and speeds up from 45 ft/sec to 60. ft/sec in 5 sec, calculate the acceleration. = 3-3 ft/sec 2 NESn/aW Note: If the speed were given in miles per hour, and the time were given in minutes, you could change

59. ## physical science

A weight attached to a wire is swung in a circular path. Its speed is 12 meters/sec, and it has a centripetal acceleration of 9.0 meters/sec2. Calculate the diameter of the circle. 1.3 meters 2.6 meters 16 meters 32 meters

60. ## math

suppose each side of a square in the grid is 4 cenimeters and represents 1 meter at a the actual dig site.what the scale factor of the grid map

61. ## math

List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was 15 years of age or younger. Find the prime factorizations of your age and the other two persons’ ages. Show your work listed

62. ## Geology

I am totally confused, need to come up with the Arrival Time of P Wave, S Wave Love Wave and Rayleigh Wave and distance from epicenter for LA and Austin when I am only supplied with the following info for Urbana: 3400 miles from Epicenter P Wave arrive

63. ## calculus

Find all relative extreme points y=x e^-x

64. ## physics

Suppose 2 balls of same mass are held by 4 ropes, 2 for each ball. One ball is held by 2 ropes fastened at same height to something and the other at different heights. If the angles made by each respective pair of ropes(eg. right to right) are equal, are

65. ## ENGLISH

In the essay A Modest Proposal Characterization (What is your opinion of the Irish poor?)

66. ## algebra

Describe in your own words how to solve a linear equation using the equality properties. Demonstrate the process with an example. Next, replace the equal sign in your example with an inequality by using the less than or greater than sign. Then solve the

67. ## physical science

A car goes around a curve (the arc is part of a circle with a radius of 25 ft.) with a speed of 20.0 ft/sec. What is the magnitude of acceleration?

68. ## Math

How tall would a glass (in the shape of a right circular cylinder)with a diameter of 3 inches need to be to hold 12 ounces.

69. ## Math

How many liters of water should be added to 20 liters of 40% solution of acid to obtain 30% solution?

70. ## english

I'm writing a personal letter and I was wondering if you could check to see if my grammar in these following sentences is correct or if it's missing a comma. I don't want to post the entire letter because its personal. Thank you. I am so blessed to have

71. ## Physics

Is velocity conserved in a elastic and inelastic collision? -I think velocity is not conserved in either collision because when they hit each other the energy transfers to one another. Am i right?

72. ## algebra

Solve the indicated set 6 - 3x = - 31; (reals)

73. ## PHYSICS

Which simple machine has more mechanical advantage a pulley or a inclined plane? PlEASEE HELP SUPER CONFUSED

74. ## Science

Explain with a diagram why we see the Milky Way as a broad band of stars stretching across the sky from one horizon to another. So, I'm not sure what to draw... is it right to draw milky way then there is other galaxies in the background????

75. ## science (universe)

describe the big bang theory about the origin of the universe.

76. ## Calculus

After x weeks of prcatice, a student can type f(x)=80(1-e^-0.3x)words a minute. How sooon will the student be able to type 60 words per minute? (Round to the nearest tenth)

77. ## chemistry

100 mL of water is already in the calorimeter. Use the density of water at 25°C (0.998 g/mL) to determine the mass

78. ## Chemistry

Calculate the concentrations of each of the ions in 0.25 M Fe(NO3)2. a) [Fe2+], M b) [NO3-], M

79. ## Calculus

The graph of f(x)=x^3-3x^2-24x+1 is concave up when x1?

80. ## math

A uniform ladder of length 2a and mass m lies on a vertical plane with one end against a smooth vertical wall,the other end being supported on a horizontal floor. The ladder is released from rest when inclined at an angle Q to the horizontal. Find the

81. ## English

Why did the relationship between Anne and her mother become strained? In a few sentences, analyze how their relationship as a mother and daughter was changing. This is a question for "The Diary of a Young Girl" by Anne Frank, and the answer is supposedly

82. ## science207

. What is Brazil’s Cerrado, and how is agriculture affecting it?

83. ## physics

why inst velocity conserved in elastic an inelastic collisions? I know momentum is conserved but why isnt velocity?

