2nd October 2019

15

Why is the specific heat capacity important?

Lucky for me, you, and our fish in the pond, water does indeed have a very high specific heat capacity. The heat of water is the amount of heat needed to raise its temperature a certain amount. One of water's most significant properties is that it takes a lot of heat to it to make it get hot.

Similarly, what is the specific heat capacity of an object?

The heat capacity, or 'thermal mass' of an object, is defined as the Energy in Joules required to raise the temperature of a given object by 1º C. This is the 'specific heat' of the object (a defined physical/chemical property) multiplied by its mass and the change in temperature.

What is the specific heat capacity of a material?

The specific heat capacity of a substance is the amount of energy needed to change the temperature of 1 kg of the substance by 1°C. Different substances have different specific heat capacities.

How are heat capacity and specific heat related?

Specific heat is the amount of heat needed to raise the temperature of one kilogram of mass by 1 kelvin. The molar heat capacity is the heat capacity per unit amount (SI unit: mole) of a pure substance, and the specific heat capacity, often called simply specific heat, is the heat capacity per unit mass of a material.

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