# Questions Asked onMarch 17, 2010

1. ## physics

Two 72.0-kg hockey players skating at 7.00 m/s collide and stick together. If the angle between their initial directions was 130 degrees , what is their speed after the collision?

2. ## Calculus

HELP PLEASE Find the minimum distance from the point (4, 2) to the parabola y^2=8x

3. ## Chemistry

The density of an aqueous solution containing 10% of ethanol (C2H5OH) by mass is 0.984 g/ml. A) Calculate the molality of this solution. B) Calculate its molarity. C) What volume of the solution would contain 0.125 mol of ethanol.

4. ## math

The amount of gold jewelry and other products is measured in karats (K), where 24K represents pure gold. The mark 14K on a chain indicates that the ratio between the mass of the gold in the chain and the mass of the chain is . If a gold ring is marked 18K

5. ## College Chem

When a0.269g sample of a barium compound was treated with excess H2SO4, 0.0891g of BaSO4 formed. What is the percentage of Barium in the compound?

6. ## math

Bill got 52 correct answers on an 80-question test. What percent of the questions did he answer incorrectly?

7. ## personal finance

. Rita Smith owns 220 shares of Jefferson Carpet Mills.For the last calendar quarter,Jefferson Carpet Mills paid dividend of \$0.47 a share.What is the total amount Rita received in her dividend check for this quarter? a)\$0.47 b)\$47 c)\$94 d)\$103.40 IS A

8. ## PHYSICS

A 120-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 450 N. For the first 11 m the floor is frictionless, and for the next 11 m the coefficient of friction is 0.30. What is the final speed of the crate?

9. ## math

Two forces of 7 lb. and 14 lb. act on a body at right angles to each other. Find their resultant. Find the angle their resultant force makes with the force of 14 lb.

10. ## pre-calculus

A missile is fired at an angle of 75 from the horizontal. At one point, its speed was 900 mph. Find its horizontal velocity in miles per minute. (Round to the nearest hundredth.)

11. ## pre-calculus

A man who can row in still water at 3 mph heads directly across a river flowing at 7 mph. At what angle to the line on which he is heading does he drift downstream and at what speed does he drift downstream?

12. ## Calculus Optimization

An electric utility is required to run a cable from a transformer station on the shore of a lake to an island. The island is 6 km from the shore and the station is 12 km down the shoreline from a point opposite the island. It costs \$4000/km to run the

13. ## personal finance

Which of the following statements is correct? a)Stock is a form of debt capital b)Stock must be repaid at maturity c)Bonds are a form of debt capital d)Bonds do not have to be repaid at maturity IS C CORRECT ANSWER?THANK YOU:))))

14. ## statistics

Answer the question(s) based on the following situation: 150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with center ì = 65 and standard deviation ó = 10.The third quartile of the scores

15. ## College Chem

Impure sample of table salt that weighed 0.8421g, when dissolved in water and treated with excess AgNO3, formed 2.044g of AgCl. What is the percentage of NaCl in the impure sample? Do I need the molecular weight to start this equation? Where do I start?

16. ## Economics

Hello, I was considering to drop economics since i find it useless. My friends and my parents say its an easy subject and that if i drop it i will have one less subject which looks bad on my permanent reconrd. i find it very hard to concentrate in

17. ## math

Two forces of 7 lb. and 14 lb. act on a body at right angles to each other. Find their resultant. Find the angle their resultant force makes with the force of 14 lb.

