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# A heat engine uses 2.0 mol of a monoatomic gas for the working substance. How do I find how much heat is transfered to or from the system during...

A heat engine uses 2.0 mol of a monoatomic gas for the working substance.

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How do I find how much heat is transfered to or from the system during process 1 → 2.

How much work is done each cycle by the engine.

What is the efficiency for this engine.

Attached is a detailed explanation... View the full answer

(I)  Q 12  = 3000 J ( heat transfer from the system during... View the full answer

• I'm confused why the heat transferred is 3000J because the answer in the book is 7500J. Thanks!
• Nellywelly17
• Aug 08, 2018 at 10:31am
• So sorry, my answer is wrong ΔU is not equal to zero.
• ShubhamVyas
• Aug 08, 2018 at 10:36am

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