# Questions Asked onApril 8, 2010

what are the importance of business math to the business education students?

2. ## chemistry

I was having trouble with this problem. initial pressure for the compounds involved in the reaction displayed were determined to be P(CO(g)) = 0.5794 atm, P(H2O(g)) = 0.5662 atm, P(CO2(g)) = 0.7950 atm, P(H2(g)) = 0.2754 atm. Calculate the value of the

3. ## calculus

Show that the curves (y= √2sinx) and (y=√2cosx) intersect at right angles at a certain point with 0

What is one way the U.S. legal system impacts U.S. businesses

5. ## chemistry

what volume of oxygen gas is needed to completely combust 0.202 L of butane (C4H10) gas?

6. ## chemistry

I also had a problem with this type of questionthe initial pressure of NOCl(g) is 4.329 atm, calculate the % of NOCl(g) left over after the reaction reaches equilibrium according to the balanced equation. The value of Kp at 400.0 °C is 1.99. The initial

7. ## science

Ions are electrically charged particles that are formed when certain compounds are dissolved in water. These solutions will conduct electricity. The Swedish scientist Svante Arrhenius coined the term ion (which means wanderer) to explain why solutions of

8. ## chemistry

What is the pH of a solution prepared by dissolving 8.40 g of aniline hydrochloride C6H5NH3Cl in 750 mL of 0.210 M aniline,C6H5NH2? i kno to use the ph = pka + log (base/acid). getting pka isnt the issue, but what do i put into the log (base/acid)?

9. ## Math

Design a rational function with the following characteristics: three real zeros, one of multiplicity 2; y-intercept 1; vertical asymptotes x=-2 and x=3; oblique asymptote y=2x+1.

10. ## chemistry(please clarify my thoughts)

for MO between C-S, is the sigma bond higher in energy than pie bond since it is applied to C.So when we do MO for C-S,do we use that rule in this as well

11. ## statistics

the ages of five randomly chosen cars in a parking garage are determined to ,be and , years old. if we consider this sample of in groups of , how many groups can be formed?

12. ## MATH

It is a well-known fact that homing pigeons fly faster over land than over water. Assume that they fly at 10 metres per second over land, and only 8 metres per second over water. A pigeon is located at the edge of a straight river bank, 500 metres wide,

13. ## physics help

A flywheel turns through 32 rev as it slows from an angular speed of 2.1 rad/s to a stop. How much time is required for it to complete the first 16 of the 32 revolutions?

14. ## chemistry

Use the combined gas law to solve the following problem: Calculate the volume of helium gas that results when 0.550 L of the gas is heated from 22.0 degrees C at 1.00 atm to 30.0 degrees C at 1.50 atm .

15. ## Accounting

I know that you cannot answer homework questions directly, but in my accounting class we have to do a financial statement for Arcadia Hospital which is our checkpoint for Axia College of University of Phoenix. I did see previous question hoping to get more

16. ## health management

A health agency experience an average 150+ days in it's receivables. Would you look to a 90 day or 30 year mortgage fo financing

17. ## chemistry

how do we calculate bond order of a molecule that has 3 different elements, like for example C-N-O

how do resonance structure related to its real structure? resonance structure is just another way to write the lewis dot with different formal charges and bond order

19. ## CHEMISTRY

is it reasonable to expect the heat of neutralization to be the same regardless of which acid is used? or should we expect each acid and base combination to have its own heat of neutralization?

Compare the results of the two measurements of a heat of neutralization (HCl&NaOH=11.58 kcal/mol) (CH3COOH&NaOH=13.06kcal/mol). Estimate the error in this. How close would they have to be to be considered identical? Quote numbers to justify your answer

21. ## CALCULUS

A ruptured oil tanker causes a circular oil slick on the surface of the ocean. When its radius is 150 meters, the radius of the slick is expanding at 0.1 m/min, and its thickness is .02 m. At that moment: a. How fast is the area of the slick expanding? b.

22. ## CALCULUS

A gas station stands at the intersection of a north-south road and an east-west road. A police car is traveling towards the gas station from the east, chasing a stolen truck which is traveling north away from the gas station. The speed of the police car is

23. ## College Physics

The three bodies in the figure each have the same mass. If one of the bodies is moved 11.3 cm in the positive x-direction, by how much does the center of mass move?

t^2-11t+28=0

25. ## OChem

What's the purpose of "PREPARATION OF A SYNTHETIC PLANT HORMONE Adapted from "p-Chlorophenoxyacetic Acid – Preparation of a Synthetic Plant Hormone." thanks

26. ## computer

why are natural language not be suited for programming computer.