18. ## APChem

"The osmotic pressure of a saturated solution of strontium sulfate at 25C is 21 torr. What is the solubility product of this salt at 25C (Hint: calculate molarity from the colligative properties eqn of osmotic pressure and use it in the equilibrium

19. ## physics

1.A hot air balloon is rising upwards at a constant velocity of 5m.s when the balloon is 100m above the ground, a sandbag is dropped from it. 1.1 what is the magnitude of the acceleration of:a)The hot-air balloon while the sandbag is in it.b)The sandbag

20. ## physics

A car is designed to get its energy from a rotating flywheel with a radius of 1.50 m and a mass of 600 kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up to 4000 rev/min. (a) Find the kinetic

21. ## Physics Rotaional Kinetic Energy

A car is designed to get its energy from a rotating flywheel with a radius of 1.50 m and a mass of 600 kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up to 4000 rev/min. (a) Find the kinetic

22. ## Classroom management techniques

3. What does the word “with-it-ness” mean? A. Providing activities that challenge students. B. Doing two things at the same time. C. Knowing what’s going on in all parts of the classroom. D. Providing smooth transitions between lessons.

23. ## MATH

Two extension ladders are leaning at the same angle against a verticl wall. The 3-m ladder reaches 2.4m up the wall. How much farther up the wall does the 8-m ladder reach?

24. ## math

Find the missing angle 45 degree and 106 degree

25. ## math

A taxi company charges riders a fixed charge of \$2.50 plus \$1.50 per mile. How many miles must a rider go to have an average cost per mile of \$2.00?

26. ## Math

The sides of a triangle have the equations y=-1/2x+1, y=2x-4, and y=-3x-9. Verify that the triangle is an isosceles right triangle. Algebraic solutions only!

27. ## physics

You are holding a shopping basket at the grocery store with two 0.69-kg cartons of cereal at the left end of the basket. The basket is 0.90 m long. Where should you place a 1.8-kg half gallon of milk, relative to the left end of the basket, so that the

29. ## chemistry

prism has total surface area of 360 m2 and volume of 60 m3. If the length, width, and height are reduced to half their original sizes, what will be the following?

30. ## statistics

In a population of exam scores, a score of X = 48 corresponds to z = +1.00 and a score of X = 36 corresponds to z = -0.50. Find the mean and standard deviation of the population.

31. ## math

|111| evaluate

32. ## Ap Chemistry

How can NH3 be a ligand but NH4+ is not a ligand??

33. ## Relgion

The world St. Paul lived;St. Paul’s conversion. How did each influence his understanding of his mission and ministry? ·

34. ## algebra

Bayside Insurance offers two health plans. Under plan A ,Giselle would have to pay the first \$190 of her medical bills,plus 30% of the rest.Under plan B ,Giselle would pay the first \$220, but only 20% of the rest. For what amount of medical bills will plan

35. ## Biology

How does an increased carbon dioxide concentration in the blood affect expiration and inspiration?

36. ## Organic Chemistry 1

Write an equation for the reaction of sodium bicarbonate with aqueous sulfuric acid to produce carbon dioxide.

37. ## Calculus

derivative of cot(6/x)

38. ## Math

use the sum and difference identities to find the cosine angle cos pi/9 cos pi/3 - sin pi/9 sin pi/3 I do not know how to solve this because pi/9 is not on the unit circle.

39. ## math

what magic trick does Mr. Utterbunk perform every evening?

40. ## Chemistry

A sample of benzene, C6H6, weighing 3.51 g was burned in an excess of oxygen in a bomb calorimeter. The temperature of the calorimeter rose from 25.00 C to 37.18 C. If the heat capacity of the calorimeter is 12.05 kJ/K, what is the molar energy of

2) Use the sum and difference identites sin[x + pi/4] + sin[x-pi/4] = -1 sinx cospi/4 + cosxsin pi/4 + sinx cos pi/4 - cosx sin pi/4 = -1 2 sin x cos pi/4 =-1 cos pi/4 = sqr2/2 2sin^x(sqrt2/2) = -1 sin x = -sqrt2 x = 7pi/4 and 5pi/4 Am I correct?

42. ## college calculus 1

Find the local and absolute extreme values of the function on the given interval. f(x)=x^3-6x^2+9x+1, [2,4]?

