The specific latent heat of vapourization of lead is 8.7 ...
The specific latent heat of vapourization of lead is 8.7 × 105Jkg1. This means that 8.7 × 105 J of thermal energy is required to change
a given mass of molten lead to vapour at constant temperature and pressure.
1 kg of molten lead to vapour at constant temperature and pressure.
1 kg of solid lead to vapour at constant temperature and pressure.
1 kg of molten lead to vapour for every degree rise in temperature.
Correct answer is B
The specific latent heat of vaporization of lead is the amount of thermal energy required to change 1 kg of molten lead to vapor at constant temperature and pressure.
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