84. ## geometry

Given the following sets, select the statement below that is NOT true. A = {b, l, a, z, e, r}, B = {b, a, l, e}, C = {a, b, l, e}, D = {l, a, b}, E = {a, b, l} (Points : 2) E ⊂ C C ⊆ B D ⊆ C B ⊆ C C ⊆ D

85. ## geography

How do the five themes of geography effect SLC and how does SLC fit into these themes?

86. ## english

you can help me in plural form

87. ## Calculus

The graph of f(x)=x^3-3x^2-24x+1 is concave up when?

88. ## consumer math

Maribel's city imposes a tax that is 40% of the state tax she pays. Her taxable income is \$198.50 per week. Her state imposes tax at a rate of 5%. How much state and local tax is withheld from her weekly pay?

89. ## calculus

If 8x + 24 − 6x = 2 − x + 15x − 10, what is the value of x?

90. ## English

Could you review this outline for a persuasive essay? Was it done correctly? Outline for negative impact of credit card companies marketing to students on campus Com 156 My introduction to the topic and my thesis statement. Introductory Paragraph: Even

91. ## English

Can you review this rough draft of an outline for a persuasive essay and provide any feedback? Thanks in advance! I. Introduction Even though some feel as though a student having a credit card can teach financial responsibility, a credit card company

92. ## math

If you make a glass in the shape of a right circular cone (martini glass) how wide would the glass be if it is 4 inches tall and again holds 12 ounces?

93. ## ENGLISH

Give one theme or message from “A Modest Proposal

94. ## chemistry

what is the balanced molecular, total ionic, and net ionic equations for HC2H3O2 + Mg(OH)2 ??

Will the government charge high or low prices for the products? What does the government control? The government will take a look at all the products, and they will charge the price regarding the quality of the product, if it's a high quality, rich

96. ## accounting

What kinds of problems could be created in a financial report is not reliable, relevant, consistent or comparable?

97. ## geography

How is culture affected by urbanization

98. ## Chemistry

Calculate the concentrations of each of the ions in 0.25 M Fe(NO3)2. a) [Fe2+], M b) [NO3-], M

99. ## math

How tall would a glass (in the shape of a right circular cylinder)with a diameter of 3 inches need to be to hold 12 ounces.

The purpose of an agenda is to: (Points: 5) a) select a meeting location. b) list items to be discussed by the group. c) control the discussion carried on by the participants. d) decide who will facilitate the meeting. is b correct or d....im not so sure

As baseball fans enter the stadium, a free ball is given to every 21st spectator and a cap is given to every 27th spectator. Which spectator would be the first to receive both a ball and a cap?

102. ## biology

what are the effects of tonicity in red blood cells?

103. ## math

use a number line to find the sum of the numbers. 1. 3 and 5 2. -6 and 3 i don't get this

104. ## physical science

A rock tied to a string is swung around in a circle with a radius of 10 ft. The centripetal acceleration is 16.9 ft/sec2. Calculate the speed of the rock.

105. ## math

hi can you predict the next sequences possible from the numbers 1-50 05 16 20 30 41

106. ## History-Civil War

1865-Marching through Georgia How did Sherman's march affect the Confederacy, and advance the cause of Union victory ?

107. ## composition and communication1

Can somebody please help me write 150 words on feedback from writpoint I"ve got this so far I think the feedback from writpoint was very helpful to me because it explains to me what i did wrong and how to fix my mistakes. It also tells where to put correct

108. ## math

simply the expression -4+2x+8 ??

109. ## Physics

Hi, I am in the middle of a physics lab about sound resonance, but I have no idea what "n" stands for in the equation we have to use, which is L=(2n-1)(wavelength)/4 any help? thanks!

110. ## math

If x=3 and y=-1 then what is 3x2+2xy-5= ?

111. ## math

how much would it cost to fence in a 5 acre lot (660ft long)if the fencing cost \$6.00 per linear foot?

112. ## us history

What happened in the civil rights movement during the 1970s?

113. ## statistics

There are 20 numbers, the highest is 91, the lowest is 34. The mean is 60 and the standard deviation is 5. What are the 20 numbers?

114. ## philosophy

In Some Moral Minima, Lenn Goodman argues that there are certain things that are simply wrong. Do you think Goodman is right? Using specific examples, explore the challenges Goodman presents to relativism. Determine whether you think there are such

115. ## math

How tall would a glass (in the shape of a right circular cylinder)with a diameter of 3 inches need to be to hold 12 ounces.

