# Answer to Question #58707 in Molecular Physics | Thermodynamics for austine

Question #58707

Calculate the change in internal energy of 2kg of water at

90oC90oC

when it is changed to

3.30m33.30m3

of steam at

100oC100oC

. The whole process occurs at atmospheric pressure. The latent heat of vaporization of water is

2.26×106J/kg2.26×106J/kg

.

4.27 MJ

3.43 kJ

45.72 mJ

543.63 J

90oC90oC

when it is changed to

3.30m33.30m3

of steam at

100oC100oC

. The whole process occurs at atmospheric pressure. The latent heat of vaporization of water is

2.26×106J/kg2.26×106J/kg

.

4.27 MJ

3.43 kJ

45.72 mJ

543.63 J

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