A 50-G Cube of Ice, Initially at 0 $\degree$ C, Is Dropped into 200 G of Water in an Is

question 111

Multiple Choice

A 50-g cube of ice, initially at 0.0 $\degree$ C, is dropped into 200 g of water in an 80-g aluminum container, both initially at 40 $\degree$ C. What is the final equilibrium temperature? (Specific heat for aluminum is 900 J/kg· $\degree$ C, the specific heat of water is 4186 J/kg· $\degree$ C, and L_f = 3.33 * 10⁵ J/kg.)

• A) 17.6\(\degree\)C
• B) 9.5\(\degree\)C
• C) 12.1\(\degree\)C
• D) 20.6\(\degree\)C

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Definitions:

Self-Efficacy

An individual's belief in their capacity to execute behaviors necessary to produce specific performance attainments, influencing how goals, tasks, and challenges are approached.

Grit

A personality trait characterized by perseverance and passion for long-term goals.

External Motivation

is the push or drive to perform a task or engage in an activity due to factors outside oneself, such as rewards or the avoidance of negative consequences, effectively a synonym for extrinsic motivations with an emphasis on its external nature.

Need to Belong

The inherent human drive to seek connections and interactions with others, considered a fundamental motivational force.