43. ## English

In Langston Hughes poem "Theme for English B," in the lines 16-26 it says: It's not easy to know what is true for you or me at twenty-two, my age. But I guess I'm what I feel and see and hear, Harlem, I hear you: hear you, hear me--we two--you, me, talk on

44. ## personal finance

if you wanted to save \$ 50,000 to have it available in 20years provided the investment would return an APR of 12% compounded monthly. a. how much would you need to have at the beggining (lump sum) in order to achieve the mark of \$50,000. b. how much would

45. ## spanish

what does mi pies grande son mis zappotas mean

46. ## English

Before I start posting questions, I'd like to ask, has anyone read the script -Joker in the Pack. It is a short play about Mitch--the main character. Even if you have not read this script is it okay if I still post the questions about it. I'll answer them

47. ## math

what is 2 percent added to \$13.15

48. ## personal finance

in this problem: if you wanted to put aside \$2,000 a year for 10 years ginven a 10% rate of return (compounded monthly) Here, is it the 10 % every month, or the 10% is divided by 12 months of the year and then every month the % is 0.83%?

49. ## math

. A Boeing 747 jet is approximately 230 ft long and has a wingspan of 195 ft. If a scale model of the plane is about 40 cm long, what is the model’s wingspan?

50. ## chemistry

A student performed the synthesis of aspirin using a water bath at 90C instead of 50C. The final product was tested for the presence of phenols with ferric chloride. This test was negative (no color observed); however, the melting point of the dry product

51. ## math

find the missing length of the right triangle 17 and 15

52. ## MATH

Sam built a ramp to a loading dock. The ramp has a vertical support 2 m from the base of the loading dock and 3m from the base of the ramp. If the vertical support is 1.2 m in height, what is the height of the loading dock? Can someone please show me how

53. ## math

Bill got 52 correct answers on an 80-question test. What percent of the questions did he answer incorrectly?

54. ## Math

Divide as indicated. (-2x5 - x3 + 4x2 + 58x - 20) ÷ (x2 - 5)

55. ## Math

Use synthetic division to divide. (4x3 + 26x2 + 10x - 12) ÷ (x + 6)

56. ## math

what is the area of the circumscribed square about a circle having a 12pie perimeter?

57. ## human resources

describe personal values and ethics.

58. ## algebra

s=c(A=B)find c

59. ## physics

A 22cm diameter bowling ball has a terminal speed of 77 m/s. What is the balls mass. I need to get the answer in kg. I can`t figure this one out for some reason. Thanks!!

60. ## Space Exploration

tell what the concept of a habitable zone around a star is. how would I answer this question? The habitable zone is the region around a star where liquid water can exist on planetary surfaces.

61. ## computer

Can you explain step by step how data is processed in the computer

62. ## medical records

Mrs. Fleet has informed you that Gulf View Associates and Sarasota Outpatient Clinic are considering the possibility of upgrading to electronic medical records

63. ## algebra

A person is 3 times as old as aonther person but in 15 years she will only be 2 times as old. I found the answer the younger person is 15 years old and the older person is 45 years old. But 15 years from now the younger person will be 30 years old and the

64. ## algebra

If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?

65. ## personal finance

Juan has received \$50,000 in a divorce settlement and is trying to decide how to invest it.He has looked at stocks but knows that some stocks have lost a lot of value for their owners recently.What aspect of investing is he most concerned about? a)risk

66. ## literature

during what part of bernice bobs her hair does bernice cut Marjories braids

67. ## math

find the slope of the line that is perpendicular to the line whose equation is 5x-7y=12

68. ## algebra

m=116 a=500 t=6000 h=45 what is the product of h and m?

69. ## math

A car company is offering car loans at a simple interest rate of 4.7%. Find the interest charged to a customer who finances a car loan of \$7200 for 3 yr.

70. ## English

I have wrote a brief summary about the script I am referring to, so if you have time, please do read it, thanks. Can I still post my questions, maybe not all of them. I am going to go through them, and the ones I need help on, I'll post, thanks

71. ## math

. A real-estate broker receives 4% of an \$80,000 sale. How much does the broker receive?

