Question detail
Which of the following best describes the conservation of energy in a chemical reaction?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Key ideas in chemistry
Question
- A. Energy is transformed from one form to another.
- B. Energy is lost to the surroundings.
- C. Energy is created during the reaction.
- D. Energy is only present in reactants.
Answer
The correct option is Energy is transformed from one form to another.. This answer is correct because it matches the approved learning objective to explain that energy is conserved in chemical reactions in the subtopic Universal chemistry ideas.
Explanation
The correct option is Energy is transformed from one form to another.. Energy is transformed from one form to another. is correct because it directly supports the approved learning objective to explain that energy is conserved in chemical reactions. This belongs to the subtopic Universal chemistry ideas within Key ideas in chemistry, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Universal chemistry ideas.
Common mistake
Misunderstanding Energy Conservation
Students often think that energy can be created or destroyed during a chemical reaction.
Emphasize that energy is conserved, meaning it can only change forms but cannot be created or destroyed.
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