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Sagot :
Answer:
A
Explanation:
Correct option is A)
We know that pressure of a gas is inversely proportional to its volume (Boyle's Law). So, one of the gas equations can be written as-
P 1 V 1 =P 2 V 2 , where P 1 and V 1 are the initial conditions of pressure and v olume of a gas. And P 2 and V 2 are the final conditions of pressure and volume of the gas. In the question given, P 1 is 5atm. The value of V 1 IS 25L. The final pressure is unknown and let it be P 2 , whereas, the final volume is reduced to 5L. Putting all these values in the above mentioned equation we get, P 1 V 1 =P 2 V 2 Or, 5×5=P 2 ×5 Or P 2 = 5 125 P 2 = 25 atm.
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