Chemistry Homework Help

Browse Homework Solutions

234 solutions

The Ideal Gas Law

Q. Magnesium metal is reacted with hydrochloric acid to produce hydrogen gas. A sample of hydrogen gas is collected over water in a eudiometer. Calculate the mass (in grams) of magnesium metal needed to produce 39.0 mL of hydrogen gas at an atmospheric pressure of 739 mmHg and a temperature of 25.9°C.

Solved • Apr 9, 2020

The Ideal Gas Law

Q. A mixture consisting of 0.120 mol N2, 0.018 mol O2, 112 mol CH4, and an unknown amount of CO2 occupies a volume of 9.04 l at 25 °C and 1.17 atm pressure. How many moles of CO2 are there in this sample? A. 0.750 mol B. 0.182 mol C. 2.06 mol D. 4.90 mol E. 0.432 mol

Solved • Apr 8, 2020

The Ideal Gas Law

Q. Which of the following gases deviates most from ideal behavior? A. nitrogen B. oxygen C. methane D. ammonia E. hydrogen

Solved • Apr 8, 2020

The Ideal Gas Law

Q. Which of the following is least true for ideal gases? A. strong intermolecular forces of attraction B. easily compressed C. individual particles in constant random motion D. fill the entire volume of a container E. low viscosity

Solved • Apr 8, 2020

The Ideal Gas Law

Q. A sample of nitrogen gas is confined to a 14.0 L container at 375 torr and 37.0°C. How many moles of nitrogen are in the container? A. 0.271 mol B. 2.27 mol C. 3.69 mol D. 206 mol E. 227 mol

Solved • Apr 3, 2020

The Ideal Gas Law

Q. A mixture of three gases containing an equal number of moles of each gas has a total pressure of 6.0 atm. What is the partial pressure of each gas?

Solved • Apr 1, 2020

The Ideal Gas Law

Q. Determine the number of moles of vaporized unknown, mol. Pressure = 0.9927 atm Volume = 0 .16 R= 0.08205 Temp = 366.75 K

Solved • Apr 1, 2020