10. A certain heat engine draws 500 cal/s from a water bath at 27°C and transfers 400cal/s toa reservoir at a lower temperature. The efficiency of this engine is:a. 80%b. 75%c. 55%d. 20% 9. Which of the following statements will always apply when a reversible chemicalreaction has attained equilibrium?a. All reactants will convert to productsb. The reaction proceeds alternately in the forward and reversed directionc. The Gibbs free energy of the system reaches a minimumd. The forward reaction will dominate over the reverse reaction

Given data: The heat draws from the water is Qin=500 cal/s. The heat transfers to the reservoir is…

Answered: 10. A certain heat engine draws 500…

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10. A certain heat engine draws 500 cal/s from a water bath at 27°C and transfers 400 cal/s toa reservoir at a lower temperature. The efficiency of this engine is: a. 80% b. 75% c. 55% d. 20%