# What was the purpose of using the Ideal Gas Law in this experiment?

## What was the purpose of using the Ideal Gas Law in this experiment?

The objective of this experiment is to measure the volume and pressure of a given amount of gas for constant as well as varying temperatures and study the relation between pressure, volume, and temperature of a gas.

## How do you find the ideal gas constant in an experiment?

The ideal gas constant R can be found experimentally by determining the number of moles of a gas that occupies a particular measured volume at a known pressure and temperature. This information is determined in this lab by collecting oxygen generated by the decomposition of potassium chlorate over water.

What are the sources of error in an Ideal Gas Law experiment?

They might come from: uncalibrated instruments (balances, etc.), impure reagents, leaks, unaccounted temperature effects, biases in using equipment, mislabelled or confusing scales, seeing hoped-for small effects, or pressure differences between barometer and experiment caused by air conditioning.

How do you get ideal gas equation from the gas laws?

The ideal gas equation is formulated as: PV = nRT. In this equation, P refers to the pressure of the ideal gas, V is the volume of the ideal gas, n is the total amount of ideal gas that is measured in terms of moles, R is the universal gas constant, and T is the temperature.

### What is meant by ideal gas in physics?

The term ideal gas refers to a hypothetical gas composed of molecules which follow a few rules: Ideal gas molecules do not attract or repel each other. The only interaction between ideal gas molecules would be an elastic collision upon impact with each other or an elastic collision with the walls of the container.

### What is the experimental value of the universal gas constant?

0.0821 L
Chemists measure pressure in atmospheres, volume in liters, quantity in moles and temperature in kelvins. The accepted value for the gas constant R is 0.0821 L·atm/mol·K. In this experiment, hydrogen gas will be collected in a calibrated tube called a eudiometer.

How do you calculate the average gas constant R?

The value of the gas constant ‘R’ depends on the units used for pressure, volume and temperature.

1. R = 0.0821 liter·atm/mol·K.
2. R = 8.3145 J/mol·K.
3. R = 8.2057 m3·atm/mol·K.
4. R = 62.3637 L·Torr/mol·K or L·mmHg/mol·K.

What is the conclusion of Boyle law experiment?

Conclusion. If the volume of the gas decreases, the pressure of the gas increases. If the volume of the gas increases, the pressure decreases. These results support Boyle’s law.

#### What are examples of random errors?

Random Error Example and Causes

• When weighing yourself on a scale, you position yourself slightly differently each time.
• When taking a volume reading in a flask, you may read the value from a different angle each time.

#### What is ideal gas equation explain?

What is the equation for the ideal gas?

The ideal gas equation is defined as the relationship between Boyle’s law, Charles law & Avogadro’s law. It is given as PV=nRT where R is the ideal gas constant.

What is meant by ideal gas law?

“The ideal gas law is the equation of state of a hypothetical ideal gas. It is a good approximation of the behaviour of many gases under many conditions, although it has several limitations”. Equation of Ideal Gas Law Ideal Gas Equation Units What is Ideal gas?

## What is idideal gas equation?

Ideal Gas Equation is the equation defining the states of the hypothetical gases expressed mathematically by the combinations of empirical and physical constants. It is also called the general gas equation.

## Is there such a thing as ideal gas?

Although there is no ideal gas, all real gas tends to approach that property when the density gets low enough. This is possible because the molecules of the gas are so far apart from one another that they do not interact with each other.

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