Calculate the entropy change for the vaporization of water
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 .
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The Henry's law constant for hydrogen in water at 25 C is 7.8 \times 10^ 4 mol/L *atm. Estimate the number of moles of hydrogen gas that remain dissolved in the solution.
According to news reports in early 1995, among the first Pentium chips Intel made, some had a peculiar defect, which rendered some rarely carried-out arithmetic operations incorrect.
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.
A mixture of potassium chloride and potassium bromide weighing 3.595 g was heated with chlorine which converted the mixture completely to potassium chloride.
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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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?
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