Which of the substances A, B or C has the highest specefic heat? The temperature vs heat graph is:
Correct answer: C. C
- A. A
- B. B
- C. C
- D. All have equal specefic heats
Explanation
Specific heat capacity is inversely proportional to the change in temperature. as C= ΔQ/ ΔTxm As the object C undergoes the least change in temperature for the same amount of heat supplied it will have the largest specific heat capacity.
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About Molar Specific Heat of a Gas
Molar specific heat is the heat required to raise the temperature of one mole of a gas by one kelvin, expressed through Q = nCΔT. Questions compare the constant volume value Cv with the constant pressure value Cp, apply the ideal gas relation Cp − Cv = R, and identify how the thermodynamic process affects heat capacity.
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