# Questions Asked onMay 5, 2014

1. ## English

Which of the following is used for titles of subdivisions of published works, such as chapters of a book? A. Quotation marks B. Underline C. Italics D. Bolded text D

2. ## English

Use a __________ after an independent clause that introduces a clause, a phrase, or even a single word that explains the original clause. A. comma B. colon C. semicolon D. dash

3. ## English

Which of the following is NOT considered to be a short introductory expression? A. Okay B. Yes C. Oh D. Well A

4. ## ALGEBRA

Multiply: (K+3)/(4K-2)*(12K^2 + 2k – 4) • 3(k+3)/(3k+2) • 3(k+3)(2k-1)/2 • (x-5)(3x+2) • (x-5)(12x+8) How? 11

5. ## English

Identify the sentence that is correctly punctuated. A. Clara did not study very much for her biology test, therefore, she guessed at many of the answers. B. Clara did not study very much for her biology test; therefore she guessed at many of the answers.

6. ## Chemistry

Calculate the enthalpy change for the reactions NO(g) + O(g) → NO2(g) from the following data: NO(g) + O3(g) → NO2(g) + O2(g) ΔH = -198.9 kJ O3(g) → 1.5O2(g) ΔH = -142.3 kJ O2(g) → 2O(g) ΔH = 495.0 kJ Put the answer in kJ.

7. ## English

The semicolon separates: A. divisions of time. B. titles and subtitles. C. long or formal quotations. D. equal and balanced sentence elements. D

8. ## English

Which of the following means expressing someone else's exact words? A. Direct quotation B. Paraphrasing C. Plagiarizing D. Indirect quotation B

9. ## English

Identify the sentence that is correctly punctuated. A. When the police recover the lost merchandise—a diamond bracelet, they will notify you. B. When the police recover the lost merchandise (a diamond bracelet), they will notify you. C. When the police

10. ## English

The appropriate mark to introduce a bulleted list is a: A. colon. B. semicolon. C. period. D. No punctuation A

11. ## English

Never divide: A. the last word on a page. B. a word less than two syllables. C. a contraction. D. All of the above D

12. ## English

Choose the correct use of apostrophes in the next sentence. Marcs ambition is to buy his uncles 1947 Dodge and restore it to its original condition. A. No apostrophes needed B. Apostrophes in “Marcs” and “uncles” C. Apostrophes in “Marcs” and

13. ## English

Identify the sentence that is punctuated correctly. A. The operating costs, as he probably told you, are too high. B. The operating costs, as he probably told you are too high. C. The operating costs as he probably told you, are too high. D. The operating

14. ## English

The mens clothing shop also does alterations, so Robin brings her dresses and skirts there to be hemmed. A. No apostrophes needed B. Apostrophe in “mens” C. Apostrophes in “mens” and “alterations” D. Apostrophes in “alterations” B

15. ## English

My father was a hard working man but didn't earn much money. A. Correctly punctuated B. Add a comma after hard C. Close up hard working D. Add a hyphen after hard A

16. ## Chemistry

Given the thermochemical equation 2SO2 + O2 → 2SO3, ΔH°rxn = -198 kJ/mol, what is the standard enthalpy change for the decomposition of one mole of SO3?

17. ## English

Identify the correct sentence. A. Wilma does'nt have too much trouble distinguishing between "their, there, and theyre." B. Wilma doesn't have too much trouble distinguishing between their, there, and they're. C. Wilma doesn't have too much trouble

18. ## English

Whereas a semicolon separates, a colon usually: A. is a mark of introduction. B. denotes items in series. C. follows a transitional expression. D. concludes a sentence. B

19. ## English

Identify the correct sentence. A. The River in Hackensack, New Jersey overflowed during Hurricane Sandy. B. The river in Hackensack, NJ overflowed during hurricane sandy. C. The river in Hackensack New Jersey, overflowed during Hurricane Sandy. D. The

20. ## English

The main use of brackets in writing is to: A. mark an interruption in a quotation. B. note an error in a quotation. C. indicate an omission from a quotation. D. indicate an alteration in a quotation. D

21. ## Algebra

Simplify. x/(7x+x^2) • 1/(7+x); where x ≠-7 • 1/(7x); where x≠0 • 1/(7+x); where x≠0,-7 • 1/7 How?

