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Adriane Baun

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## Homework Statement

A Carnot engine absorbed 1.0 kJ of heat at 300 K, and exhausted 400 J of heat at the end of the cycle. What is the temperature at the end of the cycle?

## Homework Equations

The efficiency of a Carnot engine is given by the formula

Efficiency = 1 – Qc/Qh

= 1 – Tc/Th

## The Attempt at a Solution

Efficiency = 1 – 300J/1000J

= 0.7 = 70%

0.7 = 1 – Tc/Th = 1 – Tc/300K

Tc = 90K

Is it correct? I am trying to self study the topic Carnot cycle for a report