QQuestionPhysics
QuestionPhysics
What is the specific heat capacity of zinc if it requires 146 J to raise the temperature of 15 grams of zinc by 25°C?
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Answer
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Step 1:Let's solve this problem step by step using the specific heat capacity formula.
Step 2:: Identify the given information
- Mass of zinc (m) = 15 grams - Energy added (Q) = 146 J - Temperature change (ΔT) = 25°C
Step 3:: Recall the formula for specific heat capacity
- $$\Delta T$$ = change in temperature
Where:
Step 4:: Substitute the known values into the formula
c = \frac{146 \text{ J}}{(15 \text{ g}) \times (25 \text{°C})}
Step 5:: Calculate the specific heat capacity
c = \frac{146 \text{ J}}{375 \text{ g} \cdot \text{°C}}
Step 6:: Simplify the calculation
c = 0.389 \text{ J} \cdot \text{g}^{-1} \cdot \text{°C}^{-1}
Final Answer
The specific heat capacity of zinc is 0.389 J/(g·°C).
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