A football was inflated to a gauge
pressure of 1 bar when the ambient temperature was. 150 C when the
game started next day, the air temperature at the stadium was 50 C.
Assume that the volume of the football remains constant at 2500 cm3.
The amount of heat lost by the air in the football and the gauge pressure of
air in the football at the stadium respectively equal to ________.
30.6 J and 1.94 bar
21.8 J and 0.93 bar
61.1 J and 1.94 bar
43.7 J and 0.93 bar
43.7 J and 0.93 bar
Hence, the correct option is (D).
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