If 500 cm3 of gas, having a pressure of 760 millimeters of
mercury, is compressed into a volume of 300 cm3
the temperature remaining constant, the pressure of the gas will be?
in millimeters of mercury, approximately:
A. 500
B. 900
C. 1,100
D. 1,270
E. 1,500
Answers
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Answer:
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Explanation:
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Given - Initial Pressure of gas - 760 mm of Hg.
Initial Volume of gas - 560 cm³
Final volume of gas - 300 cm³
Find - Final pressure of gas
Solution - The pressure of gas can be calculated by the help of formula - P1V1 = P2V2. In the equation, P1 and P2 are initial and final pressures and V1 and V2 are initial and final pressures.
Keeping the values in equation-
760*500 = P2*300
P2 = 1266.67 mm of Hg.
Hence, the pressure of gas is 1266.67 mm of Hg and the correct option closest to answer is D. 1,270.
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