72. ## Chemistry

Using Heisenberg's Principle, calculate for the following positions. a) a 1.54-mg mosquito moving at a speed of 1.82 m/s if the speed is known to within ± 0.01 m/s b) a proton moving at a speed of (4.67 ± 0.02) 104 m/s When I solved (a) I got 1.88e-30

73. ## Math

Simplify Leave answer in qt. and pt. format. 9 qt 9 pt

74. ## Com 220

Hi, I am writing a sentence outline on the subject of World War II; more precisely, the events that led to the war. I am somewhat confused on how to do this on the parts that I need to state and support the argument as well as prepare against any rebuttals

(a)How much work is done by the field in moving the electron through a distance of 7 cm? J (b) Through what potential difference will it have passed after moving through this distance? V (c) How fast will the electron be moving after it has traveled this

77. ## personal finance

Brenda has received a \$10,000 gift from her mother and is trying to decide how to invest it.She thinks she would like to invest it in stocks because she knows that stocks have been earning about 10%rate of interest over the last several years.What aspect

78. ## math

a worker in a city parks need to cover a circular path around the outside of a flower garden with gravel. the radius of the garden is 15 feet and the path surrounding the garden is 6 feet wide. how many square feet need to be covered with gravel? expalin

79. ## math

how do I do this? 28 students collected 12,374 soda can tabs. If some of the students collected one more tab than the rest of the students, how many collected 441 and how many collected 442?

80. ## Math (FST Exponential & Logarithm)

What is the range of y= -(2)^(x-3)

81. ## Space Exploration

ou tline the conditions for liquid water to exisit on a planet. -the planet needs to have a right temperature -protective atmosphere -habitable zone are these the only reasons?

82. ## health

„Ï Discuss how participation contracts represent financial opportunities for providers. What are positive and negative ramifications of discounted fee-for-service arrangements? Explain your answers in 200 to 300 words.

83. ## Laws

How have the historical laws of the code of Hammarubi, Draco's Law, Law of the Twelve Tables, Justinian Code, Magna Carta, and the Statue of Westminster led to the development of security forces, both private and public? Why do you think the need for both

Past perfect or present perfect. A reporter has interviewed him several times.

85. ## math

divide -12/0

Past perfect or present perfect. Raj has told the reporter about his new ideas.

87. ## physics

Good job "Drwls", your answer to my bowling ball question worked. Way to go!

Present perfect or past perfect. The two have worked together to write a book.

89. ## English

is the following sentence biased? Our new district attorney, a Cuban American, is making a speech on Saturday.

90. ## Algebra

Is the graph of a parabola a function? I say that it is a function.

91. ## ap chemistry

can you help: "Explain why there are no geometric isomers of tetrahedral complexes. thank you

92. ## algebra

-5x + 5y=25 -10x+5y=10 Graph the linear equation by writing both equations in the slope intercept form... I'm really struggling with this questions.. i have to fill in y=___x+_____ y=____x+_____

93. ## GSU

Explain why an economy's output, in esence, is also its income.

94. ## law

What statute did Congress pass two years after the Miranda ruling

95. ## math

there are two 1's,two 2's,and two 3's.There is one digit between the two 1's, there are two digits between the two 2's, and there are three digits between the two 3's. Holding number cards,can you duplicate this sequence of numbers?

Present perfect, past perfect or future perfect. This month, we have learned about the great sphinx.

97. ## Biology Research Paper

'We are currently in an energy crisis. After food, fossil fuels are humanity's most important source of energy. These resources take millions of years to make. We are currently using the fuels that were made more than 300 million years ago, before the time

The sixth grade class *had wrote* several papers about the great sphinx. How should the words in the asterisks be written? A. had written b. has wrote c. correct as is

99. ## Science

what is the electron arrangement for boron? and how do you find the valence electron for it? i know it has 3 v.e. but how do you find it

Belinda invested a portion of her savings, indicating that the type of investment she made was a loan to a well-known corporation that generates regular fixed interest payments. What did Belinda invest in? I think it's a bond. Am I correct?

