# Questions Asked onApril 28, 2010

1. ## college chemistry

Carbon monoxide is toxic because it bonds much more strongly to the iron in hemoglobin (Hgb) than does O2. Consider the following reactions and approximate free energy changes: Hgb + O2 ---> HgbO2 ∆G⁰ = -70 kJ Hgb + CO ---> HgbCO ∆G⁰ = -80 kJ Using

2. ## chemistry

Why is the carbon dioxide gas that carbonates fountain drinks stored in sturdy canisters?

3. ## science

Draw the structure for cis-2,3-dibromo-2-hexene.

4. ## chemistry

Which of these pressures is the lowest? 1.1 atm, 16.7 psi, 740 mm Hg, 111 458 Pa

5. ## chemistry

How are mm Hg, torr, psi, atm, and Pa related to each other mathematically?

6. ## math algebra with pizzazz

pg 142 What happened to the computer programer

7. ## chem

Why are titrations using permanganate performed in acid solution?

8. ## chemistry

a 1.00 L aqueous solution contained 5.80 g of NaOH. what is the pH of the solution? Can someone help me out with the setup of this?

9. ## criminal law

As a computing investigator for your local sheriff’s department, you have been asked to go with a detective to a local school that received a bomb threat in an anonymous email. The detective already has information from a subpoena sent to the last know

10. ## chemistry

What will happen to the volume of a gas in a closed container if you increase the external pressure when the temperature remains constant?

11. ## sewing

1. The type of machine that uses a needle that goes from side to side is a/an A. chain-stitch machine. B. straight-stitch machine. C. offset machine. D. zigzag machine. 2. Zigzag machines are divided into two categories: A. manual and automatic. B.

12. ## chemistry

How does the kinetic theory explain how you can smell coffee and bacon at the same time?

13. ## Chemistry

As ice melts at standard pressure, its temperature remains at 0°C until it has completely melted. Its potential energy: increases decreases remains the same

14. ## college chemistry

Pentane, C5H12, and hexane, C6H14, combine to form an ideal solution. At 25⁰C the vapor pressure of pentane is 511 torr and that of hexane is 150 torr. In the vapor over a pentane-hexane solution at 25⁰C, the mole fraction of pentane is 0.15. What is

15. ## Science- Chemistry Ap

2SO3(g) -> 2SO2(g) + O2(g) Delta H = 197kj For this reaction shown above, describe the changes that will occur to the number of moles of SO3 under the following conditions: (a) Additional oxygen is added to the reaction vessel. (b) The pressure in the

16. ## Pre calc

If 250 mg of a radioactive element decays to 200 mg in 48 hours, find the half-life of the element

17. ## chemistry

what is the freezing point of a solution of 12.0 g of CCl4 dissolved in 750.0g of benzene? the freezing point of benzene is 5.48 degrees C ; Kf is 5.12 degrees c/m.

Kenisha sells athletic shoes part-time at a department store. She can either earn $500 per month plus a 4% commission on her total sales or$400 per month plus a 5% commission on total sales. A)write a system of equations to represent the situation. B)what

19. ## Chem

The density of an unknown metal is 8.94 g/cm^3 and its atomic radius is 0.126 nm . It has a face-centered cubic lattice. Find the atomic weight of the unknown metal.

20. ## Chemistry

Which product is formed by beta emission from phosphorus -32? The atomic number of phosphorus is 15. A)28 Al 13 B)30 Al 13 C)32 S 16 D)32 P 15 E)33 P 15

21. ## physics

You are holding a shopping basket at the grocery store with two 0.68- cartons of cereal at the left end of the basket. The basket is 0.80 long. Where should you place a 1.8- half gallon of milk, relative to the left end of the basket, so that the center of

22. ## algebra

Use the formula 4.9t^2 +vot=s, where t is the time in seconds, vo is the initial velocity, and s is the distance in meters. Approximately how far will an object fall in 4 seonds, if it is thrown downward at an initial velocity of 20 meters per second (vo)

23. ## chemistry

Determine the minimum volume of 6.40M HNO3 required to dissolve a 2.40g sample of Cu. 2NO3-(aq)+8H+(aq)+3Cu(s)-->2NO(g)+4H2)(l)+3Cu2+(aq)