22. ## chemistry: please check work

How many grams of solute are contained in 64.3 mL of 0.0238M KOH? Do I convert 64.3ml to L=.0643L Multiiply .0643L and .0238M KOH=.00153 Multiply .00153 and 56.105 g/mol KOH=.0858g KOH

23. ## English

Identify the correct sentence. A. The high school is located at 15385 Sheridan St., Pembroke Pines, FL. B. The high school is located at 15385 Sheridan Street, Pembroke Pines, Florida. C. The High School is located at 15385 Sheridan Street, Pembroke Pines,

24. ## English

When addresses appear within the text of a document,: A. always abbreviate the street, city, and state. B. it is optional to abbreviate the parts of the address. C. spell out the parts of the address. D. always abbreviate the street and city and spell out

25. ## English

Identify the sentence that is punctuated correctly. A. Boston, Massachusetts played an important role in American history and politics. B. Boston, Massachusetts played an important role, in American history and politics. C. Boston, Massachusetts, played an

26. ## English

Identify the sentence that is punctuated correctly. A. These products may not seem as exciting as they did in the past but maybe that's the time to do a little buying. B. Prior to Webster's complete two-volume edition he had compiled three shorter and

27. ## Chemistry

The heat of solution of ammonium chloride is 15.2 kJ/mol. If a 6.187 g sample of NH4Cl is added to 65.0 mL of water in a calorimeter at 26.5°C, what is the minimum temperature reached by the solution? [specific heat of water = 4.18 J/g°C; heat capacity

28. ## English

Identify the sentence that is punctuated correctly. A. He whispered, "I love you," and then fainted. B. "Your idea is excellent" said Matt, "but I'm not sure we have the budget to implement it." C. "I don't believe it!" exclaimed, Mr. Ripley. D. She

29. ## English

To indicate a word is slang or informal usage,: A. enclose it in quotation marks. B. explain it in parentheses. C. underline it. D. None of these; do not use slang or informal terms. A

30. ## English

Identify the correct sentence. A. Somethings are better left unsaid. B. Some-things are better left un-said. C. Some things are better left un-said. D. Some things are better left unsaid. D

31. ## English

The only acceptable way to divide words at the end of a line is: A. to let the computer decide. B. before the last three letters. C. between syllables. D. after the first three letters. C

32. ## English

Identify the sentence that is punctuated correctly. A. The cost and size of computers decreased, as rapidly as processing power increased. B. An operating system is the set of instructions, that directs the overall operations of the computer. C. While

33. ## math?

how do i figuire this problem out? .. A deep-sea diver must descend and ascend in short steps to equalize pressure on his body. If the diver rises toward the surface too fast, he may suffer from a physical condition called “the bends.” Suppose the

34. ## English

Identify the sentence that is punctuated correctly. A. Generally speaking, principals are responsible for the acts of their agents. B. Generally, speaking principals are responsible for the acts of their agents. C. Generally speaking, principals are

35. ## math

As compared to its first year of operation, ABC Company grew 8% in the second year and an additional 2% per year for the next two years. If total growth for years 2-4 was $45,000 over the first year’s sales of$150,000, how much did ABC Company grow in

48. ## Math

Of the 103 people enrolled in mathematics class, 91% are present. How many are present?

49. ## Math

Jane walks one mile from her house to her grandparents’ house. Then she returns home, walking with her grandfather. Her return rate is 70% of her normal walking rate. Let r represent her normal walking rate. a. Write an expression for the amount of time

50. ## biology

Which candy required more base per gram of candy sweet tarts or smarties

51. ## Chem

The following results were obtained when a sample of pineapple juice was analyzed to determine its vitamin C content. A 19.8 mL sample of pineapple juice was placed in a flask with 20 ml of 0.5 M H2SO4, 1.0 g of potassium iodide, KI, and 25.00 mL of

52. ## Science

Explain the energy transformations during skydiving? please note: that I need to EXPLAIN!!! Thank you very much in advance...your help is very much appreciated!! x

53. ## Chemistry

The fluoride ion concentration in a saturated solution of magnesium fluoride, MgF2, is 2.3 10-3 M. Calculate the value for the equilibrium constant.