101. ## statistics

Are there situations in business where sampling would not be effective? --------------------------------------------------------------------------------

102. ## math 12

How do I find the asymptotes of (y-2)^2 - x^2/4 =1 The center is (0,2)

103. ## Chemistry

A chemist heated a sample of steel wool in a burner flame exposed to oxygen in the air. He also heated a sample of steel wool in a container of nearly 100% oxygen. The steel wool sample in the container reacted faster than the other sample explain why

104. ## Math

Express each statement using an inequality involving absolute value.Do not solve. 1.The majority of grades in Sean's English class are within 4 points of 85. 2.AA thermometer is guaranteed to give a temperature no more than 1.2F from the actual

105. ## chemistry

URGENT: If 2.24g of salicylic acid is reacted with 61mL methanol, what is the maximum mass of product that could be formed? The density of methanol is 0.791g/mL. Do I just multiply 61ml by 0.791g/ml to get 48.251 g methanol then multiply this by the 2.24g

106. ## biology

the structure of the forelimb of a bird is similar in structure to that of the forelimb of a mammal suggesting that both desceded from a common ancestor this similarity is an example of a. vestigial b. biochemicial c. anatomical evidence that supports the

i have two businesses,a chicken wing place and an antique shoppe.what is the format of describing both in one paragraph?

108. ## Trig

evaluate exactly(without calculator): 1. sec(pi/4) 2.3sin4pi 3. tan240(degrees)

109. ## spanish

-que vas a hacer manana? -voy a esquiar. Y tu? a. me gusta esquiar tambien b. vas a mirar la televisor c. voy a correr 5 kilometros

110. ## Biology

37. Wings, fins, and arms are limb adaptations that allow mammals to a. live in different environments b. attain diverse sizes c. nurse their young d. communicate with other mammals 38. Which characteristic is NOT widely adapted to allow mammals to live in

111. ## Economics

Engineers at a national research laboratory built a prototype automobile that could be driven 180 miles on a single gallon of unleaded gasoline. They estimated that in mass production the car would cost \$40,000 per unit to build. The engineers argued that

112. ## Micoud secondary

determine the number of electrons required to deposit 6.4g of copper from an aqueous solution of copper II sulphate

113. ## Economics

The Largo Publishing House uses 400 printers and 200 printing presses to produce books. A printer's wage rate is \$20, and the price of a printing press is \$5000. The last printer added 20 books to total output, while the last press added 1000 books to

114. ## Science

Trying to complete a word search. What is a 6-letter word for "State of water that is most common on Earth's surface"

115. ## Penn Foster

X-rays or are diagnostic tools used to visualize internal organs

116. ## samuel

how would i do this quadratic word problem A local daycare centre charges \$65 per day to care for a child. The daycare currently cares for 150 children per day. A survey shows that the enrollment in the daycare will increase by 10 children for each \$5

117. ## bio

what is the adaptive value of having the organ of gas exchange - in this case, the alveolus - inside the body?

118. ## college

Solve the inequality using a sign graph (test point method) x^3-x^2-4x+4

119. ## chemistry

How could you recover sucrose or sodium chloride once it has dissolved in water?

120. ## english

waht does the idom catch a cold mean

122. ## math 30

Describe how the graph of y=f(-2x+6)+7 can be obtained from the graph y=f(x)

123. ## college microeconomics

An article in the journal of New York State Economics Association claims that the income elasticity of demand for public college education in New York is +1.67. Who would find this information useful and why? come up with 3 interested parties

124. ## World History

Both Stalin in the Soviet Union and Hitler in Germany instituted ruthless campaigns against supposed enemies of the state. Why do you think dictators need to find scapegoats for their nation's ills?

125. ## math

how would i do this quadratic word problem A local daycare centre charges \$65 per day to care for a child. The daycare currently cares for 150 children per day. A survey shows that the enrollment in the daycare will increase by 10 children for each \$5

126. ## math

A parabola with a vertex at (–1, –2) passes through the point (1,6). Using this information, what are the x-intercepts of this parabola? A) (1 – , 0) and (1 + , 0) B) (2, 0) C) (0, 0) and (–2, 0) D) (0, 0) how would i figure this out?

