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CC - P2 - Promo 2028
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Entropy can be interpreted as:
A solid with a specific heat capacity c = 900 \, \text{J/mol·K}c=900J/kg.K and a mass of 1 kg is initially at Ti=400 KT_i = 400\, \text{K}. It is brought into contact with a thermal reservoir at Tf=300 KT_f = 300\, \text{K} and reaches this final temperature irreversibly. What is the entropy change of the solid?
Which sentences are correct?
A quantity of heat Q = 1000 J is transferred reversibly at a constant temperature of 400 K. What is the entropy change?
The efficiency of a Carnot cycle depends only on:
The theoretical efficiency of a Carnot engine exchanging with a hot source at temperature Th and a cold source at temperature Tc is:
A solid with a specific heat capacity c=900J/kg.K and a mass of 1 kg is initially at Ti=400 K. It is brought into contact with a thermal reservoir at Tf=300 K and reaches this final temperature irreversibly. What is the entropy change of the thermal reservoir?
An ideal gas undergoes a reversible heating from 300 K to 600 K at constant pressure. Its molar heat capacity at constant pressure is Cp = 29 J/mol·K. What is the entropy change for 1 mole?
Given : Cv=nR/( -1) ; Cp/Cv= ; PV =constante ; TV-1 = constante et TP(1- /) =constante