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In a calorimetry experiment, what does a negative q value indicate?

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Question: In a calorimetry experiment, what does a negative q value indicate?

Options:

  1. Heat is absorbed by the system.
  2. Heat is released by the system.
  3. No heat exchange occurs.
  4. The reaction is at equilibrium.

Correct Answer: Heat is released by the system.

Solution: 

A negative q value indicates that heat is released by the system, signifying an exothermic process.

In a calorimetry experiment, what does a negative q value indicate?

Practice Questions

Q1
In a calorimetry experiment, what does a negative q value indicate?
  1. Heat is absorbed by the system.
  2. Heat is released by the system.
  3. No heat exchange occurs.
  4. The reaction is at equilibrium.

Questions & Step-by-Step Solutions

In a calorimetry experiment, what does a negative q value indicate?
  • Step 1: Understand what 'q' means. 'q' represents the heat energy in a system.
  • Step 2: Know that 'q' can be positive or negative.
  • Step 3: A positive 'q' means the system is absorbing heat (endothermic process).
  • Step 4: A negative 'q' means the system is releasing heat.
  • Step 5: When heat is released, it indicates an exothermic process.
  • Exothermic Process – A process that releases heat to the surroundings, resulting in a negative heat change (q value).
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