Problem: You have a 100 g sample of water at standard pressure and 70 ◦C. How much energy is required to heat this sample to steam at 120◦C? A. 21 kJB. 239 kJC. 243 kJD. 17 kJE. 247 kJF. 185 kJ 

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You have a 100 g sample of water at standard pressure and 70 C. How much energy is required to heat this sample to steam at 120C?

A. 21 kJ

B. 239 kJ

C. 243 kJ

D. 17 kJ

E. 247 kJ

F. 185 kJ