27. ## math

how to find the period of y = cos(6x)from your graph. what is the period of y=cos(6x) in radians?

28. ## math

how to find the period of y = cos(6x)from your graph. what is the period of y=cos(6x) in radians?

29. ## world liturature and language

Write a three-paragraph comparison between themes in Márquez's "Old Man" and Kafka's "The Metamorphosis".

30. ## Geology

How can we calculate the volume of a cylinder without knowing the mole of He and applying ideal gas low with the variable of pressure.

31. ## science

explain why the pressure of the gas particles incfreases as the volume is decreased.

32. ## Chemistry

Combustion analysis of 0.284 g of a compound containing C, H, and O produces 0.623 g of CO2 and 0.340 g of H2O. Mass spectral analysis shows that the compound has a molar mass around 120 g mol-1. What is the compound's: Empirical Formula: Molecular

33. ## physical science

What subdivisions make up the geologic time scale? What is the primary basis for differentiating the eras?

34. ## African American History

Due to the long stretch of years of oppression and torture African Americans hae gone through in this country, they want reparation similarly to other groups including the Jews, Japanese, and the Native Americans. What solutions or strategies would you or

35. ## physics

Pls help me out. Four positive and equal charges are located dt the corners of a square of side 20cm.if each charge has a magnitude 2microcoulumb,calculate the force acting on the charge at the lower left corner of the square.

36. ## Physics

Four equal charges Q=2*10^-8coulumb are placed at the corners of a square of side 60cm.calculate the potential at the centre of the square.

37. ## Physics

A charge q=3*10^-6coulumb is placed at the centre of a cube of edge L.Determine the electric flux through each of the cube faces.

38. ## ECONOMICS

As the economy expands, it requires les and less investment.

39. ## Math

I have tried to figure out this problem and I just don't seem to understand. Could someone please help? I need to write a solution in interval notation for x

40. ## Pysical Science

Suppose I give you 2kg of a substance at 90 degree C with a specific heat of .75 cal/g degree C. How much ice water will it take to cool the sample to 20 degree C?

41. ## chemistry

I have a chemistry project where I need to make an object move using my knowledge of chemistry. The object os a small ball the size of a large marble. It must be moved using chemistry and NOT physics (ie slope wind etc). I am 15 and in grade 11.

42. ## Math

I have a question. I need to graph the compound inequality of x5 and this is how my graph looks like: -6 -4 -2 0 2 4 6 Is this correct? Thanks.

43. ## social studies

i am asked to plan a port town like William Penn did however, I am not sure how the original layout of such a town may have looked like? Where can I see an actual early town plan(1700's)that might have been located near river?

44. ## Physics

A spherical steel ball has a diameter of 2.540cm at 25 degree Celsius. (a)What is its diameter when the temperature is raised to 100 degree Celsius? (b)What temperature change is required to increase its volume by 1%?

45. ## Physics

A spherical steel ball has a diameter of 2.540cm at 25 degree Celsius. (a)What is its diameter when the temperature is raised to 100 degree Celsius? (b)What temperature change is required to increase its volume by 1%?

46. ## math

Imagine a small chess board, 3 x 3. If you place a knight on the top left hand corner, how many different squares can the knight reach in less than 4 moves?

47. ## Mica

Can someone factor this for me? y=x^4-4x^3+16 i could only get up to: y=(x-2)(x^3-2x^2-4x-8)

48. ## social studies

Why should a political system be unitary, federal, or confederal? If the U.S. were to have another constitutional convention, would we keep a federal system or change it? Why or why not?

49. ## PHYSICS

A ball of mass m at rest at the coordinate origin exploded into three equal pieces. At a certain instant, one piece is on the x-axis at x=40cm, and another is at x=20cm, y= -60 cm. Where is the third piece at that instant.