127. ## chemistry

A sample of NH4HS (s) is placed into a 2.65 L flask, containing 0.140 mols of NH3 (g). NH4++++>>nh3 (g) + h2s (g) KP = 0.108 wHAT will be the total gas pressure at 25 degrees in atm. I got about 1.361...i don't kno what im doing wrong. im multiplying the

128. ## math.

Suppose h(x) = 3x and k(x) = log3(x). What is k(h(x))? What about h(k(x))? Start with a few numbers to convince yourself. Explain completely why this is true.

129. ## chemistry

1.30 mol each of CO} and Cl2 are introduced into an evacuated 1.80 L flask, and the following equilibrium is established at 668 K. CO + Cl2 +++> COCl2 kp = 22.5 Calculate partial pressure of COCl2. i get about 30.9. but its wrong. i solved for x,

130. ## Social Studies

northwest florida indian tribe

131. ## Calculus

A steamship sails upriver from A to B against a current of three km/h. If the amount of fuel consumed per hour varies as the cube of the speed through the water, how fast should the captain order the ship to steam, if the fuel consumption for the journey

You are playing a card game with a full deck of 52 cards. You win if you draw a red card that is a multiple of 5. What are your chances of winning on your first draw?

133. ## Chemistry

What is a reasonable discussion of the method for the preparation of a sample of lead iodide and hygrated copper sulphate?

134. ## trig

I got the following question marked wrong and I was wondering if someone could tell me why I got it wrong. The question is of the 6 trigonometric ratios, if only cosine and secant are positive, the angle is in which quadrant? I said it was in the 4th

135. ## physics

a 10kg block is allowed to slide down a ramp with Mk=0.15. what is the acceleration of the block?

137. ## trig

How do I dertermine the measure of theta for the equation 4cos theta - sqrt 12 = 0. My answer was 2pi/3,4pi/3 I'm told it's wrong could you please show me how to do this type of question

138. ## 4th grade social studies

what does Neutral mean?

139. ## physics

Two air-track carts move toward one another on an air track. Cart 1 has a mass of 0.34 kg and a speed of 1.1 m/s . Cart 2 has a mass of 0.68 kg and a speed of 0.55 m/s .

140. ## Biology Research Paper

This is my essay on fossil fuels. Can This is my essay on fossil fuels. Can someone please check to see if there are any improvements that can be made? Also, I need help writing a conclusion. Have you ever thought about where your electricity comes from?

141. ## physics (fixed)

Two air-track carts move toward one another on an air track. Cart 1 has a mass of 0.34 kg and a speed of 1.1 m/s . Cart 2 has a mass of 0.68 kg and a speed of 0.55 m/s. Calculate the system's kinetic energy.

142. ## Geometry

The slope of line m is -1\5. what is the slope of a line perpendicular to m?

143. ## us history

"the supreme court ruled that juveniles must receive the same due process rights as an adult,such as the right to an attorney.The only right not guaranteed is the right to trial by jury". Is this following the 14 amendment?

What do you call bones joined together with cartilage?

145. ## science

Silver bromide a pale yellow precipitate is more soluble than silver iodide. What would happen if NaBr had been added to the solution

146. ## geometry

In the tests of a new pharmaceutical product, data were collected for use in the approval process required by the U.S. Food and Drug Administration (FDA). Some participants were given a placebo, an inert substance that looks like the drug; others were

147. ## Organic Chemistry 1

write a step-by-step mechanism for the reaction of 1-butanol with sodium bromide and sulfuric acid.

