A 500-W motor operates a Carnot refrigerator between −5 °C and 30 °C . (a) What is the amount of heat per second extracted from the inside of the refrigerator? (b) How much heat is exhausted to the outside air per second?

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Q: A heat engine has quarter the thermal efficiency of a carnot engine operating between 85C and 445C.…

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Q: Suppose a heat engine is connected to two energy reservoirs, one a pool of molten aluminum (660°C)…

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Q: Calculate the net work output of a heat engine following path ABCDA in the figure below.

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Q: Calculate the net work output (in ) of a heat engine following path ABCDA in the figure, where v,-…

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Q: A cylindrical copper rod of length 1.50 m and radius 2.00 cm is insulated to prevent heat loss…

A: The given values are,

Q: The coefficient of performance for a freezer is 7.8. How much heat must be extracted by the freezer…

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Q: If 5.0 J of heat are extracted from the cold reservoir of a Carnot refrigerator operated between…

A:

Q: What is the maximum possible (Carnot) efficiency of a heat engine operating between 20°C and 600°C?…

A: The initial temperature T1 = 20° = 20+273 = 293K The final temperature T2 = 600°C = 600+273 = 873K…

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Q: A 2.00 L container of left-over soup at a temperature of 323 K is placed in a refrigerator. Assume…

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Q: Suppose 150 Joules of work is done on a system and that 300 Joules of heat are delivered to the…

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Q: energy of cycle comprising four process in which the heat transfers are: 60 kJ/kg, -28 kJ/kg, -35…

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Q: *101. ao ssm An ideal, or Carnot, heat pump is used to heat a house to a temperature of 294 K (21…

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Q: P (10º N/m³)| 2.6 A 2.0 B 1.0 0.6 1.0 4.0 V (10° m³) Figure 15.42 15. What is the net work output of…

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Q: A completely reversible refrigerator operates between thermal energy reservoirs at 450 R and 540 R.…

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Q: A Carnot engine operates between 170 degrees C and 20 degrees C. How much ice can the engine melt…

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Q: Is the efficiency of a heat engine more in hilly areas than in the plains? Why?

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Q: P (10° N/m) PA P3 A D Po V8 V (10° m) VA

A:

Q: A Carnot refrigerator extracts heat from a freezer at -5 degree C and exhausts it at 25 degree C .…

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Q: A refrigerator works between temperatures TA = 105°C and TB = 5°C and has a quarter of the maximum…

A: Given:T1=105°C=378 KT2=5°C=278 Krate of work done Wt=30 watts

Q: What is the minimum work required of a refrigerator if it is to extract 50 J per cycle from the…

A: The expression for work done by the refrigerator is,

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A: Given data :- Decrease in internal energy ∆U = -460 J Work done on the system W = -204 J

Q: P (10º N/m²)´ 2.6 2.0 B D 1.0 0.6 V1 V2 V (10-3 m)

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Q: In a very mild winter climate, a heat pump has heat transfer from an environment at 5.00ºC to one at…

A: Given: Tc = 5 degree C = 278 K  Th = 35 degree C = 308 K

Q: C. How much ice can the engine melt from its exhaust after it has done 5.5 ✕ 104 J of work? (The…

A: GIVEN: Temperatures T1=170+273=443 K T2=21+273=294 K Work W=5.5(104) J  L=3.33(105) J

Q: (2) lihäi The coefficient of performance of a heat pump that is removing heat from the cold outdoors…

A: