The Total Energy Required to Get 1 Kg of Water $\circ$

question 56

Multiple Choice

The total energy required to get 1 kg of water from a temperature of 90 ^$\circ$ C to 120 ^$\circ$ C is (latent heat of vaporization is 540 kcal/kg for water;and specific heats are 1.0 kcal/(kg C) for water,and 0.48 kcal/(kg C) for steam) .

• A)505.9 kcal
• B)510.0 kcal
• C)520.4 kcal
• D)540.0 kcal
• E)559.6 kcal

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