Multiple Choice
Which of the following must be added to increase the temperature of steam at 110 °C?
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8. Thermochemistry
Heat Capacity
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Which term describes the amount of energy required to raise the temperature of 1 g of a substance by 1 °C or 1 K?
A
Specific heat capacity
B
Molar heat capacity
C
Latent heat
D
Enthalpy
Verified step by step guidance1
Understand that the problem is asking for the term that defines the energy needed to increase the temperature of a specific amount of a substance by 1 °C or 1 K.
Recall that 'Specific heat capacity' refers to the amount of heat energy required to raise the temperature of 1 gram of a substance by 1 °C or 1 K.
Recognize that 'Molar heat capacity' is similar but refers to the energy required to raise the temperature of 1 mole of a substance by 1 °C or 1 K, not 1 gram.
Note that 'Latent heat' is the energy required for a phase change at constant temperature, not for raising temperature.
Understand that 'Enthalpy' is a broader thermodynamic quantity related to heat content, not specifically the energy per gram per degree change.
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