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Which of the following statements is true regarding the first law of thermodynam

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Question: Which of the following statements is true regarding the first law of thermodynamics?

Options:

  1. It applies only to closed systems.
  2. It is a statement of conservation of energy.
  3. It can be violated under certain conditions.
  4. It only applies to mechanical systems.

Correct Answer: It is a statement of conservation of energy.

Solution: 

The first law of thermodynamics is a statement of conservation of energy, applicable to all thermodynamic systems.

Which of the following statements is true regarding the first law of thermodynam

Practice Questions

Q1
Which of the following statements is true regarding the first law of thermodynamics?
  1. It applies only to closed systems.
  2. It is a statement of conservation of energy.
  3. It can be violated under certain conditions.
  4. It only applies to mechanical systems.

Questions & Step-by-Step Solutions

Which of the following statements is true regarding the first law of thermodynamics?
Correct Answer: The first law of thermodynamics is a statement of conservation of energy.
  • Step 1: Understand that the first law of thermodynamics is about energy.
  • Step 2: Know that it states energy cannot be created or destroyed, only transformed.
  • Step 3: Recognize that this law applies to all systems, meaning it is universal.
  • Step 4: Remember that energy can change forms, like from heat to work, but the total amount remains constant.
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