Solved

Ethanol (C2H5OH) Melts at - 114°C

Question 80

Multiple Choice

Ethanol (C2H5OH) melts at - 114°C. The enthalpy of fusion is 5.02 kJ/mol. The specific heats of solid and liquid ethanol are 0.97 J/g- K and 2.3 J/g- K, respectively. How much heat (kJ) is needed to convert 25.0 g of solid ethanol at - 135°C to liquid ethanol at - 50°C?


A) 207.3
B) 9.21
C) - 12.7
D) 6.91
E) 4192

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q26: The phase diagram of a substance is

Q62: The heating curve shown was generated by

Q64: London Dispersion Forces tend to _ in

Q70: The heating curve shown was generated by

Q75: On the phase diagram shown, the coordinates

Q76: Which one of the following derivatives of

Q78: On a phase diagram, the critical temperature

Q81: Crystalline solids .<br>A) are usually very soft<br>B)

Q82: The intermolecular force(s) responsible for the fact

Q84: CsCl crystallizes in a unit cell that