Question 1
Which gas has molecules with the
greatest average molecular speed at 25°C?
◦ CH
4◦ Kr
◦ N
2◦ CO
2◦ Ar
Question 2
Which of the following describes Dalton's Law?
◦ The pressure of a gas is proportional to its volume
◦ The total pressure of a gas mixture is the sum of the partial pressures of each gas in the mixture
◦ The temperature of a gas is proportional to its volume
◦ Only one variable can be changed from an initial state to a final state for a gas
