Respuesta :

ANSWER:

The change in temperature, the mass of the system, and phase of the substance.

STEP-BY-STEP EXPLANATION:

We know that heat energy can be calculated using the following formula:

[tex]Q=m\cdot C\cdot\Delta T[/tex]

Where m is the mass, C is the specific heat and the temperature difference.

Therefore, the three variables would be the change in temperature, the mass of the system, and the substance and phase of the substance.

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