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Question

On a ship sailing in the Pacific ocean, where the temperature is 27 C, a balloon is filled with 2 L air. What will be the volume of the balloon when the ship reaches the Indian ocean where the temperature is 29 C ? (Assume pressure is constant) [2 marks]

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Solution

According to Charles' law:

V1T1=V2T2 [0.5 marks]

V1 = 2 L, V2 = ?

T1 = 273 + 27 = 300K [0.5 marks]
T2 = 273 + 29 = 3021K [0.5 marks]

Therefore, V2=V1×T2T1= 2×302300 = 2.01 L [0.5 marks]

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