Question: A heat engine that contains a monoatomic gas is given by the following pV diagram. Questions (19) to (30) are based on this information. 180

A heat engine that contains a monoatomic gas is given by the following pV diagram. Questions (19) to (30) are based on this information. 180 K isotherm p(kPa) 20 + 10 - 0+ O 100 200 300 V ( dm3) Question 20 The number of moles in the gas is ( round off your answer to two digits) a. 0.016 moles 23 b. 2.34 moles 6. 02 x 10 c. 1.34 moles d. 5.0 moles e. None of the above

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