A Volume V absolute temperature T diagram was obtained when a given mass of gas was heated. During the heating process fro nm state 1 to 2, the pressure
A
remains constant
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B
Decreased
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C
Changed eratically
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D
Increased
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Solution
The correct option is B remains constant since V-T curve is a straight line, by Charle's law, we get that the pressure must be constant for this process