QQuestionPhysics
QuestionPhysics
Which statement defines the heat capacity of a sample?
A. The temperature of a given sample.
B. The temperature that a given sample can withstand.
C. The quantity of heat that is required to raise the sample’s temperature by 1°C (or Kelvin).
D. The quantity of heat that is required to raise 1 g of the sample by 1 °C (or Kelvin) at a given pressure.
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Answer
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Step 2: Understand the concept of heat capacity
Heat capacity is a physical property that describes how much thermal energy a substance can absorb or release when its temperature changes.
Final Answer
The quantity of heat that is required to raise 1 g of the sample by 1°C (or Kelvin) at a given pressure. Key Insight: Specific heat capacity (c) is mathematically expressed as: c = \frac{Q}{m \Delta T} Where: - Q is heat energy added - m is mass of the substance - \Delta T is temperature change
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