With the aid of labelled diagram, describe an experiment to measure the specific latent heat of vaporization of a liquid using an electrical method.

With the aid of labelled diagram, describe an experiment to measure the specific latent heat of vaporization of a liquid using an electrical method.

• Put the liquid whose specific latent heat of vaporization is required in a vacuum jacketed vessel as shown above.
• The liquid is heated to boiling point.
• The current, I, and voltage, V are recorded.
• The mass of liquid, m, condensed in time, t, is determined.

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