How Much Heat Is Required to Change 456 G of Ice

question 65

Multiple Choice

How much heat is required to change 456 g of ice at -25.0°C into water at 25.0°C? The specific heat of ice is 2090 J/(kg K) and the latent heat of fusion of water is 33.5 × 10⁴ J/kg.

• A) 224 kJ
• B) 153 kJ
• C) 112 kJ
• D) 71.5 kJ
• E) 72.5 kJ

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Definitions:

Positive Reference Group

A group that individuals admire and wish to be like or be associated with, influencing their behavior and attitudes positively.

Weight-of-numbers Bias

A cognitive bias where the sheer amount of information or data points available influences the perception of an argument's strength.

Minority Influence

Social influence processes whereby numerical or power minorities change the attitudes of the majority.

Asch's Study

A social psychology experiment by Solomon Asch that demonstrated the influence of group pressure on conformity.