Equation differences
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Re: Equation differences
It depends on what the question is asking for and if you are given the mass and if the specific heat includes grams in its units.
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Re: Equation differences
The C value you use depends on the information given in the problem. Cp is the specific heat at a constant temperature, Cv is the specific heat at a constant volume, and Csp, aka C, is the specific heat capacity at a constant specific pressure, but specific to a mass or molar quantity rather than just relating energy to temperature.
Re: Equation differences
q=mcpΔT: when calculating the heat transfer for a given quantity of a substance undergoing a temperature change
q=cpΔT : when figuring out a substance's heat transfer without knowing its mass
q=cpΔT : when figuring out a substance's heat transfer without knowing its mass
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