Answer:
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Explanation:
How many moles of gas are contained in a 60.0L cylinder at a pressure of 200.0 atm and a temperature of 25.0? A.(490.48 mol) B.(
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Explanation:
The given data is as follows.
,
= 2257 kJ/kg,
= ?
For water, = 4.184
Formula to calculate heat of vaporization is as follows.
=
Hence, putting the values into the above formula as follows.
=
=
= 2257 kJ/kg - 376.56 kJ/kg
= 1880.44 kJ/kg
Thus, we can conclude that enthalpy of liquid water at is 1880.44 kJ/kg.