Chemistry Homework Help

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33 solutions

Ideal Gas Law Density

#### Q. What is the molar mass of an unknown hydrocarbon whose density is measured to be 1.97 g/L at STP?

Solved • Nov 3, 2019

Ideal Gas Law Density

#### Q. A chemistry student found the density of Freon-11 (CFCl3) to be 5.58 g/L under her experimental conditions. Her measurements showed that the density of an unknown gas was 4.38 g/L under the same conditions. What is the molar mass of the unknown?

Solved • Nov 3, 2019

Ideal Gas Law Density

#### Q. The density of NO2 in a 4.98 L tank at 799.4 torr and 43.5 °C is ________ g/L.

Solved • Nov 2, 2019

Ideal Gas Law Density

#### Q. The density of Chlorine, Cl2 gas at 25°C and 60 kPa is ___ g/L. Please make is simple so I will understand it.

Solved • Oct 29, 2019

Ideal Gas Law Density

#### Q. A compound contains only oxygen and fluorine and is 45.7% oxygen by mass. A gaseous sample of the compound has a density of 2.90 g/L at 986 torr and 108°C. What is the molecular formula of the compound?

Solved • Oct 29, 2019

Ideal Gas Law Density

#### Q. Which has the higher mass density (g/L): a sample of O2 with a volume of 10 L, or a sample of Cl2 with a volume of 3 L? Both samples are at the same temperature and pressure. a) it depends on the value of the temperature and pressure b) the Cl2 c) the O2 d) they are the same

Solved • Sep 12, 2019

Ideal Gas Law Density

#### Q. You have a sample of H2 gas and Ar gas at the same temperature and pressure, but the H2 gas has twice the volume of Ar gas. Assuming the gases behave ideally, which gas has the larger NUMBER DENSITY (gas particles per volume)? a) the Ar gas b) the H2 gas c) It depends on the value of the temperature and the pressure d) they are the same

Solved • Sep 12, 2019