148. ## math (help!!!!)

one canned jucie drink is 15% orange jucie; another is 10% orange jucie. How many liters of each should be mixed together in order to get 5L that is 11% orange jucie? How many liter of the 15% orange jucie and how many liters of the 10% orange jucie should

149. ## APChem

"Part A: Most of the transition metals form brightly colored ionic substances. Which elements located in the first row transition metals cannot form ionic compounds? Explain. Part B: Explain why representative metals do not form colored compounds." I am

150. ## Calculus

derivative of (4Cos^2(3x)+3)^2

151. ## Calculus

2nd derivative of 3t^2 Cos(4t)

152. ## math

solving this equation...0.9x + 9 ¡Ü 1.3x-6

153. ## Calculus

Derivative of (Sec(z))^2

the radius is 6.what is the area and circumference?

155. ## Economics

The Keynesian Multiplier under lump sum taxes A. Smaller than that under proportional tax B. Equal to that under proportional tax C. Larger than that under proportional tax D. Can be larger or smaller depending upon the size of the tax Choose the right

156. ## math

what goes first second and third one nineth five sixth or seven eighth

157. ## Chemistry

What i meant was I have already had the method in preparing the insoluble salt Pb(NO3)2 and KI and the soluble salt Sulphuric acid and copper oxide. What I need is the discussion of the method use or the procedure that you may have for this preparation the

158. ## Geometry

The line L1 has the equation y=3x. The line L2 is perpendicular to L1 and passes through the point P(0,0). Write an equation of L2

159. ## math

Evaluate: sec4ð/3

160. ## financing

what is the value of a \$50,000 10 year annuity given a 20% rate of return today?

161. ## math

Solve: csc x = 2, 0¡Üx

162. ## math

x^2-49 Can you help explain why this example is a diffence of two squares

163. ## Chemistry

Write a balanced equation for each reaction Al + Cl2 -->

164. ## metro

Calculate the pH of the buffer solution that results when 10 mL of 0.10 M NaH2PO4 is added to 3 mL of 0.05 M NaOH.

165. ## Global History

what was Adolf Hitler's goal during the National Socialist movement?

166. ## Global History

Why were Western democracies willing to give into Hitler's aggressive actions?

168. ## Geometry

Lines J and N are perpendicular. The slope of line J is 5. What is the slope of line N?

169. ## Poly Sci

What are 5 examples how the courts have used the Commerce Clause to increase the power of the Federal Government over the states.

170. ## social studies

The most useful indicator of the degree of democracy reached by a particular society is whether it has a:

171. ## math 12

While training for a race, a runner increases her distance by 10% each day. If she runs 2km on the first day, what will her total distance for 26 days of training?

172. ## Chemistry

I'm working on homework and the computer won't accept my answer. Calculate the energy of photons with wavelenth 0.174 nm. I used the equation E=hv and got the answer to be 1.14 X 10^-17. It says i'm off by a multiple of ten. I have no idea where I messed

173. ## maths

The mean of 10 observations is 21. If each score is divided by 3, find the new mean.

174. ## Statistics

Choose the right answer, and provide the reasons and calculations. A palmist claims that he can accurately predict the age at death (y) of an individual from the length (centimeters) of age line (x) on the right hand of the individual. A random sample of

175. ## Biology

Need help with these 2-- 37. Wings, fins, and arms are limb adaptations that allow mammals to a. live in different environments b. attain diverse sizes c. nurse their young d. communicate with other mammals 38. Which characteristic is NOT widely adapted to

176. ## Statistics

Choose the right answer, and provide the reasons and calculations. A palmist claims that he can accurately predict the age at death (y) of an individual from the length (centimeters) of age line (x) on the right hand of the individual. A random sample of

177. ## Statistics

Choose the right answers, and provide reasons and calculation To study the effect of change in price of a DVD (\$) on the total profit (000, dollars), the analyst of an electronic firm randomly selected 13 retail sales stores. She used the data on total

178. ## Global History

Last question i promise. Describe Hitler's blitzkrieg tactics.

179. ## Science

A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. What is the horizontal velocity component of the ball to the nearest tenth of a m/s?

