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Homework 1 (100 pts)
Due: Sep. 7th, 7am UTC Learn
YOU MUST SHOW YOUR WORK
The air tanks used by a certain fire department each contain 60.0 L of air at a pressure of
200.0 atm and a temperature of 293 K. Assume the average fire
Due: Sept. 14, 2016
Show your work
A piston/cylinder containing 6.00 moles of SF6 vapor is heated and compressed. The
heat added is 175 J, and the work done on the gas is 124 J. Calculate in Joules U, the
change in inter
Due: Sept. 28, 2016
You must show your work.
Calculate the change in the entropy of the system, when the volume of a sample of argon
gas of mass 21 g at 298 K and 1.50 bar increases from 1.20 dm 3 to 4.60 dm3 in an
Due: Oct. 28, 2016
The vapour pressure of 2-propanol is 50.00 kPa at 338.8C, but it fell to 49.62 kPa when 8.69
g of an involatile organic compound was dissolved in 250 g of 2-propanol. Calculate the
molar mass of the co
Due: Oct. 3, 2016
How many phases are resent at each of the points marked in the figure?
What is the maximum number of phases that can be in mutual equilibrium in a four
(a) Use data from Table 2C
Nov. 4, 2016
1. What is KP at 23 C for the following reaction?
SO2(g) + NO2(g) SO3(g) + NO(g)
From information in the Data section from the textbook,