24. ## college

Electric fields are vector quantities whose magnitudes are measured in units of volts/meter (V/m). Find the resultant electric field when there are two fields, E1 and E2, where E1 is directed vertically upward and has magnitude 96 V/m and E2 is directed

25. ## college chemistry

Cadmium sulfide (CdS) is used in some semiconductor applications. It is possible to evision the dissolving of this slightly soluble substance as an oxidation-reduction reaction. Calculate the value of the solubility (Ksp) for CdS given the following

26. ## chemistry-check my work

for each of the following pairs, determine which acid is the stronger acid. A. H2S, HS- B. H2SO3, H2SeO3 C. HBr, H2Se D. HIO4, HIO3 E. H2S, H2O a. H2S b. H2SO3 c. HBr d. HIO3 e. H2S

27. ## physics

if the speed of the electron is 3.0x10^3 meters per second and the magnitude of the magnetic field is 3.0x10^5T then the value of the magnetic force is what?

28. ## research writing as a process

6.What's the next step to choosing a topic once you've identified a general subject? narrowing the topic formulating a thesis thinking about the nature of writing finding a general topic Question 7 What question should you consider when narrowing the

29. ## Chemistry

Write a balanced chemical reaction showing how the 4.99 g Sn dissolves in HNO3.

30. ## physics

A 100 g aluminum calorimeter contains 250 g of water. The two substances are in thermal equilibrium at 10°C. Two metallic blocks are placed in the water. One is a 50 g piece of copper at 79°C. The other sample has a mass of 83 g and is originally at a

31. ## college chemistry

A zinc-copper battery is constructed as follows: Zn | Zn+2(0.10 M) || Cu+2 (2.50 M)| Cu The mass of each electrode is 200.0 g. Each half cell contains 1.00 liter of solution. a) Calculate the cell potential when this battery is first connected. b)

32. ## chemistry

What are the concentrations of [H+] and [OH-] in each of the following. Determine the pH and pOH for each solution. A. 1.25 M HCl B. 0.25 M NaOH C. 0.035 M Ca(OH)2 D. 0.50 M HNO3 I know how to do the pH and pOH I just do not know how to figure out the both

33. ## research writing as a process

Question 20 What does a thesis statement do? explains how you came up with your topic announces what you plan to do in your paper introduces the controlling idea of your paper lays out the process of your paper my answer introduces the controlling idea of

34. ## algebra

A population grows by 4.7% each year. By what percentage does it grow each month? (Round your answer to two decimal places.)

35. ## research writing as a process

Question 1 What is one of the first steps in a research project? to think about the purpose of the research project. to consult a writing center tutor to formulate a thesis statement to find all the research you'll need Question 2 Which of the following is

36. ## college chemistry

a) Is the reaction shown below spontaneous under standard conditions at 25⁰C? CH3OH (g) ----> CO (g) + 2H2 (g) b) Will this reaction be spontaneous at 25⁰C given the following amounts of materials? CH3OH at 1.20 atm CO at 0.080 atm H2 at 0.020 atm

37. ## college chemistry

A solid consists of mixture of NaNO3 and Mg(NO3)2. When 6.50 g of this solid is dissolved in 50.0 g of water, the freezing point is lowered by 5.40⁰C. What is the composition of the solid (in mass percent)? Assume ideal behavior but watch out for the

38. ## Physics

A platform rotates at an angular speed of 2.2 rad/s.  A block rests on the platform a distance of 0.3m from the axis.  Static friction coeffient= 0.5.  Without any external torque acting on the system, the block is moved towards the axis.  Ignore the

39. ## calculus

a particle moves along the x-axis (units in cm) its initial position at t=0 sec is x(0)=15. the figure shows the graph of the particle's velocity v(t). the numbers are areas of the enclosed regions. in the graph 0 to a is 4 under the x-axis, a to b is 5

40. ## Marketing

Assume that you are a manager of a bank branch.Write a list of the implications of intangibility for you firm?

41. ## math

what is the answer to this question? The week before a big concert, five friends, alvin, bert, chip, dennis and ethan, stood in line to buy tickets. There were other people between them, but the five friends were in lin in the order listed above. the line

42. ## literature

What does Seattle say about integrating white and Native American cultures?

