Solved

Ethanol ( OH)melts at -114°C

Question 50

Multiple Choice

Ethanol ( Ethanol ( OH) 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/gK and 2.3 J/gK,respectively.How much heat (kJ) is needed to convert 25.0 g of solid ethanol at -125°C to liquid ethanol at -80°C? A) 207.3 kJ B) -14.2 kJ C) 4.95 kJ D) 2224 kJ E) 7.24 kJ Ethanol ( OH) 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/gK and 2.3 J/gK,respectively.How much heat (kJ) is needed to convert 25.0 g of solid ethanol at -125°C to liquid ethanol at -80°C? A) 207.3 kJ B) -14.2 kJ C) 4.95 kJ D) 2224 kJ E) 7.24 kJ OH) 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/gK and 2.3 J/gK,respectively.How much heat (kJ) is needed to convert 25.0 g of solid ethanol at -125°C to liquid ethanol at -80°C?


A) 207.3 kJ
B) -14.2 kJ
C) 4.95 kJ
D) 2224 kJ
E) 7.24 kJ

Correct Answer:

verifed

Verified

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

Related Questions

Q45: A paper clip floating on the top

Q46: Choose the pair of substances that are

Q47: How much energy is required to vaporize

Q48: The enthalpy change for converting 1.00 mol

Q49: Identify the characteristics of a liquid.<br>A) indefinite

Q51: At atmospheric pressure,ice<br>A) freezes.<br>B) deposits.<br>C) sublimes.<br>D) melts.<br>E)

Q52: The two strands in DNA are held

Q53: Which of the following compounds exhibits dipole-dipole

Q54: Choose the substance with the highest vapor

Q55: Which of the following statements is TRUE?<br>A)