Consider the reversible isothermal expansion of an ideal gas in a closed system at two different temperatures T1 and T2 (T1 < T2). The correct graphical depiction of the dependence of work done (w) on the final volume (V) is:
a.
b.
c.
d.
a.
b.
c.
d.
Question ID - 51661 | SaraNextGen Top Answer Consider the reversible isothermal expansion of an ideal gas in a closed system at two different temperatures T1 and T2 (T1 < T2). The correct graphical depiction of the dependence of work done (w) on the final volume (V) is:
a.
b.
c.
d.
Consider the reversible isothermal expansion of an ideal gas in a closed system at two different temperatures T1 and T2 (T1 < T2). The correct graphical depiction of the dependence of work done (w) on the final volume (V) is:
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a. |
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b. |
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c. |
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d. |
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1 Answer
127 votes
Answer Key / Explanation : (b) -
W= −nRT ln
W= −nRT ln
=−nRT ln
=−nRT(lnVb−lnVi)
=−nRT ln Vb−nRT lnVi
Y=m x−C
So, slope of curve 2 is more than curve 1 and intercept of curve 2 is more negative then curve 1
127 votes
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127