“heat capacity”的概念、定义、翻译、参考文献-科学参考

heat capacity

Physics

The ratio of the heat supplied to an object or specimen to its consequent rise in temperature. The specific heat capacity is the ratio of the heat supplied to unit mass of a substance to its consequent rise in temperature. The molar heat capacity is the ratio of the heat supplied to unit amount of a substance to its consequent rise in temperature. In practice, heat capacity (C) is measured in joules per kelvin, specific heat capacity (c) in J K⁻¹ kg⁻¹, and molar heat capacity (C_m) in J K⁻¹ mol⁻¹. For a gas, the values of c and C_m are commonly given either at constant volume, when only its internal energy is increased, or at constant pressure, which requires a greater input of heat as the gas is allowed to expand and do work against the surroundings. The symbols for the specific and molar heat capacities at constant volume are c_v and C_v, respectively; those for the specific and molar heat capacities at constant pressure are c_p and C_p.

Chemistry

The ratio of the heat supplied to an object or specimen to its consequent rise in temperature. The specific heat capacity is the ratio of the heat supplied to unit mass of a substance to its consequent rise in temperature. The molar heat capacity is the ratio of the heat supplied to unit amount of a substance to its consequent rise in temperature. In practice, heat capacity (C) is measured in joules per kelvin, specific heat capacity (c) in J K⁻¹ kg⁻¹, and molar heat capacity (C_m) in J K⁻¹ mol⁻¹. For a gas, the values of c and C_m are commonly given either at constant volume, when only its internal energy is increased, or at constant pressure, which requires a greater input of heat as the gas is allowed to expand and do work against the surroundings. The symbols for the specific and molar heat capacities at constant volume are c_v and C_v, respectively; those for the specific and molar heat capacities at constant pressure are c_p and C_p.

Chemical Engineering

The amount of heat Q transferred to a substance resulting in a change in temperature ΔT as $C = Q / Δ T$ . The SI units are J K⁻¹.

Geology and Earth Sciences

The energy required to raise the temperature of a given mass of material by one degree Celsius.

单词	heat capacity
释义	heat capacity Physics The ratio of the heat supplied to an object or specimen to its consequent rise in temperature. The specific heat capacity is the ratio of the heat supplied to unit mass of a substance to its consequent rise in temperature. The molar heat capacity is the ratio of the heat supplied to unit amount of a substance to its consequent rise in temperature. In practice, heat capacity (C) is measured in joules per kelvin, specific heat capacity (c) in J K⁻¹ kg⁻¹, and molar heat capacity (C_m) in J K⁻¹ mol⁻¹. For a gas, the values of c and C_m are commonly given either at constant volume, when only its internal energy is increased, or at constant pressure, which requires a greater input of heat as the gas is allowed to expand and do work against the surroundings. The symbols for the specific and molar heat capacities at constant volume are c_v and C_v, respectively; those for the specific and molar heat capacities at constant pressure are c_p and C_p. Chemistry The ratio of the heat supplied to an object or specimen to its consequent rise in temperature. The specific heat capacity is the ratio of the heat supplied to unit mass of a substance to its consequent rise in temperature. The molar heat capacity is the ratio of the heat supplied to unit amount of a substance to its consequent rise in temperature. In practice, heat capacity (C) is measured in joules per kelvin, specific heat capacity (c) in J K⁻¹ kg⁻¹, and molar heat capacity (C_m) in J K⁻¹ mol⁻¹. For a gas, the values of c and C_m are commonly given either at constant volume, when only its internal energy is increased, or at constant pressure, which requires a greater input of heat as the gas is allowed to expand and do work against the surroundings. The symbols for the specific and molar heat capacities at constant volume are c_v and C_v, respectively; those for the specific and molar heat capacities at constant pressure are c_p and C_p. Chemical Engineering The amount of heat Q transferred to a substance resulting in a change in temperature ΔT as $C = Q / Δ T$ . The SI units are J K⁻¹. Geology and Earth Sciences The energy required to raise the temperature of a given mass of material by one degree Celsius.
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