A 20-Kg Block of Aluminum at 50°C Is Dropped into 5

question 29

Multiple Choice

A 2.0-kg block of aluminum at 50°C is dropped into 5.0 kg of water at 20°C and the temperature is allowed to stabilize.What is the total change in entropy during this process,assuming no heat is exchanged with the environment? The specific heat of aluminum is 910 J/(kg • K) and the specific heat of water is 4190 J/(kg • K) .

• A) 8.2 J/K
• B) 10 J/K
• C) 3.3 × 10^-2 J/K
• D) 3.8 × 10^-3 J/K
• E) 2.4 × 10^-3 J/K

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Definitions:

Naïve Psychology

A concept in social psychology that refers to the natural human capacity to make sense of other people's behavior by attributing particular psychological states and traits to them.

Heider

Refers to Fritz Heider, an Austrian psychologist known for his work in the psychology of interpersonal relations and attribution theory.

Causes Of Behavior

The various psychological, social, environmental, and biological factors that contribute to an individual's actions and reactions.

Attribution Theory

A social psychology theory focused on how people interpret and identify the causes of others’ behavior, attributing it to either internal dispositions or external situations.