43. ## Math-probability

consider a bowl containing 36 different slips of paper. Ten of the slips of paper each contain one of the set of digits 0 through 9 and 26 slips each contain one of the 26 letters of the alphabet. Determine the probabilities of the events specified.

44. ## Math probability

How many ways can three cars be parked in a row of four parking spaces? I have no idea how to do this?

45. ## catering

Ms. Troy would like you to make a copy of an outfit that she owns and really likes—a sleeveless dress with a short-sleeve jacket. She has selected a lilac linen fabric that comes in 36-in. width. You make a pattern for the dress and record the following

46. ## math

What are three different ratios for 5 circles and 4 squares?

47. ## College Chemistry

In energy terms, ionization of an electron in an atom corresponds to the transition from whatever quantum state the electron is in to an energy of 0 KJ/mole. Calculate the energy in joules needed to remove one electron in the n=1 state from a hydrogen

48. ## Chemistry II

This is what I have. Could you please correct my work? Thank you. Compute the equilibrium constant for Ni^2+ (aq) and Cd (s). reduction Ni²⁺(aq) + 2 e⁻ ⇌ Ni(s) ; E°_red = -0.25V -oxidation Cd(s) ⇌ Cd²⁺(aq) + 2 e⁻ ; E°_ox = 0.40V (negative

49. ## maths - geometry

In a space with an orthonormal coordinate system consider the plane; &: 4x-3y=12 (a)(i)Find the coordinates of the points of intersection of the plane & with the coordinates axes (=axes intersections???) (ii)Find the parametric equations for the line of

50. ## chemistry

How are mm, torr, psi, atm, and Pa related to each other?

51. ## English/ Novel

I am trying to summary each chapter for the book Romiette & Julio by Sharon Draper. Please help!

52. ## Biology

What kinds of cells make it difficult to tear fern leaves from a plant? thanks:)

53. ## ALGEBRA 1

need help solving two houses are for sale on the same street.the second house has 1000 square feet less than twice the square feet of the first house. together the houses have 4400 square feet. what is the square footage of the first house? 2x-1000 = 4400

54. ## ALGEBRA 2

HELP the bulldogs won twice as many games as they lost. if yhey played a total of 36 games,how many did they win?

55. ## chemistry

Why can you smell a cake baking in the kitchen when you are in your bedroom?

56. ## research writing as a process

Question 14 How does a thesis function? A.it points out the inadequacies of the opposing views B.it states your position Cit summarizes the information D.it asks a question Question 17 5 points Save Which of the following is not a debatable thesis

57. ## music

what is one of the chief characteristis of beethovens music

58. ## Finding and evaluating sources

Question 15 Now that you have a list of citations and their accompanying bibliographic information, what question is not relevant when evaluating the source's audience? Can you tell who the author's intended audience is? Can you determine if the audience

59. ## Math

A ladder 20 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom of the ladder slides away from the wall, how fast does

101. ## Grammar

I have to decide what familiar saying or proverb is hidden in two of these formally written statements. Then I need to write it in informal language. 1. A single pass of the needle in sewing will oftentimes prevent the necessity of nine such passes. 2. The

102. ## math

how do you find the circumference of a circle.

103. ## math

3 2/5 * 1 1/8

104. ## Political Science

In the policy making process, explain why things take a long time to get done, clarify why one person cannot do it alone?

105. ## geometry

if angle a is 4x + 10 and angle b is 6x + 4, what are the measurements of angle a and b.... if you could help me with this one, I should be able to figure out the rest.... the textbook does not help

106. ## research writing as a process

Which of the following is not a characteristic of a thesis? It is very narrow. It is expressed in a sentence. It does not announce. It is not too broad. my answer It does not announce.

107. ## Chemistry

What is the pH of a solution in which [H30+] = 1.2 x 10^-3 M? A)1.20 B)2.92 C)11.08 D)12.80 E)8.33 x 10-12

108. ## pre-calculus

Beginning with the graph of y=e^x, describe each of the transformations that may be used to graph the function y=6+2e^x. Use complete sentences.

109. ## English

1. We should not eat and drink. (Does it mean that we can not both eat and drink? Does it mean that we can not do the activities at the same time?)