54. ## physics

Does increasing the force affect the amount of work done climbing the stairs? Does increasing the distance affect the amount of work done climbing the stairs? How would you describe the mathematical relationship between these two parameters

55. ## Physics

The angular velocity of a process control motor is (21−12t2) rad/s, where t is in seconds. A)At what time does the motor reverse direction? I got 6.5s B) Through what angle does the motor turn between t =0 s and the instant at which it reverses

56. ## math graphs

4. Which equation would you use to find out if the two lines in the graph are parallel? (1 point) LINE #1: point a: 1, 4 point b: -2, 1 LINE #2: point c: 3, 3 point d: -1, -1 a. 4 - 1/-2 - 1 = 3 - 1/3 - 1 b. 4 - 1/-2 - 1 = 3 - (-1)/3 - (-1) c. 4 - 1/1 -

57. ## Chemistry

A 495-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 18.1g CO2. What was the concentration of the HCl solution?

58. ## Physics

A wheel turns through 90.0 revolutions in 15.0 sec. The angular speed at the end of this 15.0 sec period is 10.0 rev/s. Assuming that the angular acceleration is constant, calculate a) the angular speed at the beginning of the 15.0 sec interval, and b) the

59. ## Chemistry

A system initially has an internal energy U of 493 J. It undergoes a process during which it releases 107 J of heat energy to the surroundings, and does work of 225 J. What is the final energy of the system, in J?

60. ## english

Which propaganda technique is used in this sentence? The candidate I endorse believes to his very soul that this change would destroy this lovely community and its soul by disrupting you, its heart and soul.

61. ## English

Identify the sentence that is punctuated correctly. A. He whispered, "I love you," and then fainted. B. "Your idea is excellent" said Matt, "but I'm not sure we have the budget to implement it." C. "I don't believe it!" exclaimed, Mr. Ripley. D. She

62. ## math

You are thinking of adding one of two investments to an already well diversified portfolio. Security A with expected return of 12%, standard deviation of 20.9%, and beta of 0.8. Security B with expected return of 12%, standard deviation of 10.1%, and beta

63. ## Chemistry

Which of the following are ionic or covalent? 1. lauric acid 2. magnesium sulfate 3. phenyl salicylate 4. ammonium chloride 5. sodium chloride

64. ## Chemistry

Given 2Al(s) + 3/2O2(g) → Al2O3(s), ΔH°f = -1,670 kJ/mol for Al2O3 (s). Determine ΔH° for the reaction 2Al2O3(s) → 4Al(s) + 3O2(g).

65. ## English

Identify the sentence that is punctuated correctly. A. She is wearing a new yellow dress, and looks clean and neat. B. The Kingdom of Bahrain has a settled well-educated population. C. He thinks that an apple a day keeps the doctor away. D. Working 9-5

66. ## Pre - Cal

1. Find the vertex of the parabola: 4y^2+4y-16x=0 2. Find an equation of the parabola, opening down, with vertex (-3,1) and solution point (4,-5). 3. The main cables of a suspension bridge are 20 meters above the road at the towers and 4 meters above the

67. ## ALGEBRA

Solve. 1/(3x-6) – 5/(x-2) = 12 • X=34/9 • X= -29/18 • X= -34/9 • X=29/18 How?

73. ## Algebra

An artifact was found and tested for its carbon-14 content. If 74% of the orginal carbon-14 was still present, what is its probable age (to the nearest 100 years)? (Carbon-14 has a half life of 5730 years).

