Entropy: A 610-g quantity of an ideal gas undergoes a reversible isothermal compression at a temperature of The compression reduces the volume of the gas from initially, to finally. The molecular mass of the gas is and the ideal gas constant is R = 8.314 J/(mol∙K). The entropy change for the gas is closest to
A) -99 J/K.
B) -81 J/K.
C) 99 J/K.
D) 81 J/K.
E) 0.00 J/K.

Question

Entropy: A 610-g quantity of an ideal gas undergoes a reversible isothermal compression at a temperature of  The compression reduces the volume of the gas from  initially, to  finally. The molecular mass of the gas is  and the ideal gas constant is R = 8.314 J/(mol∙K). The entropy change for the gas is closest to
A) -99 J/K. 
B) -81 J/K. 
C) 99 J/K. 
D) 81 J/K. 
E) 0.00 J/K.

Quizplus · Accepted Answer

The Answer of Entropy: A 610-g quantity of an ideal gas undergoes a reversible isothermal compression at a temperature of  The compression reduces the volume of the gas from  initially, to  finally. The molecular mass of the gas is  and the ideal gas constant is R = 8.314 J/(mol∙K). The entropy change for the gas is closest to
A) -99 J/K. 
B) -81 J/K. 
C) 99 J/K. 
D) 81 J/K. 
E) 0.00 J/K.

Entropy: a 610-G Quantity of an Ideal Gas Undergoes a Reversible