Helium gas expands in a piston-cylinder in a polytropic process with n=1.67. Is the work positive, negative or zero?
1 answer:
Answer:
work will be positive when it is under polytropic expansion process
Explanation:
It states a polytropic process with n equal to 1.67. there is a polytropic expansion that mean work is positive and if it was polytropic compression then it would be negative
Also work during the process of polytropic is given as
the work will be positive when it is under the polytropic expansion process
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