Question

A gas at 10°C has its temperature raised so that its volume is doubled the pressure remaining constant. What is its final temperature.(With complete solution)​

Answer 1

Given :

Initial temperature of gas = 10°C

Volume of gas is doubled at constant pressure.

To Find :

Final temperature of gas$.$

Concept :

As per charles'law, Pressure remaining constant, the vloume of a fixed mass of a gas is directly proportional to its absolute temperature.

Mathematically : V ∝ T

So we can say that, V/V' = T/T'

• V : Initial volume
• V' : Final volume
• T : Initial temperature
• T' : Final temperature

First of all we need to convert the temperature into kelvin.

We know that, 0°C = 273K

∴ 10°C = 10 + 273 = 283K

Calculation :

→ V/V' = T/T'

→ V/2V' = 283/T'

→ T' = 283 × 2

→ T' = 566K = 293°C