Question

can specific heat capacity be, 1. zero. 2. infinity.
plz explain, and answer only if you know the proper answer. plz​

Answer 1

Hey there!

Yes, the specific heat capacity can be zero or infinite.

Specific heat capacity is defined as the amount of heat energy required to raise the temperature of unit mass of the substance through 1°C or 1 K.

And, C = Q / m .ΔT

where,

m = mass of substance

ΔT = change in temperature

For zero heat capacity:

Consider the turbines. No transfer or exchange of heat or mass takes place but,  heat is used as a soruce to produce work. Such processes are known as adiabatic processes.

Since, no exchange of heat energy is taking place i.e Q = 0.

From the formula,

C = Q / mΔT

C = 0 / mΔT

C = 0.

Hence, Specific Heat capacity becomes zero.

For infinite heat capacity:

Consider the change of state, melting / boiling or any other. During the change of state the temperature remains constant. Such processes are called isothermal processes.

i.e ΔT = 0.

So, from the formula,

C = Q / mΔT

C = Q / m * 0

C = Q / 0

C =  ∞ or not defined.

Hence, specific heat capacity becomes infinite or not defined.

Answer 2

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