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Charles Law Calculator

To use Charles law calculator, fill the required input boxes and click the calculate button

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Formula:
T2 = V2 x T1 V1
L
K
L
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Charles law calculator is used to find the initial & final volume and the initial & final temperature of an ideal gas. This tool calculates the missing values of the formula of the Charles law.

What is Charles's law?

Charles law is a statement that the volume occupied by a fixed amount of gas is directly proportional to its absolute temperature if the pressure remains constant.

Formula of Charles law

Charles law formula

How to calculate the volume of gas using Charles's law?

Below is a solved example of Charles's law.

Example

Find the final volume (V2) of the gas by using Charles law, if V1 = 12L, T1 = 4K, & T2 = 8k.

Solution

Step 1: Identify the given terms of volume and temperature.

Initial temperature = T­1 = 4k

Final temperature = T2 = 8k

Initial volume = V1 = 12L

Final volume = V2 =?

Step 2: Substitute the given terms in the formula of Charles's law.

V1/T1 = V2/T2

12L/4K = V2/8k

(12L/4K) * 8k = V2

3L * 8 = V2

24L = V2

Hence the final volume of the gas is 24L.

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