74. ## English

dentify the correct sentence. A. Carla went to work at 248 Prospect Ave in Brooklyn, NY. B. Carla went to work at 248 Prospect Avenue in Brooklyn, NY. C. Carla went to work at 248 Prospect Avenue in Brooklyn, New York. D. Carla went to work at 248 Prospect

75. ## physics

in every minute a pump draws 6 metric cubed of water from a well and issues it at a speed of 5 meters per second from the nozzle situated 4 meters above the level from which the water was drawn. find the average rate at which the pump is working. (1 metric

76. ## Math

Mr Shen wished to enter the orange kite competition with an innovative kite of his own design. He did tests that showed an irregular quadrilateral design was best. The longest side (A) was twice the length of the shortest side (C). Side B was one and

77. ## Physics

A fisherman who lives in a high rise apartment building in Toronto, weighs a fish on a spring scale and records a 11.2 N reading. He reweighs the fish while he is in his elevator and records a reading of 13.1 N. What is the acceleration of the elevator at

78. ## physics

A beam of electrons moving in the x-direction at 8.3Mm/s enters a region where a uniform 240G magnetic field points in the y-direction. The boundary of the field region is perpendicular to the beam. How far into the field region does the beam penetrate?

79. ## math

Peter has a cylindrical block of wood od diameter 6 cm and height 18 cm. He glues the base to a board, but wants to paint the rest of the block. He wants to paint the bottom half of the wood black and the top half white. a) Calculate the surface area of

80. ## math

Loan amount = $10,000 Monthly payments =$258.50 Time of loan contract = 5 years True annual interest rate (to the nearest tenth) =

81. ## Math Essentials

The area of a rectangular portion of a national park is(48x^2 + 16x) square km. If the length is 8x km long, what is the width, in km?

82. ## chemistry

7.5 g of acetic acid (CH3COOH) are diluted to 150 mL with water. What is the molarity (mol/dm3) of the acetic acid?

83. ## Science help ASAP

1. In which way does the circulatory system rely on the skeletal system? Glucose is secreted by compact bone as an energy source for blood. Spongy bone stores minerals needed by blood cells. Bones provide a source of oxygen to blood. Blood cells are

84. ## Physics URGENT!!!!!!!!!!!!

An approaching train produces the RP1 signal (attention signal) at 600 Hz . The train moves with the speed of 120 km. What is the frequency and the wavelength of the sound detected by a person standing next to the track?

85. ## Chem 130

A sample of oxygen gas is collected by displacement of water at 25°C and 1.11 atm total pressure. If the vapor pressure of water is 23.756 mm Hg at 25°C, what is the partial pressure of the oxygen gas in the sample?

Find the equation of the perpendicular bisector of the straight line joining the points A(-1,0)and B(3,4).

87. ## chemistry

Concentrated phosphoric acid,H3PO4 was added slowly into some water to produce 5.0dm^3 of a dilute acid solution.100g of the pure phosphoric acid,H3PO4 was present in the solution.Find the concentration of the acid,in g dm^-3.

88. ## math

P = 6000(1+4)*(1.04)^5=?

89. ## Science

Human blood type is determined by co-dominant alleles. There are three different alleles, know as I^a and I^b alleles are co-dominant and the i allele is recessive. The possible human phenotypes for blood group are type A, type B, type AB, or type O. Type

90. ## american history

Which of the following statements about the Southern planter's world is most accurate? A. Most great planters of the Old South were self-made men. B. The stereotype of the "southern belle" is fairly accurate. C. The wives and daughter of plantation owners

91. ## Algebra

Simplify into one fraction. 3/(x-3)-5/(x-2) • (-2x + 9)/(x-3)(x-2) • (-2x)/(x-3)(x-2) • (-2x -9)/(x-3)(x-2) • (2x+9)/(x-3)(x-2) How?

92. ## chemistry

An 0.727 mol sample of argon gas at a temperature of 22.0 °C is found to occupy a volume of 26.2 liters. The pressure of this gas sample is how many mm Hg?

93. ## Enviroinmental Science

Which type of agriculture is more sustainable? WhySubsistence vs. Industrial Agriculture?

94. ## English

Back from Extinction In 2004, two biologists were canoeing in a remote part of Arkansas. They were searching for a bird that local people said was there. As the men floated along, they listened for a bird call neither had ever heard before. Then a

128. ## Algebra

Simplify into on fraction. (-5x/x+3)-(7/x+3) • (-5x-7)/(x+3) • (-5x+7)/(x+3) • (-5x-7)/(x+3)^3 • (-5x+7)/(x+3)^2 How?

129. ## social studies

My daughter is doing and A-Z book on california history, and can't find anything for the letter X. Can you help please?

