How long would it take for 1.50 mol of water at 100.0 ∘c to be converted completely into steam if heat were added at a constant rate of 24.0 j/s? express your answer to three significant figures and include the appropriate units?

Question

Physics

Sarai Bean

11 August, 01:29

How long would it take for 1.50 mol of water at 100.0 ∘c to be converted completely into steam if heat were added at a constant rate of 24.0 j/s? express your answer to three significant figures and include the appropriate units?

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Answers (1)

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Evan Lam · Answer 1

The total heat that is needed by the water to get converted to steam is calculated below through the equation,

H = (Hv) (n)

where H is the heat, Hv is the heat of vaporization (40.67 kJ/mol), and n is the number of mols. Substituting the known values,

H = (40.66 kJ/mol) (1.5 mol) = 60.99 kJ

Calculating for the time,

t = (60990 J) / (24 J/s)

t = 2541.25 s

Answer: 2541.25 s or approximately 42.35 minutes