Chemistry Chapter 1B

25 July 2022
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question
Under which conditions of temperature and pressure does a real gas behave most like an ideal gas?
answer
High temperature and low pressure
question
According to kinetic molecular theory for an ideal gas, all pas particles
answer
Are in random, constant, straight-line motion
question
Which gas sample at STP has the same number of molecules as a 2.0-liter sample of Cl2(g) at STP?
answer
2.0L of CH4(g)
question
According to the kinetic molecular theory, which statement describes an ideal gas?
answer
There are no attractive forces between the gas particles
question
A rigid cylinder with a movable piston contains 50.0 liters of a gas at 30.0 degrees C with a pressure of 1.00 atmosphere. What is the volume of the gas in the cylinder at STP?
answer
45.0 L
question
At STP, a 1-liter sample of Ne(g) the and a 1-liter sample of Kr(g) have the same
answer
Number of atoms
question
A rigid cylinder with a movable piston contains a sample of gas. At 300K, this sample has a pressure of 240 kilopascals and a volume of this sample when the temperature is changed to 150K and the pressure is changed to 160 kilopascals?
answer
52.5 mL
question
Based on Table H, state the vapor pressure of ethanol at 75 degrees C.
answer
86 kPa
question
Which statement describes particles of an ideal gas, based on the kinetic molecular theory?
answer
Gas particles have no attractive forces between them.
question
A sample of hydrogen gas will behave most like an ideal gas under the conditions of
answer
Low pressure and high temperature
question
At STP, which sample contains the same number of molecules as 3.0 liters of H2(g)?
answer
3.0 L of CH4(g)