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Equations
The heat energy associated with a change in temperature that does not involve a change in phase is given by
q=msΔT
where q is heat in joules, m is mass in grams, s is specific heat in joules per gram-degree Celsius, J/(g⋅°C), and ΔT is the temperature change in degrees Celsius. The heat energy associated with a change in phase at constant temperature is given by
q=mΔH
where q is heat in joules, m is mass in grams, and ΔH is the enthalpy in joules per gram.
Physical constants
The constants for H2O are shown here:
Part A:
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