110. ## visual images and how to use them

Question 12 Which of the following visual arguments contains an ethical appeal? none of the above 1 a bar chart of 2003 housing construction sales per state an advertisement for corn seed that shows a farmer and his family standing next to a tractor with

111. ## Biology

For what enzymes is iron especially important? - (Talking about photosynthesis and phytoplankton)

112. ## English

How do you know what the topic and main idea of a paragraph is?

113. ## Statistics - Is it from Normal Distribution

I think I know how to answer the following question IF I assume that the distribution is normal - however, since the question doesn't say that it comes from a normal distribution - should I proceed differently? Question reads: The mean IQ among members of

114. ## ecology

Air pollution impacts us on a global level. What are the implications of global warming?

115. ## ALGEBRA

need help solving 50=3(r+16)- 2(r-2) and 5(2x-10)/2 + 14 = 19

116. ## confidentiality of health information

Joe researcher asks for access to patient records as part of a research project. What should the health information manager do? A. Say yes-access for research is permitted. B. Say no. C. Tell Joe to submit his request to an institutional review board if he

117. ## Physics

A 2m radius uniform 50kg disk has an object of unknown moment of inertia screwed into its center. A constant external force of 200N is applied tangentially to the disk's rim. A constant torque due to kinetic friction of 180Nmrad is present throughout the

118. ## chemestry

what is the condensed structural formula for. 5- ethyl-2-hexene

119. ## Chemistry

Which of the following increase the melting point of an ionic compound? decreased charge on the ions increased size of the ions increased charge on the ions decreased size of the ions increased amount of the compound

120. ## Confidentiality of Health information

The newspaper phones a rehab clinic and asks if Sally celebrity is a patient and what is her status. The clinic should A. Tell the newspaper the truth B. lie and say she's not if, in fact she's there. C. acknowledge her presence but give no details on

161. ## phi 105 introductory to philosophy

do you have any homework posted for this class especially week 6 day 3?

162. ## Finance

Differentiate between the various financial intermediaries,what is their main differentiating factor?

163. ## chemistry

What is the pH of a .10M (CH3)3N solution? Kb=6.40e-5

170. ## Physics

A ball of mass oscillates on a spring with spring constant = 200 . The ball's position is described by (0.350 ) 16.0 with measured in seconds. -What is the amplitude of the ball's motion? -What is the frequency of the ball's motion? -What is the value of

171. ## Grammar

Analogies Pot is to top as tip is to? Ring is to sting as brick is to?

172. ## Math

There is a circular table and it has an area of 1256 square inches. The table opens in the middle to allow additional boards to be added. Each board is 12 inches squared, fits across the diameter of the table, and is rectangular in shape. How many boards

173. ## chemistry

A 4.50e-2 M solution of unknown monoprotic weak base has a pH of 10.200 what is the value of kb for the base

174. ## critically anazlyzing images and using them

Question 16 Images help to send messages, so we should choose our images based on ____________________. what the audience wants to see our own favorite images how we analyze our audience, what our underlying claims are, what logic we use, and what emotions

175. ## history

Do you think federal government involvement in education is beneficial? Why or why not?

176. ## Geometry

If I have 21.95 = r cubed, how do I find the r? Thank you

the homework is about quotation marks. Add quotion marks if the sentence needs them. Write an x after the sentence if quotation marks are not needed. 1.- Cal wants to collect rocks. 2.- He asks, Mom, can I have a bucket for my rocks?. 3.- His mom gives him

178. ## History

As a result of the Pullman Strike, for the next 30 years the government

179. ## Math

Use a half angle formula to determine the exact value of sin 7(pi)/12.

180. ## Chemistry

If one strand of DNA has the sequence AATCCGTAGCTC, what would be the sequence of its complementary strand?

181. ## health

compare cost control strategies of employer-sponsored health plans

182. ## grants

im 12 yrs and writing a grant for the school so we can get 'money' to build a toothpick bridge and i have no clue how to write them!!! everything the websites say is soooo confusing!!1

183. ## chemistry

how to make a 100 mL solutino of 1.50M of NaCl

184. ## english

i need to compare theatres technology from today and in the elizabethan era. but i have to also use proof or quotes from the book cue for treason. help?

