The enthalpy of fusion of Cs is 2.09kJ/mol. What amount of heat will it take to melt 66.5g of Cs at 28.4oC?

By using the latent heat formula, Q=mL, where m is the mass released or absorbed during a phase change and L is the latent heat of a substance, the heat needed to change the phase of a matter is determined This method is scientifically referred to as the latent heat of endothermic phase shift, i.e. Q in= mL because ice is melted into water. Water (ice) has a latent heat of 334 kJ/kg. Q in =0.035 kg x 334 kJ/kg = 11.69 ~ 11.7 kJ of heat energy is needed in order to melt 35 grammes 0.035 kg of ice

Explanation:

By using the latent heat formula, Q=mL, where m is the mass released or absorbed during a phase change, the heat needed to change the phase of a matter is determined. Water (ice) has a latent heat of 334 kJ/kg.

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