Question detail
What is the equation used to calculate the change in thermal energy when the temperature of a system changes?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Energy changes in a system, and the ways energy is stored before and after such changes
Question
- A. change in thermal energy = mass x specific heat capacity x temperature change
- B. change in thermal energy = mass + specific heat capacity + temperature change
- C. change in thermal energy = mass / specific heat capacity x temperature change
- D. change in thermal energy = mass x temperature change / specific heat capacity
Answer
change in thermal energy = mass x specific heat capacity x temperature change
Explanation
The correct equation shows how the change in thermal energy is calculated based on the mass of the substance, its specific heat capacity, and the temperature change.
Common mistake
Confusing Specific Heat Capacity
Students often confuse specific heat capacity with thermal energy, thinking they are the same concept.
Remember that specific heat capacity is the energy needed to raise the temperature of one kilogram of a substance by one degree Celsius, while thermal energy refers to the total energy within a system due to its temperature.
Related flashcards
Flashcard 1 of 5
Related practice questions
Question 1 of 5
Choose an answer, get feedback, then move sideways through the set.