185. ## Macroeconomics

Say you have a 15% inflation rate and a 10% unemployment rate, and inflation is "public enemy number 1", what fiscal and monetary policies could you use to defeat inlfation?

186. ## science

what is believed to be the first living thing on earth?

187. ## algebra

Would the vertex of f(x)= -(x+3)^2+4 be (-4,3)?

188. ## social studies

Who, when, where, and why was the AIM(American Indian Movement)started

189. ## social studies

what group of people made a historic move and traveled from nova scotia,canada to louisiana territory

190. ## Social Studies

Why did New France have a hard time attracting settlers? (B) What economic activities were profitable in New France?

191. ## Physics

What is surface tension and what does tension in surface mean. Definition of tension?

in 1755 why didn't the english people want the acadians in nova scotia?

193. ## literature

The major theme of "life Without Principle" is

194. ## math

What is the estimate of 4/5 + 6/7

195. ## algebra

Is the line of symmetry in f(x)= -(x-2)^2+2 x=2

196. ## chemistry

Which of the following is a weak acid? A)HN03 B)H3P04 C)NH3 D)C03^2- E)OH

197. ## Chemistry

If the concentration of H3O+ is 3.5 X 10^-3 M. What is the concentration of OH-

198. ## science

which layer of the atmospher has the highest density of gas molecules

199. ## Chemistry

Which compound has a value of Ka that is close to 10^-5? A)NaCl B)HN03 C)CH3CH2C02H D)KOH E)NH3

x/.8 = 7/4

201. ## us 210

Describe what you consider the most effective behavior of entrepreneurs, managers, and employees.

Question 7 This modifier illustrates the rule that adverbs of two syllables take more, most and less, least. more beautiful smaller most safely sillier Question 8 This modifier illustrates the rule that adverbs of two syllables take more, most and less,

203. ## math

estimate 24.301 /5.7

Question 11 This modifier illustrates the rule that one-syllable words usually take -er and -est endings. mellowest least sweetly less generous nearer Question 12 This modifier illustrates the rule that three-syllable words take more, most and less, least.

205. ## Math!!!

Simplify the following including like terms 13rs(squared)-r+42s(squared)+6s(squared)-8rs(squared)-3r

206. ## Math!!!!!!!!!!!!!!

1+1=2,2+2=4,4+4=8,8+8=16

207. ## phys ed

im in swim and my teacher thinks i have a bad stroke how do i get a strong stroke

208. ## math

Describe the mathematic process of canceling like factors when working with rational expressions... Demonstrate this with an example

209. ## Math

Today Jamal had a spelling test. There were 21 words on the test. Jamal spelled two-thirds of them correctly. How many words did Jamal spell correct?

210. ## algebra

describe the mathematic process of canceling like factors when working with rational expressions and demonstrate this with an example

211. ## visual images and how to use them

Question 6 Television and print advertisements are visual arguments because ____________________. none of the above words are visible in the advertisements they are designed to convince us to buy a product, vote for a candidate, support a cause, and so on

212. ## Math

Provide an example of at leave five ordered pairs that do not model a function.? The domain will be any 5 integers between 0 and 20. The range will be any 5 integers between -10 and 10. Can someone please help me with this? Explain how you got the answer

213. ## physics

Equivalent forces derivation problem. EXAMPLE: Derive the formula for F3 in terms of the experimentally measured quantities m1, m2, 1, and 2. [Answer: F3=m1gcos1+m2gcos2.] Make sure you understand how this formula was derived. QUESTION: If the mass of both

214. ## Math

I can't figure out the function rule for one problem: X [] -2 12 1 9 4 6

215. ## algebra

find the solution for 0=x^2+310x-3000

216. ## ethics

what should the organization's position be in response to nondiscrimination issues?

217. ## phi105

who is holy the article

218. ## 6th grade language arts

a book listing many itmes is called a.... the word ends in logue

219. ## Chemistry

A pressurised can of whipped cream has an internal pressure of 1.33x105 Pa at 25.0 oC. If it is placed in a freezer at -15.0 oC, what is the new value for its internal pressure (in Pa)?