130. ## Astro-Physics

Imagine you are in a spaceship one million km from a black hole of mass 2×1030 kg. Initially you are flying directly away from it at a velocity of 12.8 km/s. Using the n-body approximation, what is your velocity one second later? Type your answer in

131. ## Language Arts

Which sentence does not include an abbreviation? a)The movie starts at 12:45 p.m b)Dr. Ross asked the nurse to schedule my surgery immediately. c)One day I hope to visit Mt. Rushmore. d)Chris left work early to catch the train at three o'clock. Is the

132. ## Math

Find the solution. y = 4x & y + x = 5

133. ## Language Arts

In drafting a descriptive paragraph, how are the details organized if you use spatial order as the organizing principle? a)from most general to most specific b)by physical position or relationship to each other c)by the date each event occurred d)in order

134. ## Social Studies

Explain why you think Matthew Lyon is an important figure in American History and why he should be included in the Register. Would it be that no other American has illustrated more thoroughly than Matthew Lyon the excellence of democratic institutions in

135. ## physics

a hot air ballon rises from the ground with a uniform acceleration. after 10 seconds the ballon has attained a height of 25 metres. if the total mass of ballon and its bucket is 250 kg, find the magnitude of the force f

136. ## math

If you put $6,000 in a savings account that pays interest at the rate of 4 percent, compounded annually, how much will you have in five years? (Hint: Use the future value formula.) How much interest will you earn during the five years? If you put$ 6,000

137. ## science

How many DALYs are lost by a person who has a life expectancy of 74, contracts HIV/AIDS at the age of 40 and lives until the age of 60? This person receives antiretroviral medication two years after she/he contracts HIV/AIDS until she/he dies. [The

138. ## help.

What should you be if you like English, learning other countries cultures, and art, but not painting or anything like that.

139. ## Algebra Question~!

A company invests $15,000.00 in an account that compounds interest annually. After two years, the account is worth$16,099.44. Use the function in which r is the annual interest rate, P is the principle, and A is the amount of money after t years. What is

140. ## physics

a body of mass 5kg falls vertically against a resistance of x Newtons.The body passes through two points A and B, 2.5 METERS APART with A above B, WHEN TRAVELING WITH SPEED 2 METERS PER SECOND AND 6 METERS PER SECOND RESPECTIVELY. BY ENERGY CONSIDERATION ,

141. ## Chemistry - Science (Dr. Bob222)

Posted by Ana on Saturday, May 3, 2014 at 11:23am. A zinc-copper battery is constructed as follows (standard reduction potentials given below): Zn | Zn2+ (0.10 M) || Cu2+ (2.50 M) | Cu Zn2+ + 2 e- → Zn(s) Eº = -0.76 V Cu2+ + 2 e- → Cu(s) Eº = 0.34 V

142. ## physics

when a force of 0.245 newtons is applied to a body of mass 250g which is resting on a horizontal plane, the body is found to be in a limiting equilibrium. find the coefficient of friction between body and planes.

143. ## ~Algebra question~

The time, t, required to drive a certain distance varies inversely with the speed, r. If it takes 7 hours to drive the distance at 55 miles per hour, how long will it take to drive the same distance at 65 miles per hour? (1 point)

144. ## Chemistry

Aniline, C6H5NH2, is a weak base. If the hydroxide ion concentration of a 0.201 M solution is 9.2 10-6 M, what is the ionization constant for the base?

145. ## physics

a particle of mass m moving with a speed v meters per second strikes a particle of mass 3m at rest and joins together. express the final kinetic energy as a fraction of initial energy

146. ## physics

Level I: If a rider accidentally releases an object when the ride is at maximum height and top speed, how far away (horizontally) would that object land, assuming negligible air resistance? If viewed from above, what would the path of that object look

147. ## science

What can be done to prevent mine drainage from damaging the ecosystem

148. ## english

What should you be if you like English, learning other countries cultures, and art, but not painting or anything like that. I am thinking about becoming an interior designer or lawyer. Thoughts or ideas?

