A gaseous hydrogen and carbon containing compound is decomposed and found to contain 85.63% C and 14.37% H by mass. The mass of 258 mL of the gas, measured at STP, was found to be 0.646 g.What is the molecular formula of the compound?
February 23, 2014
Which of the following is NOT one of the key requirements for auditor independence? A. Auditors must disclose all other written communications between management and themselves. b. Public accounting firms must report if they are providing audit services to any company whose ...
January 5, 2014
Which of the following represents the top categories of cyberliability, as listed in the text? A. Discrimination and harassment B. Discrimination, harassment, defamation and libel, information leaks, spam, and wasting time online C. Discrimination, harassment, obscenity and ...
January 5, 2014
Calculate the magnitude of the cohesive energy of potassium iodide (KI). The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively. Assume the Born exponent n is 10. Assume a Madelung constant of 1.7. Please report your answer in kJ/mol or how to calculate it.
September 29, 2013
When a shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 5.1 m/s2 as it slows from 9.6 m/s to 0 m/s. Find the time interval of acceleration for the bus. Answer in units of s
September 16, 2013
An observational study is conducted to investigate the association between age and total serum cholesterol. The correlation is estimated at r = 0.35. The study involves n=125 participants and the mean (std dev) age is 44.3 (10.0) years with an age range of 35 to 55 years, and ...
July 5, 2013
You have spent a very long time training your dog to open the refrigerator and bring you a drink when you ask him to. Since your pet cant read, his selection of the specific type of beverage he brings is completely random although you notice that, for reasons ...
April 12, 2013
sodium hydrogen carbonate was added so the benzoic acid would dissolve hence leaving the acetanilide and dichloroethane. the benzoic acid and the sodium hydrogen bicarbonate was separated buy adding hydrocholoric acid and then using a suction funnel therefore leaving the "...
January 23, 2013
Separating a mixture of benzoic acid, acetanilide in dichloromethane An over zealous student decided to conduct this experiment by distilling all the dicholoromethane at the very beginning and then separating the solid residue of benzoic acid and acetanilide by ...
January 23, 2013
The latest in the "You may be a redneck if . . . " genre has produced a simple questionnaire. If more than 80% of the questions are answered in accordance with redneck"philosophy" (e.g., "You may be a redneck if grade 4 was the best 5 years of your ...
December 8, 2012
On your wedding day your lover gives you a gold ring of mass 3.68 g. 54 years later its mass is 3.28 g. On the average how many atoms were abrated from the ring during each second of your marriage? The atomic mass of gold is 197 u.
August 25, 2012
A tortoise can run with a speed of 11.5 cm/s, and a hare can run 21.4 times as fast. In a race, they both start at the same time, but the hare stops to rest for 126 seconds. The tortoise wins by a shell (18.3 cm). How long does the race take? What is the length of the race?
August 25, 2012
A driver in a car traveling at a speed of 55.3 mi/h sees a deer 108 m away on the road. Calculate the minimum constant acceleration that is necessary for the car to stop without hitting the deer (assuming that the deer does not move in the meantime).
August 22, 2012
In a simple linear regression you are told that the estimate of the slope coefficient was 0.9 and that the "t-statistic" for testing whether the slope parameter was unity or not was -3.8. What is the estimated standard error for the estimated slope coefficient?
May 29, 2011
I don't no what I must do here: You observed something strenge. You noticed that your pet plant Bob is leaning toward the window in your room. He has been growing toward the window for some time and you wonder why he is doing that. 1.What process will you use to figure out...
September 8, 2010
Begin by opening individual savings and checking accounts in your name. Over time, your deposits, withdrawals, and transfers will demonstrate that you can handle money responsibly. Applying for a loan is another option, but be aware that this method of establishing a credit ...
August 25, 2010
Sharing cost. The members of a flying club plan to share equally the cost of a $200,000 airplane. The members want to find five more people to join the club so that the cost per person will decrease by $2000. How many members are currently in the club?
August 24, 2010
Decreasing cube. Each of the three dimensions of a cube with sides of length s centimeters is decreased by a whole number of centimeters. The new volume in cubic centimeters is given by V(s) equals s power of 3 - 13s power of 2 + 54s - 72. a) Find V(10). b) If the ...
August 6, 2010
i'm trying to find strengths to a deep processing vs shalow processing investigation procedure: 1)class split in half 2)class given 10 mins to remember 24 words 3)each member given piece of paper to write down the words they could remember 4)results taken in i can think of...
May 22, 2010
BJK Company purchased 1000 shares of its own outstanding $10 par value common stock for $14 per share and then sold 400 shares six months later for $17 a share. Prepare the journal entries for the purchase of the stock and for the sale.
December 7, 2008
On March 1, 2008, five-year bonds are sold for $254,013 that have a face value of $250,000 and an interest rate of 10%. Interest is paid semi-annually on March 1 and September 1. Using the straight-line amortization method, prepare the borrower's journal entries on March 1...
December 7, 2008
AP Bio Lab
the water potential of a solution is equal to the osmotic potential plus the pressure potential. Since there is no differential pressure acting on teh solution, the pressure potential is equal to 0 making teh water potential equal to the osmotic potential. If the equilibrium ...
October 2, 2008
Use a specific example then expand to the general case to determine what happens under scalar multiplication. That is, determine if k(a * b) = (ka) *b = a* (kb)? What does this even mean? Merci beaucoup. I am thankful for the help.
July 3, 2008
Principles of Business
Identify and discuss THREE features which could be used in determining if a company operates in a perfect competition. 1) The company produces something "generic" (e.g., mill lumber) that is also produced by several other compeating companies. 2) The company sells in...
January 3, 2007