180. ## English

1. She is good at dancing. 2. She is good at dance. (Which one is correct? Are both correct?) 3. I am a student at Class 1-1. 4. I am a student in Class1-1. 5. I am in Class 1-1. 6. I am a first year student in Class 1-1. 7. I am a first grader of Class

181. ## English

Is there any quote on Daisy expressing her being self obbsesiven in the great gatsby? If yes please state it below i cant find any in the book

182. ## math

Melissa baked 8 trays of 5 cookies each. She sold 3 plates of cookies. Which expression correctly represents how many cookies she sold? Circle the best answer.Here are the answer to choose, i don't know how to get the answer? A.(8-3)*12 B.3*12 C.8*12

183. ## Math (FST Exponential & Logarithm)

What is the amount and type of the growth factor of the model: y=3(1.04)^x Determine the equation for the asymptote: y=2+ log(x-3) For the second question, I don't even have an idea what is to be determined.

184. ## HONORS CHEMISTRY

A synthesis of nitrogen dioxide from nitrogen and oxygen. There are 5.000 mol of N2 and 8.000 mol of O2 mixed in a 5.000-L flask. What is the equilibrium constant for the synthesis?

185. ## physics

What net force would actually be necessary to stop an automobile of mass 880 traveling initially at a speed of 52.0 in a distance equal to the diameter of a dime, which is 1.8 ?

186. ## Math (FST Exponential & Logarithm)

Find the exponential model using y=a(b)^x with (9, 120) & (12, 216) (round to 4 decimal places- show work)

187. ## English

1. Talk with your partner using frequency adverbs. You should think of your favorite sport and work in pairs, and practice the dialogue. There are some blanks in the senences, so you should fill them out remembering the dialogue we practiced before. Are

188. ## Global History

Hitler translated his hatred into a program of genocide. How do ethnic, racial, and religious hatreds weaken society? is the answer because people believe race can create conflicts towards different gropus of race

189. ## chemistry

A sample of NH4HS (s) is placed into a 2.65 L flask, containing 0.140 mols of NH3 (g). NH4++++>>nh3 (g) + h2s (g) KP = 0.108 wHAT will be the total gas pressure at 25 degrees in atm. I got about 1.361...i don't kno what im doing wrong. im multiplying the

190. ## chemistry

1.30 mol each of CO} and Cl2 are introduced into an evacuated 1.80 L flask, and the following equilibrium is established at 668 K. CO + Cl2 +++> COCl2 kp = 22.5 Calculate partial pressure of COCl2. i get about 30.9. but its wrong. i solved for x,

191. ## Economics

If investment is dependent on income in addition to interest rate (assuming C and G have usual forms) then the Keynesian multiplier will A. Not Exist B. Equal to as compared to the case where investment is not dependent on Y C. Smaller as compared to the

192. ## English

Language Analysis Please help me find persuasive techniques/statements in the following article.. I've never done this before, and I've "stewed" over the subject for the last couple of days, but I'm absolutely incensed that the Victorian Government will be

194. ## English

Is there any quote in the great gatsby which expresses daisy's self obbsession and her self pride? Please help me, i tried looking the book but couldent find it

195. ## decimals

write decimal for 47.5%

196. ## Chemistry

Why can lead sulphate not be made in the same was as copper (11) sulphate

197. ## ALGEBRA

What happens if you are checking a solution for the rational expression and find that it makes one of the denominators in the expression equal to zero?

198. ## Math

Francesca has 16/7 ft of string for her kite. Jason has 2 3/4 ft of string for his kite. Katie has more string than either Francesca or Jason. How much string could Katie Have?

199. ## ALGEBRA

Rearrange the following equation to solve for “x”: y = sqrt(x) / z How do I even begin???

200. ## organic chemistry

1. why is phosphoric acid needed in the synthesis of aspirin? 2.what would happen if the phosphoric acid is left out?

201. ## math

tian's daughter will be 5/6 of a year old next week.how many months old will she be

What are the stresses of the words dozen, voyage, forbid, native, language, destroy, notice, distance, carrot, knowledge, captive, spinach, solid, justice, ashamed, program, message, respond, service, and relative??? I suck at these.........I always try