220. ## college

need help with week 6 day 3 phi/105

221. ## Calculus

Show that the vectors (-1,2,3), (4,1,-2) and (-14,-1,16) do not lie on the same plane

222. ## math

Peform each indicated operation by using LCD and simplify the result. Can you please show me the steps on how you got the answer because I don't understand how to these problems. Thank you. y+2 over y^2+2y+4 + 1 over y-2 z-3 over z^2+z-6 + 2z+1 over z-2

223. ## Science

Thank You DrBoB222 for the science help

I need a sentance for disloyal and the meaning. Thank You

225. ## Chemistry

What effect does lowering the pressure on the surface of water have on the boiling point? It increases the boiling point It decreases the boiling point the boiling point remains the same

226. ## calculus

Given: theta is in standard position in quadrant 1 with p(x,y)=(5,12) find sin 2 and cos 2

227. ## chemestry

sorry its 5-ethyl-2-hexyne

228. ## chemistry

what would the final volume of water be if 80 kJ were added

229. ## research writing as a process

how does a thesis function it points out the inadequacies of the opposing views

230. ## research writing as a process

how can I turn this into a appropriate research question? . Why are kids so violent today? What is wrong with them?

231. ## math

how do you take log(-63)

232. ## physics

what would be the significance of the photoelectric effect graph if it a) passed through the origin b) had a positive y intercept

233. ## Math

There are 40 students. THere are 6 who only like tape , 10 who like both tape and disc, and 11 who like only disc. How many bout tapes ? tapes but not disc , both tapes and discs neither discs nor tapes .. explain the progress of getting the answers

234. ## Voltage difference

I am trying to understand what the effects of a voltage difference would have in the method of electrostatic charge spray painting.. Any one?

235. ## Math

You roll a number cube three times. Find P(all odd).

236. ## Chemistry

can u calculate the number of moles 0.5g of H?

237. ## research writing as a process

Which of the following is a goal you may want to accomplishin a research project? to formulate a thesis statement to think about the purpose of the research project. to pick something you wrote a paper on last year and just correct the errors to analyze my

238. ## law

Describe the functions of organizational networks and specialized criminal justice databases in 200 to 300 words, recognizing that technology is rapidly becoming more important in the field of criminal justice.

239. ## language

what are the elements of persuasion?

240. ## Confidentiality of health information

Dr. Bob's computerized records have been compromised by a hacker, resulting in damages to patients. Which of the following is most true? A. Dr. Bob may be liable if he didn't have proper firewall or other protections. B. Dr. Bob won't be liable. C. Dr. Bob

241. ## CHEMISTRY

Can someone please help me with this problem. The following cell is set up to measure the concentration of K^+ in blood serum Ag,AgCl | KCl(aq), c=1mol/L | K^+ selective membrane | KCl, c mol/L in serum || NaCl(aq), c=1mol/L | AgCl,Ag 1) If the cell

242. ## math

In the figure, l is parallel to m, and m( 1) 5 60°. Find each of the following: b. m( 6) l is paralled to m. this is how the numbers are listed 2 1 3 4 6 5 7 8

243. ## math

1. Refer to the following line m: b. Name two rays on m that have endpoint B. d. Find a simpler name for the intersection of rays BA and AC the line m has points a b and c going on across like that

244. ## ecology

Give examples of how humans have increased their food supply and what effects these methods have on the environment overall.

do monsoons affect the climates of both north and south korea?

246. ## Using souces and avoiding plagirism

Which of the following is correct? a quotation is the record of your original source’s main point in your own words a quotation is the record of the exact words of your source indicated by quotation marks a quotation is the record of the exact words of

247. ## Algebra

Need help with these-- 4. Does the following set of coordinates make a horizontal, vertical, or diagonal line when connected with a straight line? (4,5) (2,5) Answer--yes 10. Classify the number as rational or irrational: 4.126532 14. Which of the

248. ## English

How might a character change in the course of a novel?

249. ## math

wats 4 divided by 137

250. ## PreCalculus REINY HELP PLEASE

well yay thanks for the answer but i really need the formula lol I tried to derive it on my own but it was a little bit rough lol i need the formula it wasn't in my book and I don't know what the name of the formula would be so i can't really google it...

