A 205-Kg Block of Ice Is at STP (0°C,1 Atm)while It

question 37

Multiple Choice

A 2.05-kg block of ice is at STP (0°C,1 atm) while it melts completely to water.What is its change in entropy? (For ice,L_f = 3.34 × 10⁵ J/kg)
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• A) zero
• B) 1,254 J/K
• C) 627 J/K
• D) 2,508 J/K
• E) ​5,016 J/K

Identify and differentiate between conjugated, isolated, and cumulated dienes.

Understand the concept of molecular orbitals and their relevance to the stability of dienes.

Recognize the effect of molecular structure on heat of hydrogenation and stability.

Understand the mechanism of solvolysis reactions and predict major products.

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