Question detail
In a specific heat capacity investigation, if the temperature change is 10°C and the mass of the substance is 2 kg, what is the change in thermal energy if the specific heat capacity is 4.2 J/kg°C?
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. 84 J
- B. 84 kJ
- C. 840 J
- D. 840 kJ
Answer
84 kJ
Explanation
The correct option is "84 kJ". 84 kJ is right because it directly matches Energy changes in systems: Interpret data from a specific heat capacity investigation, including temperature change and energy supplied.. The other options are less suitable because they change the required Physics relationship, confuse the relevant energy store or use a distractor that does not answer the question.
Common mistake
Misunderstanding Temperature Change
Students often confuse the temperature change with the total energy supplied during a specific heat capacity investigation.
Emphasize that temperature change is the difference between the initial and final temperatures, and it is essential to relate this to the energy supplied using the specific heat capacity equation.
Related flashcards
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