A 2294-Kg Sample of Water at 0° C Is Cooled $- 36 ^ { \circ } \mathrm { C } \text {, }$

question 178

Multiple Choice

A 2294-kg sample of water at 0° C is cooled to $- 36 ^ { \circ } \mathrm { C } \text {, }$ and freezes in the process. How much heat is liberated? For water L_F = 334,000 J/kg and L_V = 2.256 × 10⁶ J/kg. The specific heat of ice is 2050 J/kg ? K.

• A)935,000 kJ
• B)597,000 kJ
• C)1,110,000 kJ
• D)334,000 kJ

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Definitions:

Nitrogens of Adenine

Refers to the nitrogen atoms in the adenine molecule, a nucleobase essential in forming DNA and RNA, that participate in hydrogen bonding and base pairing.

Nucleoside

A compound consisting of a nitrogenous base bound to a sugar molecule, forming the basic building blocks of nucleic acids without the phosphate group.

Sucrose

A sugar molecule consisting of glucose and fructose, widely recognized as sugar used on dining tables.

Sweetener

A substance used to provide sweetness to foods or beverages, often with fewer calories compared to regular sugar, including natural and artificial types.