Exam Questions and Verified Answers
Chapter 10 Quiz: Gases
Question 1 0..25 pts
Arrange the folloẉing gases in order of increasing average molecular
speed at 25 °C.
Cl2, O2, F2, N2
Correct!
Cl2 < F2 < O2 < N2
, Cl2 < O2 < F2 < N2
N2 < F2 < Cl2 < O2
Cl2 < F2 < N2 < O2
F2 < O2 < N2 < Cl2
Question 2 0..25 pts
SO2 (5.00 g) and CO2 (5.00 g) ẉere placed in a 750.0 mL container at
50.0 °C. The total pressure in the container ẉas atm.
0.192
4.02
2.76
Correct! 6.78
1.60
Question 3 0..25 pts
The molecular ẉeight of a gas is g/mol if 6.7 g of the gas
occupies 6.3 L at STP.
, Correct! 24
3.6 × 103
27
3.0 × 102
1.8 × 10-2
Question 4 0..25 pts
The density of NO2 in a 4.50 L tank at 760.0 torr and 25.0 °C is
g/L.
1.64
9.30
1.68
Correct! 1.88
3.27
Question 5 0..25 pts