At 1 atm, how much energy is required to heat 81.0 g H2O(s)81.0 g H2O(s) at −22.0 ∘C−22.0 ∘C to H2O(g)H2O(g) at 123.0 ∘C?123.0 ∘C? Use the heat transfer constants found in this table. Heat-transfer constants for H2O at 1 atm Quantity per gram per mole Enthalpy of fusion 333.6 J/g 6010. J/mol Enthalpy of vaporization 2257 J/g 40660 J/mol Specific heat of solid H2O (ice) 2.087 J/(g·°C) * 37.60 J/(mol·°C) * Specific heat of liquid H2O (water) 4.184 J/(g·°C) * 75.37 J/(mol·°C) * Specific heat of gaseous H2O (steam) 2.000 J/(g·°C) * 36.03 J/(mol·°C) * *Specific heats change slightly with temperature. The values given in this table are a compromise among the accepted averages from several top-selling general chemistry textbooks. The slight differences in these values will not significantly affect your answers on homework problems.

Heat required to change the temperature of ice from -22.00C to 00C is

Answered: At 1 atm, how much energy is required…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter12: Thermodynamic Processes And Thermochemistry

Section: Chapter Questions

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At 1 atm, how much energy is required to heat 81.0 g H2O(s)81.0 g H2O(s) at −22.0 ∘C−22.0 ∘C to H2O(g)H2O(g) at 123.0 ∘C?123.0 ∘C? Use the heat transfer constants found in this table.

Heat-transfer constants for H₂O at 1 atm

Quantity	per gram	per mole
Enthalpy of fusion	333.6 J/g	6010. J/mol
Enthalpy of vaporization	2257 J/g	40660 J/mol
Specific heat of solid H₂O (ice)	2.087 J/(g·°C) *	37.60 J/(mol·°C) *
Specific heat of liquid H₂O (water)	4.184 J/(g·°C) *	75.37 J/(mol·°C) *
Specific heat of gaseous H₂O (steam)	2.000 J/(g·°C) *	36.03 J/(mol·°C) *

*Specific heats change slightly with temperature. The values given in this table are a compromise among the accepted averages from several top-selling general chemistry textbooks. The slight differences in these values will not significantly affect your answers on homework problems.

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