# Ideal Gas Law Problems With Answers5 min read

The ideal gas law states that the pressure (P) of a gas is directly proportional to the Kelvin temperature (T) and inversely proportional to the volume (V) of the gas.

This law can be written mathematically as:

P = kT/V

Where k is a constant.

The ideal gas law is often used to calculate the changes in pressure, temperature, and volume of a gas when it is changed from one state to another.

The following are a few examples of how to solve ideal gas law problems:

1) A gas has a pressure of 2.0 atm and a volume of 0.50 liters. What is the temperature of the gas?

P = kT/V

2.0 atm = k(300 Kelvin)/0.50 liters

k = 4.0

Therefore, the temperature of the gas is 300 Kelvin.

2) A gas has a temperature of 400 Kelvin and a volume of 2.0 liters. What is the pressure of the gas?

P = kT/V

400 Kelvin = k(300 Kelvin)/2.0 liters

k = 1.5

Therefore, the pressure of the gas is 1.5 atm.

3) A gas has a volume of 0.50 liters and a pressure of 2.0 atm. What is the temperature of the gas?

P = kT/V

2.0 atm = k(T)/.50 liters

T = 4.0

Therefore, the temperature of the gas is 400 Kelvin.

Table of Contents

- 1 How do you solve an ideal gas law problem?
- 2 What is a ideal gas law problem?
- 3 How do you solve moles for ideal gas law?
- 4 At what temperature would 2 moles of n2 gas have a pressure of 1.25 atm and in a 25.0 L tank?
- 5 What is ideal gas equation example?
- 6 What is an ideal gas example?
- 7 How do you solve for n in PV nRT?

## How do you solve an ideal gas law problem?

An ideal gas law problem can be solved using the ideal gas equation, which is PV = nRT. This equation can be rearranged to solve for any of the variables, depending on the problem. To solve for pressure, for example, P = nRT/V.

To solve an ideal gas law problem, first identify the variables in the problem and what is being asked. Next, rearrange the equation to solve for the desired variable. Finally, plug in the appropriate values and solve.

## What is a ideal gas law problem?

A gas law problem is a problem that can be solved using the ideal gas law. The ideal gas law is a mathematical equation that describes the relationship between the pressure, volume, and temperature of a gas. It can be used to solve problems involving the Ideal Gas Constant (R), the molar mass of the gas, and the temperature in kelvins.

## How do you solve moles for ideal gas law?

When solving for the moles in the ideal gas law, there are a few different steps that can be taken. The most important thing to remember is that the moles must be in equilibrium with the gas particles in order to get the most accurate result.

The first step is to convert the pressure, volume, and temperature into their corresponding SI units. This can be done using the following equation:

P = pressure (Pa)

V = volume (m3)

T = temperature (K)

Next, the ideal gas law can be rearranged to solve for the moles:

n = PV/RT

Finally, the moles can be converted to grams by using the molecular weight of the gas particles.

## At what temperature would 2 moles of n2 gas have a pressure of 1.25 atm and in a 25.0 L tank?

At what temperature would 2 moles of nitrogen gas have a pressure of 1.25 atm and in a 25.0 L tank?

The answer to this question is dependent on the temperature of the gas. If the gas is at a temperature of 273 Kelvin, then the pressure would be 1.25 atm. If the gas is at a temperature of 298 Kelvin, then the pressure would be 1.25 atm.

## What is ideal gas equation example?

The ideal gas equation is a mathematical model that describes the behavior of an ideal gas. An ideal gas is a gas that obeys the following three laws of motion:

1. The gas molecule is an independent particle that obeys the laws of classical mechanics.

2. The gas is composed of a large number of molecules that are in constant motion and collisions between molecules are elastic.

3. The gas molecules are assumed to occupy a negligible volume in comparison to the total volume of the gas.

The ideal gas equation is written as:

PV = nRT

Where:

P = Pressure

V = Volume

n = Number of moles of gas

R = Universal gas constant

T = Temperature

## What is an ideal gas example?

An ideal gas is a gas that behaves in an idealized way, obeying the laws of thermodynamics. These gases have very low viscosity and interact with each other only through collisions. Ideal gases are often used as models for other gases.

An ideal gas has a constant temperature and pressure. It does not experience any forces other than collisions with other particles. It also does not have any volume.

An ideal gas can be described by the ideal gas law, which states that the pressure of the gas is proportional to the temperature and the volume. The ideal gas law can be written using the following equation:

PV = nRT

In this equation, P is the pressure of the gas, V is the volume of the gas, n is the number of moles of the gas, R is the ideal gas constant, and T is the temperature of the gas.

## How do you solve for n in PV nRT?

In chemistry, the ideal gas law is a gas law that combines the perfect gas law and the Boyle’s law. The ideal gas law is also called the equation of state for a perfect gas. The ideal gas law states that the pressure P of a gas is proportional to its temperature T and inversely proportional to its volume V:

P = kT / V

where k is a constant.

The ideal gas law can be rearranged to find the value of any of the variables given the other two. For example, if you know the pressure and volume of a gas, you can use the ideal gas law to find the temperature:

T = (P × V) / k