Short Answer Practice
Propane is contained in a cylinder at 4 atm and 25 °C. What equation would you use to determine if this is an ideal gas?
Chapter 5
Short Answer Practice
A piston compresses a cylinder filled with water vapor at a constant rate. Plot the pressure in the cylinder versus time.
Chapter 5
Short Answer Practice
List the physical properties you have to look up to use the SRK EOS.
Use the charts on pages 208-210 of your book to determine the compressibility factor for a system with Pr = 5 and Vr = 0.3.
Chapter 5
Short Answer Practice:
You use a can of compressed air to clean your computer keyboard. When you squeeze the trigger the can quickly cools. Why?
Chapter 5
Short Answer Practice:
Explain why "350 m3(STP)/h of nitrogen at 25oC and 3.5 atm" looks like a contradiction but is not one.
Chapter 5
Short Answer Practice:
If the compressibility factor of a gas (of known temperature and molar volume) in a cylinder is 2, what is the ratio of the actual pressure in the vessel compared to that if you assumed an ideal gas?
Chapter 5
Short Answer Practice:
How can you tell if a gas is ideal?
Chapter 5
Short Answer Practice:
• Which egg cooks slower, one boiled in Colorado or one boiled at Carolina Beach, NC?
• Two eggs are placed in boiling water at sea level and cooked to the identical degree of doneness, one on a sunny and one on a cloudy day. The air temperature is the same on both days. Which egg would take longer to cook?
Chapter 5
Short Answer Practice:
Given a volumetric flowrate of a gas at STP, what is the easiest way to find the molar flowrate?
Chapter 5
Short Answer Practice
The volumetric flow rate of CCl4 (r = 1.595 g/cm3) is 50 cm3/min. What is the mass flow rate of the CCl4?
Chapter 5