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Molten lava from a volcano includes pockets of gases. A sample of lava contains 0.75 L of water vapour at 1170°C. What volume will the water vapour occupy when it cools to 120°C?
note: I did the question and got 0.07L but my answer sheet says it's 0.20L I don’t really understand how to get 0.20L as my final answer?

Respuesta :

Charle's law states the relationship between the temperature and the volume of the gas. The final volume occupied at 120 °C is 0.20 L.

What is Charle's law?

Charle's law is the ideal gas law that states the relationship between the volume of the gas occupied at a temperature.

Given,

V1 = 0.75 L

T1 = 1443 .15 K

T2 = 393.15 K

The final volume is calculated as:

(V1 × T2) ÷ T1

= 0.75 × 393.15 ÷ 1443.15

= 0.20 L

Therefore, 0.20 L is the final volume.

Learn more about Charle's law here:

https://brainly.com/question/14517633

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