15. In an experiment, 10.0 g of ice at -20°C is converted into steam with a temperature of 110°C. How much energy is required for this process? (AHvap = 2,260 J/g; AHfus = 334 J/g; c,(ice) = 2.06 J/(g °C); c(water) = 4.18 J/(g °C); c(steam) = 1.99 J/(g · °C)) а. 30.7 kJ d. 30.3 kJ b. 26.8 kJ 38.7 kJ е. с. 34.9 kJ

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**Question 15:**  
In an experiment, 10.0 g of ice at -20°C is converted into steam with a temperature of 110°C. How much energy is required for this process?

Given data:
- ΔH_vap = 2,260 J/g (heat of vaporization)
- ΔH_fus = 334 J/g (heat of fusion)
- cₛ(ice) = 2.06 J/(g·°C) (specific heat capacity of ice)
- cₛ(water) = 4.18 J/(g·°C) (specific heat capacity of water)
- cₛ(steam) = 1.99 J/(g·°C) (specific heat capacity of steam)

Options:
a. 30.7 kJ  
b. 26.8 kJ  
c. 34.9 kJ  
d. 30.3 kJ  
e. 38.7 kJ
Transcribed Image Text:**Question 15:** In an experiment, 10.0 g of ice at -20°C is converted into steam with a temperature of 110°C. How much energy is required for this process? Given data: - ΔH_vap = 2,260 J/g (heat of vaporization) - ΔH_fus = 334 J/g (heat of fusion) - cₛ(ice) = 2.06 J/(g·°C) (specific heat capacity of ice) - cₛ(water) = 4.18 J/(g·°C) (specific heat capacity of water) - cₛ(steam) = 1.99 J/(g·°C) (specific heat capacity of steam) Options: a. 30.7 kJ b. 26.8 kJ c. 34.9 kJ d. 30.3 kJ e. 38.7 kJ
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