One mole of ice in a coffee cup at -10C absorbs 15.9 kJ of heat. Which point on

Question

One mole of ice in a coffee cup at -10C absorbs 15.9 kJ of heat. Which point on the phase diagram below describes the final state of the system? 34. One mole of ice in a coffee cup at-10°C absorbs 15.9 kJ of heat. Which point on the phase diagram below describes the final state of the system? C (s) = 2.03 J/g°C C (1) = 4184 J/g-°C C (g)-1.84 Jlg-°C AHnus 6.01 kJ/mol AHap 40.67 kJ/mol 218 atm 1 atmF-- 4.58-A torr A. point A B. point B C. point C D. point ID E. point E 100 374 0.0098 Temperature (°C)

Explanation / Answer

delta H fustion is 6.01 KJ/mol

so ice is in liquid phase ,rest of heat is used for increasing temp. of ice

so , ans - point C

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