251. ## chemistry

What volume of 12 M HCL must be diluted to make 2L of solution with pH of 4?

252. ## Finance

If a corporation wanted to guarantee its long term costs of financing an investment project, it could: a.) sell t-bill futures for when the funds were needed b.) buy t-bill futures for when the funds were needed c.) sell t-bond futures for when the funds

253. ## Finance

Holly, a speculator, expects interest rates to decline in the near future. Thus, she purchases a call option on interest rate futures with an exercise price of 92-10. The premium on the call option is 2-24. Just before the expiration date, the price of

254. ## Physics

Does the law of reflection only apply to mirrors or any object?

255. ## Finance

find present value of 29000 if you invested 9% in 17 quarters

256. ## critically anazlyzing images and using them

Question 12 Which of the following visual arguments contains an ethical appeal? none of the above 1 a bar chart of 2003 housing construction sales per state an advertisement for corn seed that shows a farmer and his family standing next to a tractor with

257. ## English

Can you please check this for grammar. Edsel and Eleanor Ford commissioned Albert Kahn to build their home and William R. Valentiner, director of the DIA to help lay the basic foundations for the paintings, furniture, and objects that completed each of the

Marketing strategy planners should recognize

259. ## math

what is the solution of the following system of equations? y = -2/3x y = 1 a) (-2,3) b) (1,-2/3) c) (-3/2,1) d) (1,-3)

260. ## Biology

Hi there, I have to do a paper on Luteinizing hormone and Follicle Stimulation Hormone. Could you direct me to newspapers or journal articles discussing both hormones individually and it's relation to homeostasis. Also, what is the chemical nature of the

261. ## math

60% is what common fraction?

262. ## Management

How does the local, state, or national economy affect your business or place of work?

263. ## Management

Are there business that are relatively recession or depression proof? Why or why not?

265. ## Management

During an economic boom, are there businesses that may not prosper to the same extent as others? Why or why not?

266. ## 9th grade - Civics

When was the last time Washington D.C.'s Electoral College votes went to a candidate form the Republican Party? How many Electoral College votes do they have?

267. ## science

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

268. ## Social studies

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

269. ## math

what is 15% of 35?

270. ## math

2 7/8 divided by 2 5/6

271. ## chemistry 12

i nee help in this question any help would be appreciated the question is 1.Given the reaction: A(g) + 2 B(g) ---> C(g) + D(g) ��H = -40 KJ, a. If the activation energy in the forward direction is 80KJ, plot the PE diagram. b. Plot a KE

272. ## math

What is an example of commutative property of multiplication?

273. ## Algebra

Need help with these-- 4. Does the following set of coordinates make a horizontal, vertical, or diagonal line when connected with a straight line? (4,5) (2,5) Answer--yes 10. Classify the number as rational or irrational: 4.126532 14. Which of the

274. ## Science

Melting point of gold is 1064*C What is the freezing point of gold?

275. ## Distribution & probabilities

Fluctuation in the prices of precious metals such as gold have been empirically shown to be well approximated by a normal distribution when observed over short interval of time. In May 1995, the daily price of gold (1 troy ounce) was believed to have a

276. ## Science

Is a liquid denser than a gas or less dense or the same density?

277. ## Science

What is formed when solid copper sulfate is mixed with water?

278. ## Science

How would I describe some of the physical and chemical properties of a chalk board?

279. ## Calculus

Evaluate the triple integral _E (xy)dV where E is a solid tetrahedron with vertices (0,0,0), (4,0,0), (0,1,0), (0,0,4)

280. ## Maths

Evaluate the triple integral _E (xy)dV where E is a solid tetrahedron with vertices (0,0,0), (4,0,0), (0,1,0), (0,0,4)

281. ## Math

Tameka's mother made fish fries for lunch. She made fish ice cream for dessert. It takes 6 small fish to make 1 1/2 cups of ice cream. How many fish does it take to make 4 cups of ice cream?

282. ## math

what are the multiples of 12 and 15?

283. ## art 101

the Egyptians and the Greeks. What are the similarities and differences between the two? What does the sculptural representation of the human form say about each culture?

284. ## math

Simplify the radical expression. sqrt 30/120n^2