I Take 20 Kg of Ice and Dump It into 1

question 53

Multiple Choice

I take 2.0 kg of ice and dump it into 1.0 kg of water and,when equilibrium is reached,I have 3.0 kg of ice at 0°C.The water was originally at 0°C.The specific heat of water = 1.00 kcal/kg·°C,the specific heat of ice = 0.50 kcal/kg·°C,and the latent heat of fusion of water is 80 kcal/kg.The original temperature of the ice was:

• A) one or two degrees below 0°C.
• B) −80°C.
• C) −120°C.
• D) The whole experiment is impossible.

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Definitions:

False Consensus Effect

The tendency to overestimate the extent to which others share our beliefs, attitudes, and behaviors.

Younger People

Refers to individuals in the early stages of their life cycle, typically encompassing children, adolescents, and young adults.

Self-Handicapping

A strategy where people avoid effort in the hopes of keeping potential failure from hurting self-esteem.

Self-Fulfilling Prophecy

A belief or expectation that causes itself to become true due to positive feedback between belief and behavior.