m/s²). Problem 5-Thermodynamics A household refrigerator absorbs heat from the freezer compartment at a temperature of -

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M S Problem 5 Thermodynamics A Household Refrigerator Absorbs Heat From The Freezer Compartment At A Temperature Of 1 (39.31 KiB) Viewed 15 times

m/s²). Problem 5-Thermodynamics A household refrigerator absorbs heat from the freezer compartment at a temperature of -10°C and exhausts it out into the room at 40°C. The coefficient of performance and power are 2.5 and 200W respectively. a) How much time is required by this refrigerator to change 1 kg of water at 40°C to the same mass of ice at -10°C? b) If this refrigerator were an ideal refrigerator, then what would be its 'coefficient of performance' rating? c) An ideal monoatomic gas is expanded from an initial state (PA = 100.0 kPa, VA = 0.5 m³) to an intermediate state (Ps= 50.0 kPa, Vs) adial then it is further expanded to a final state (Pc = 50.0 kPa, Vc = 2.0 m³) in an isobaric process. Calculate the volume Va and the total work gas for the whole process (Hint: 2-2/5= 0.76).