Specific heat is a constant that tells how many energies needed to increase the temperature of a mass of a substance. A substance with low specific heat will be easier to change to hot or cold.
The formula would be:
Q=C * m *ΔT
C= Q/ (m *ΔT)
C= 47J/10.2g(24.6-13°C)
C= 0.397 J/g°C