149. ## Algebra, Logirithms

Find the inverse of the function: f(x) = e^(4x+2) - 10

150. ## Physic

Please urgent help me A cryogenic storage container holds liquid helium, which boils at 4.20 K. Suppose a student painted the outer shell of the container black, turning it into a pseudo-blackbody, and that the shell has an effective area of 0.487 m2 and

151. ## science (weather & climaate

Science 6 B - Weather and Climate Unit Test i go 2 conections acedemy

152. ## LOGS (ALGEBRA)

FIND THE INVERSE: f(x) = 10^(5x+3) - 10 f^-1(x) =

153. ## English (Writeacher)

How should revise these sentences so that they are still three sentences? "Ten years after the Trojan War, Odysseus departs from the goddess Calypso's island and arrives in Phoenicia, ruled by Alcinous. Offering Odysseus a ship to return him to his

154. ## math

A microwave oven costing RM500 was marked up 10% based on retail price. later it was marked down by 5%. WHAT is the final retail price? i get RM500/100X110=RM550 RMM550(1-0.05) =RM522.5 but in my book the answer is rm527.78 ?

155. ## English

A __________ is always placed after a closing quotation mark. A. semicolon or comma B. semicolon or colon C. period or question mark D. period or comma C

156. ## physics

two children sit at opposite ends of a 60 lb. 10 ft. seesaw which is pivoted at its center one child weighs 50 lbs. and the other 75 lbs. the seesaw is uniform so that its center of gravity is at its geometric center, which also is its pivot point. A) the

157. ## maths

Determine the length and breadth of a rectangle if the length is 3cm less than twice the breadth, and the perimeter is 18 .

171. ## AP Physics B

how much heat does it take to melt 4.2 kg of ice at 0c? Answer in kcal

172. ## math

on a blueprint for s house front of the house is shown 12 in. wide and 14 in. tall if the front of the actual house is 30ft wide how tall is the house?

173. ## physics

Stuck on this homework problem, any help would be appreciated. Thank you!! A truck has 5.9L diesel engine in it. 5.9L of the overall displacement in 6 cylinders each 102mm bore (diameter) and 120mm stroke (length). Engine operates at 16.3:1 compression

174. ## maths

Simplify; x^2 + ax + bx + ab divide x^2 + 2ax + a^2.

175. ## Physics

What is the turntable’s angular velocity at t = 4.0s ?

176. ## maths

Solve this equation; p^2 - p - 42

177. ## maths

compplex numbers multiplying complex and not: 3*(6-j8) also, 3+(6-J8)

178. ## Career choices

I do maths lit,acco and life science ,what Career should I follow

179. ## chemistry

What is the molarity (mol/dm3) of a solution prepared by dilution of 0.125 moles of sodium chloride (NaCl) to 2.50x102 mL with water?

180. ## Accounting; Emergency

NOTE: I NEED HELP WITH THESE 10 QUESTIONS,IT IS AN EMERGENCY PLEASE! Use the following information to answer questions 1-4. The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually

181. ## Chemistry

For ionic compound properties, what is the solubiity in hexane

182. ## Teachers aide

Resiliency in children is best fostered by

183. ## chemistry

What is the molarity (mol/dm3) of a solution prepared by dilution of 0.125 moles of sodium chloride (NaCl) to 2.50x102 mL with water?

184. ## chemistry

7.5 g of acetic acid (CH3COOH) are diluted to 150 mL with water. What is the molarity (mol/dm3) of the acetic acid?

185. ## chemistry

How many grams of sodium hydroxide (NaOH) are needed to prepare 250 mL of a 0.20 M (mol/dm3) sodium hydroxide solution?

186. ## Chemistry

A truck has 5.9L diesel engine in it. 5.9L of the overall displacement in 6 cylinders each 102mm bore (diameter) and 120mm stroke (length). Engine operates at 16.3:1 compression ratio and with 6psi (0.41atm) of boost cruising at 1600rpm. 1.) The air

187. ## child care

A child who moved from throwing a ball using only an elbow movement to throwing a ball using her elbow, wrist, and shoulder is showing signs of _______ development.

