Question

Specific heat capacity is expressed in cal/g​ true or false?

Answer 1

Heat capacity is the measurable physical quantity that characterizes the amount of heat required to change a substance’s temperature by a given amount. It is measured in joules per Kelvin (SI unit)

The CGS unit of specific heat is cal g-1 ℃-1.....

Answer 2

Answer:

Specific heat capacity is expressed in cal/g °C. The given statement is false.

Explanation:

Specific heat capacity of a substance is the amount of energy required to increase the temperature by 1 unit (1K or 1°C) of material of 1 kg mass.

• The SI unit of  specific heat capacity is J/(Kg K).
• Specific heat capacity will give an indication of how much energy will be needed to heat or cool an object of a given mass by a given amount.
• Specific heat capacity is calculated from the formula:-

          $C_v = \frac{Q }{ \triangle T \times m}$

         where Q is heat (in J) and m is mass of the substance and ΔT is the change in temperature.

• In chemistry, heat amounts were often used to measure in calories.  When heat is measured in these units, the unit of specific heat capacity is usually cal/g °C.

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