If equal masses of each substance absorb the same amount of heat, which substance undergoes the greatest temperature change

If equal masses of each substance absorb the same amount of heat, the substance which undergoes the greatest temperature change is: the one with the lowest specific heat capacity.

Specific heat capacity can be defined as the quantity of heat required to raise the temperature of a physical object or body per unit mass, by one degree Celsius (1°C) or one Kelvin (1 K).

This ultimately implies that, specific heat capacity is the quantity of heat absorbed or released per unit mass of a substance when its temperature increases by one degree Celsius (1°C) or one Kelvin (1 K).

Mathematically, the quantity of heat is given by the formula;

Where:

Making the subject of formula, we have:

Deductively, a substance undergoes the greatest temperature change when its specific heat capacity is lowest and its mass remains constant.

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Explanation:

The heat capacity of a substance is determined by the chemical composition of the substance and its mass.

Now, if substances have equal masses, the substance with the lesser heat capacity undergoes the greater temperature change.

Hence, among the substances, the particular one with the lowest heat capacity is expected to undergo the greatest temperature change.

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