50. ## Math

With time, t, in minutes, the temperature, H, in degrees Celsius, of a bottle of water put in the refrigerator at time t=o is given by H = 4 + 16e-.02t How fast is the water cooling initially? After 10 minutes? Include units in your answer

51. ## math

The average cost per item, C, in dollars, of manufacturing a quantity q of cell phones is given by C= (a/q) + b where a and b are positive constants a.Find the rate of change of C as q increases. What are its units? b. Currently, 5000 phones are being made

52. ## Science, gr9

Hi, I have to write an opinionated article on the safety problems in space. I have to wrtie the issues that occur during a lift-off which are ignored I have been unable to find a website that tells me issues that occur but are ignored or thought that

53. ## geography

The factor that is forcing many South Asians to move to cities is a. religious conflict in rural areas. b. the threat of landslides in coastal areas. c. lack of arable land due to a growing population. d. dry conditions in the Indo-Gangetic Plain C?

54. ## Chemisty

In an experiment, 23.0 g of ice at –25°C is converted into steam with a temperature of 124°C. How much heat is required for the process? The following data may be of use: vap = 2260 J/g; Hfus = 334 J/g; Cp(ice) = 2.06 J/g • °C; Cp(water) =

55. ## Chemisty

How much heat energy is released to surrounding when 15.0 g of water at 35°C is converted into ice with a temperature of -45°C? vap = 2260 J/g; Hfus = 334 J/g; Cp(ice) = 2.06 J/g • °C; Cp(water) = 4.18 J/g • °C; Cp(steam) = 1.99 J/g •

56. ## Chemisty

In an experiment, 230 kJ of heat energy are released to the surroundings when steam is converted to liquid water. Calculate the number of grams of water condensed. The following data may be of use: vap = 2260 J/g; Hfus = 334 J/g; Cp(ice) = 2.06

57. ## Chemistry

What will be the final temperature of a 22.0 g piece of iron (Cp = 25.09 J/K • mol), initially at 25°C, if it is supplied with 28.2 J from a stove?

58. ## Chemistry

Given the enthalpies of formation for the following substances, determine ƒ´Hrxn for Cl2(g) + C2H2Cl2(g) „_ C2H2Cl4(g) Substance ƒ´H (kJ/mol) Cl2 0 C2H2Cl2 4.27 C2H2Cl4 ¡V155.6

59. ## Chemistry

Given the reaction shown below, calculate: (a) The amount of NO2, in grams, generated from reactants if 300.23 kJ of heat energy is released during the course of the reacton. (b) The heat energy released if 33.23 grams of O2 is consumed in the reaction. 2

60. ## Bibliography

How do you write in APA format a bibliography?

A ruptured oil tanker causes a circular oil slick on the surface of the ocean. When its radius is 150 meters, the radius of the slick is expanding at 0.1 m/min, and its thickness is .02 m. At that moment: a. How fast is the area of the slick expanding? b.

62. ## english

How should start my comapre & contrast essay on Mariah Carey & Whitney Houston? like can I get an example of an attention getter?

63. ## Physics

In order to keep a leaking ship from sinking, it is necessary to pump 15.0 {\rm lb} of water each second from below deck up a height of 2.00 {\rm m} and over the side.What is the minimum horsepower motor that can be used to save the ship? What is the

64. ## Science

Hi, I have to write an opinionated article on the safety problems in space. I have to wrtie the issues that occur during a lift-off which are ignored I have been unable to find a website that tells me issues that occur but are ignored or thought that

191. ## Science-Periodic Table

whats the connection/relationship between the # of protons in the nucleus of an atom & and atomic # of the element? The atomic number tells you the number of protons in the nucleus of the atom. The atomic number is the number of protons in the nucleus of

192. ## Science

why do plastics have to be separated before recycled? Like different kinds of plastics are separated by why? Im on the organic chem unit right now.

193. ## Chemistry

How can you tell if [ MnCl6]4- or [ Mn(CN)6 ] 4- has the longer wavelength of light? and then how do you figure out how many unpaired electrons each has?

194. ## Europe

is the european union federation, a confederation or something else?

195. ## math

There are five math teachers at Nate Elementary. The ages of four of the teachers are 32, 26, 35, and 27. If the mean of the ages is 31, what is the mode?

what does 9 over 18 and 10 over 34 means?

197. ## Bus 210

I need to make a slide presentation one of the slides has to do with transaction processing system. Can someone tell me where I can start?

198. ## chemistry

what is the pressure exerted by a 0.500 mol sample of nitrogen in a 10.0 L container at 20 degrees C?

199. ## introduction to university studies

how might knowing factors that influence behavior change help you with personal development

200. ## French

If you're using the future tense, should the second verb be in the future as well? I'm trying to say I would like to study journalism. Is it J'aimerais etudier journalisme OR J'aimerais etudierai journalisme? Merci beaucoup!

