1. Which of the following is not a gas mixture?
a.) air. b.) smelly farts c.) chimney fumes d.) Butane.
2. In which of the following gas mixture of N2 and He is the partial pressure of He the greatest?
A. 2 moles N2, 3 moles He
B. 3 moles N2, 1 mole He
C. 4 moles N2, 2 moles He
D. 5 moles N2, 5 moles He
3. Which of the following systems will have the greatest volume at STP?
A.) 1.00g N2 (MM = 28g/mol)
B.) 1.00g NH3 (MM= 17g/mol)
C.) 1.00g He (MM = 4g/mol)
D.) 1.00g CO2 (MM= 44g/mol)
4. Which of the following will contain the greatest number of molecules at 300K at atm pressure?
A. 0.01 L
B. 0.10 L
C. 1.00 L
D. 10.0 L
5. How much carbon dioxide is there in a 3.4 L balloon at SATP?
ANSWER:______
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