1.

A 100L rigid tank contains nitrogen at 3 MPa, 900 K. The tank is then cooled to 100 K. What is the heat transfer for this process?

A. ‚àí490.7 kJ
B. ‚àí590.7 kJ
C. ‚àí690.7 kJ
D. ‚àí790.7 kJ
Answer» D. ‚Äö√Ñ√∂‚àö‚Ć‚àö‚â†790.7 kJ


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