Concept explainers
Latent heat of fusion of mercury
Answer to Problem 30P
Solution:
11.1 kJ/kg
Explanation of Solution
Given Info:
Mass of mercury is 1 kg. Mass of water is 0.400 kg. Mass of calorimeter is 0.620 kg. Initial temperature of system is 12.80°C. Melting point of mercury is -39.0°C. Equilibrium temperature is 5.06°C
Formula used:
Where Q is heat, c is heat capacity, m is mass and T is temperature
Latent heat is given by
Where L is latent heat
Calculation:
Heat energy required lost by aluminum calorimeter and water boiler can be calculated as
This energy is taken by mercury to melt the mercury and increase the temperature. The latent heat of fusion for mercury is calculated as
Chapter 14 Solutions
Physics: Principles with Applications
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