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15-05-2024
Chemistry

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In an experiment, 7.5 g of liquid water at 35°C is converted into steam with a temperature of 145°C. How much energy is required for this process? (ΔHvan = 2,260 J/g; ΔHfus = 334 J/g; cₛ(ice) = 2.06 J/(g°C); cₛ(water) = 4.18 J(g°C); cₛ(steam) = 1.99 J/(g°C))
a. 2.04 kJ
b. 19.7 kJ
c. 17.0 kj
d. 5.40 kj
e. 125 kJ

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