116. ## science207

. Describe the conditions that constitute a famine. Why does Amarty Sen say that famines are caused more by politics and economics than by natural disasters?

117. ## Health Care/Medical Coding

How are medical coding, physician, and payer feees related to the compliance process?

118. ## chemistry

how many atoms in 8.87g of silver

119. ## Geometry

How tall would a glass (in the shape of a right circular cylinder)with a diameter of 3 inches need to be to hold 12 ounces.

120. ## Calculus

The graph of f(x)=x^3-3x^2-24x+1 is concave up when x1?

121. ## us history

What did President Ford mean when he said "Our great republic is a government of laws and not men."

122. ## us history

A) What did President Ford do to try to ease turmoil in the United States? B) How did he try to ease tensions with other nations?

123. ## Geometry

How tall would a glass (in the shape of a right circular cylinder)with a diameter of 3 inches need to be to hold 12 ounces.

124. ## trig

y=7sin20degrees/5

125. ## Geometry

How tall would a glass (in the shape of a right circular cylinder)with a diameter of 3 inches need to be to hold 12 ounces. can anyone tell me the formula for this problem

126. ## chemistry

A beaker contains 199 mL of NaOH with a concentration of .100 mol/L. Calculate the number of moles of NaOH

127. ## ENGLISH

In the essay A Modest Proposal What recurring image do you find in the text? What impact does it have on you?)

128. ## Public health

What is community emergency preparedness?

129. ## education support

Discuss duty of care from the perspective of the teacher aide.

130. ## mod 4 child care management

Supervising your staff each day and scheduling regular staff meetings are part of the _______ management approach. A. negative feedback C. preventative B. goal-oriented D. educational

131. ## analizing short term loans

what is the maximum loan for which Texas Oil Supplies could qualify? If the rate is 8.5

132. ## short term financing

Determine the maximum loan for which Texas Oil Supplies could qualify

134. ## psy 202

what stage of development is this whenever levi cries, his parents seem to satisfy him by changis his diaper, feeding him, or holding him.

135. ## math

how can i solve this problem? find value of x and y x + y = 6 4xy = 35

136. ## Pre-calculus

x-2/x2-1 This equation is a function or not?

137. ## calculus

Dy/dx y=(2x+1)^4e^x

138. ## ross

Find dy/dx for y=e^x/x^2

139. ## math

one fluid ounce of liquid is approx. 1.73 cubic inches so how many cubic inches are there in 12 ounces.

Sales letters are effective selling tools for which of the following reasons? (Points: 5) a)Cost and selectivity b)Lack of adaptability c)Need to be produced more efficiently d)Cost of postage is A correct? can i get some help please i am not sure about

141. ## Pysics

425g/ 22/g cm * 20cm* 5cm help

142. ## mathe

find an even number having the same digits that is greather than 200 but less than 300

143. ## math

how much would i coust to fence in a 5 acre lot if the fencing cost \$6.00 per linear foot?

144. ## human services

I have to Research a current ethical issue that deals with a change in midstream of expectations or ground rules. Do you have any suggstions?

145. ## math

write 2x -1 (negative one) using only positive exponents??

146. ## science

displacement &timeare related by t=sqtx+3.find the time taken before the velocity is reduced to zero.?

147. ## science

How is potiential evaporation measured?

148. ## calculus

Dy/dx for y=x^2In(x^2)

149. ## early childhood education

which of the following statements is an example of a clear message to a child (a)cleanup time hurry up (b)stop that right now and get ready for a nap (c)what a rude thing to do (d)take your dirty dishes to the kitchen i put d

150. ## rapping>???

what does it mean when they say i came down with a chip on shoulder

151. ## prime factiozation

i am 25 years old and i need to the find the lcm of 15 years and 30 years

152. ## calculus

If |2x - 1 | > 3 , then which of the following could not be a value of x?

153. ## english

you can help me in plural form

154. ## poetry

What is performative aspect of a poem

155. ## math

16 divided by 2[8-3(4-2)] +1

156. ## calculus

Dy/dx of y=e^x/x^2

157. ## early childhood education

children are more likely to loose control when they're (a)boared (b)tired (c)listless (d)active i put a am i correct a child is more likely to develop a sense of independence if he or she is gaven (a)choices (b)discipline (c)time out (d)consistent care i

158. ## government

which colony was founded mainly as a place for personal and religous freedon?