Boiling water is changing into steam. The specific heat of boiling water is

Step-by-step solution

Specific heat of any substance is the amount of heat transfer Q   required to cause a unit rise in temperature ∆ T   of a unit mass of that substance of mass m . s = Q m ∆ T When boiling water changes into steam there is latent heat involved cause its a phase change process, during the phase change process there is no temperature change, therefore, ∆ T = 0 Thus, the specific heat of boiling water undergoing through phase change is s = Q m ∆ T = Q m × 0 = ∞