201. ## chemistry

I keep getting the wrong answer for this one can someone help. The initial concentration for the compounds involved in the reaction displayed were determined to be [NOCl(g)] = 0.1738 mol/L, [NO(g)] = 0.1991 mol/L, [Cl2(g)] = 0.000005938 mol/L. Calculate

refer to the frequency table to anwser the questions

203. ## To: bobpursley

Can you please check my other science posts as well. They are still on the 1st page, thank you very much:-)

204. ## Technology

Is there anyone who can double check this for me? 21. You have learned that there are seven inputs common to all technological systems. List these inputs and give an example for each one. 21. There are seven inputs that are common to all technological

205. ## geometry

An A-frame house is 45 feet high and 32 feet wide. Find the measure of the angle that the roof makes with the floor. Round to the nearest degree.

206. ## english

how do you write a survey questions

207. ## chemistry

On this problem I keep getting the wrong answer. I am subtracting the initial concentration of Cl2 by the equilibrium concentration then using the difference to subtract for the rest using the mole ratios. Then i used the keq constant equation of

Solve 0.3+4

233. ## physics

A student proposes to measure the gravitational constant G by suspending two spherical objects from the ceiling of a tall cathedral and measuring the deflection of the cables from the vertical. Draw a free-body diagram of one of the objects. (Do this on

234. ## history

i need good references for political groups during the russian revolution

235. ## Chem

How many lone pairs of electrons are on the central atom in the water molecule

236. ## Chemistry

"Given that the bond enthalpy of the carbon-oxygen bonds in carbon monoxide and carbon dioxide are 1073 kJ/mol and 743 kJ/mol respectively, and that of the bond in the oxygen molecule is 496 kJ/mol, calculate the enthalpy change for the combustion of 1

237. ## Physical Chemistry

Assuming that the activation energy is about 111kjmol-1, calculate the fractional variation in the rate constant that would result from a temparature of 323.15 K

238. ## To: DrBob222

Can you please check my previous science post. As of right now, you are the only science teacher on this site--which is why I am pleading you to. Thank you very much:-)

239. ## Physics

A particle of mass m0 is given a kinetic energy equal to one-third its rest-mass energy. How fast must the particle be traveling? please include units

240. ## college Chem

A diver exhales a bubble with a volume of 250 mL at a pressure of 2.4 atm and a temperature of 15 °C. How many gas particles are in this bubble?

241. ## Physics

A radio station broadcasting on a frequency of 106 MHz is received by an astronaut headed toward the station at a speed 4.0×107 m/s. To what frequency must the astronaut's radio be tuned?( use MHz for final unit answers)

242. ## Physics

Can a person, in principle, travel from Earth to the galactic center (which is about 2.30×104 lightyears distant) in a normal lifetime? Explain, using either time-dilation or length contraction arguments. If they want to make the trip in 26 y what

243. ## Physics

An unstable high-energy particle enters a detector and leaves a track 1.35 mm long before it decays. Its speed relative to the detector was 0.992c. What was its proper lifetime? That is, how long would the particle have lasted before decay had it been at

244. ## College Speech.

How would you write a speech in a manuscript form. I have no idea how. Please help need to send in my rough draft saturday night

245. ## Hard Latin 2 translation no idea

Primum octo paria servorum eiusdem gentis, ab ultima Sarmatia processerunt; sed minus acriter pugnaverunt quam populus exspectabat et, omnibus irridentibus, ex arena discesserunt. Postea decem Thraces !@#\$%^& decem Britannis melius pugnaverunt. Unus e

246. ## chem

if the reaction type is Synthesis then what would be the product of.. Fe subscript 2 O subscript 3 + H subscript 2 O

247. ## English

If there is a long written poem in only one stanza, then does that indicate, that it is only following one pattern? What else does it indicate? If a poem is written in one whole stanza than is the poet who wrote that just talking about one thing wither in

248. ## Pre-Cal

how do we put x^2-2y^2=4 into a standard equation???

249. ## Physics

Two Q = +6.72 mC charges are placed at opposite corners of a square d = 1.5 m on each side, and -Q = -6.72 mC charges are placed at the remaining corners, as shown in the figure. Q___________-Q | | | | | | | | -Q__________Q

250. ## psychology

What is the name of the type of thinking that humans do naturally? What is the weakness of this type of thinking?

251. ## Chem 106

Calculate the grams of HNO3 in 35.0 ml of a 6.00 M HNO3 solution