If the Heat Given Off by 300 G of an Alloy

question 57

Multiple Choice

If the heat given off by 300 g of an alloy as it cools through 50 C^o is sufficient to raise the temperature of 300 g of water from 30^o to 40^oC, the specific heat of the alloy must be approximately

• A) 0.015 cal/g · C^o.
• B) 0.10 cal/g · C^o.
• C) 0.15 cal/g · C^o.
• D) 0.20 cal/g · C^o.
• E) 0.50 cal/g · C^o.

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Definitions:

Aggregate Demand

The total demand for all goods and services in an economy at a given overall price level and at a given time.

Consumption

The use of goods and services by households.

MPC

The marginal propensity to consume, which measures the proportion of additional income that a consumer spends on goods and services instead of saving.

Aggregate Demand

The total demand for all goods and services in an economy at different price levels, during a specific time period, including consumption, investment, government spending, and net exports.