Ethanol (C₂H₅OH)melts at -114°C

question 30

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)-12.7
• C)6.91
• D)4192
• E)9.21

Analyze the impact of statutory limitations on product liability claims.

Interpret how courts determine liability in negligence and warranty breach cases.

Identify the factors courts consider in assessing the enforceability of remedy limitations and disclaimers.

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