What is the final (equilibrium) temperature in the thermos

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Reference no: EM13964644

Problem 1:

200 grams of boiling water and 100 grams of ice-cold liquid water are combined in a sealed thermos bottle.

(a) What is the final (equilibrium) temperature in the thermos?
Hints:C = specific heat of water = 4.186 J/gm0K

(b) What is the change in entropy for the parts (hot water and cold water) of the system, and for the system as a whole?
Hints: HF = 333.55 J/K, C = 4.19J/g

Problem 2:

(a)What is the maximum possible efficiency of a steam engine operating between the temperatures of freezing water (0C) and burning books (451F ~ 233C)?

(b)What is the maximum possible efficiency of a steam engine operating between the temperatures of boiling water (100C) and burning books (451F ~ 233C)?

(c) Which operating range is more efficient? Why?
Hint: 273K= 0C

Reference no: EM13964644

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