188. ## Chemistry

Write the equilibrium constant expression for each of the following reactions: A. 4NO(g)+2O^2 2N^2O^4(g) B. 2NO(g)+ Br^2(g) 2NOBr(g) C. CO(g)+ 2H^2(g) CH^3OH(g) D. SO^2(g) + NO^2(g) SO^3(g) + NO(g)

189. ## VOCAB

one of the sure signs of a country that is not free is that the people in power will not (countenance, blurt) any criticism of their acts ans . countenance Though there has of late been a good deal of (countenance agitation) for tax reform, nothing much

190. ## pre calculus

a gun with a muzzle velocity of 1200 feet per second is fired at an angle of 6 degrees above the horizontal. find the component form of a vector. verify the magnitude

191. ## Chemistry

Consider the following reaction at constant P. Use the information here to determine the value of ΔSsurr at 398 K. Predict whether or not this reaction will be spontaneous at this temperature. 4 NH3(g) + 3 O2(g) → 2 N2(g) + 6 H2O(g); ΔH = -1267 kJ

192. ## Programming

Develop a menu-driven program that inputs two numbers and, at the user's option, finds their sum, difference, product, or quotient.

193. ## Social Studies

Compare and contrast how the United States and Canada achieved independence.

194. ## Mathematics

A lot which is 3 feet times as long as it is wide is enclosed by a walk 10 feet wide. The area of the lot is 1200 square feet more than that of the walk. Find the dimensions of the lot. PLZ help and give a check if possible!

1) Which of the following statements is/are CORRECT? 1. Naturally occurring isotopes account for only a small fraction of known radioactive isotopes. 2. A few radioactive isotopes with long half-lives, such as U-235 and U-238, are found in nature. 3. Trace

196. ## English (Writeacher)

How should I revise these sentences so that they are not as long but still are three sentences? "Driven by sea storms, Odysseus and his men wind up upon the land of the Lotus Eaters, and three of the men are sent to retrieve information about the

197. ## math

You randomly choose a natural number from 1-10. what is the probability that you choose a multiple of 2 or 3?

198. ## ALGEBRA

The temperature, T, of a given mass of gas varies inversely with its volume, V. The temperature of 20 cm3 of a certain gas is 15°C. What will the temperature be when it is compressed to a volume of 5 cm3? • 10°C • 300°C • 6.67°C • 60°C How?

199. ## Algebra

Solve. (–10x3 + 30x – 20) ÷ (–5x + 5) • 2x2 – 2x + 4 • –2x2 – 2x – 4 • –2x2 + 2x + 4 • 2x2 + 2x – 4 How?

200. ## Chemistry

A 271-g sample of nickel at 94.1°C is placed in 100.0 mL of water (density = 1.00 g/mL) at 23.9°C. What is the final temperature of the water? [Assume that no heat is lost to or gained from the surroundings. Specific heat capacity of nickel = 0.444

201. ## Science

Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between these two organisms? A. sequence the same gene in both species to compare their similarity. B. dissect specimens of both species to

203. ## Physics

Hello, I need an example of something that travels 7 m/sec or 10 m/sec. Any ideas?

204. ## Accounting

NOTE: I NEED HELP WITH THESE 10 QUESTIONS,IT IS AN EMERGENCY PLEASE! Use the following information to answer questions 1-4. The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually

205. ## MATHS - FRACTION

3 1/3 - 1 3/4 = 3 4/12 - 1 9/12 IE. 4/12 < 9/12 2 + 1 + 1/3 - 1 3/4 = 2 + 12/12 + 4/12 - 1 9/12 = 1 7/12 Please somebody explain these steps.

206. ## physics

An american system of communication is based on the radio frequency of 76 Hz. Compute the wavelength of theses waves and compare it to the diameter of the earth.

207. ## physics

An approaching train produces the RP1 signal (attention signal) at 600 Hz . The train moves with the speed of 120 km/h. What is the frequency and the wavelength of the sound detected by a person standing next to the track?

249. ## Organic CHM II

What are the most important monosaccarides in biological systems? glucose and fructose?? is that correct?

250. ## Algebra

Simplify. (3/5a)*(1/a^2) • 3/5a^2; where a ≠ 0 • 3/5a^2 • 3/5a^3; where a ≠0 • 4/5a^2; where a ≠0 How?