Heat and Thermodynamics Temperature of a substance is———–temperature scale conversion The average global temperature on Mars———–temperature scale conversion 700 J of work is done on a system————-find energy transferred 1000 J of heat is transferred to a system————find change in thermal energy A heat engine extracts 500 J—————find work done, efficiency What is the efficiency of a heat engine—————find efficiency A heat engine does a work of 250 J—————-find heat extracted and exhausted A power plant generating 400 MW————-find rate of heat exhausted A heat engine is operating between energy reservoirs-at————-find heat extracted and exhausted A heat pump removes 35 J of energy—————find coefficient of performance A refrigerator with a coefficient of performance of 3.5————-find heat extracted and exhausted A heat pump is used to heat up a house in winter—————find coefficient of performance Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... Related