Calculate the half life of the reaction
The thermal decomposition of N2O5 obeys first-order kinetics. At 45 degrees Celcius, a plot of ln(N2O5) versus t gives a slope of -7.10 * 10^-4 min^-1. What is the half life of the reaction?
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Describe what is meant by part per million and part per billion. Compare and contrast the normal definition when referring to a liquid and gas?
The time between arrivals of customers at the drive-up window of a bank follows an exponential probability distribution with a mean of 10 minutes.
Using the heats of vaporization for at 25 = 44.02 , at 100 = 40.67 , calculate the entropy change for the vaporization of water at 25 and at 100 .
A mixture of potassium chloride and potassium bromide weighing 3.595 g was heated with chlorine which converted the mixture completely to potassium chloride.
Determine the probability that exactly two of these vehicles require warranty service. Compute the mean and standard deviation of this probability distribution.
One mole of an ideal gas is expanded at T = 300 K from a volume of 1.00 liter to a volume of 10.00 liters against a constant external pressure of 1.00 atm. How much work is performed on the surroundings?
What is the concentration of dissolved sulfate in the water once equilibrium is achieved? If additional 10 grams is added, what would be the new equilibrium concentration of calcium sulfate?
A technician monitors a group of five computers that run an automated manufacturing facility. It takes an average of 15 minutes (exponentially distributed) to adjust a computer that develops a problem. The computer run for an average of 85 minutes
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