3 °C to 0 °C.
- Use the formula: \( q = m \cdot c \cdot \Delta T \)
- Where \( m = 78.2 \, \text{g} \), \( c = 4.184 \, \text{J/g⋅K} \), and \( \Delta T = 0 - 26.3 = -26.3 \, \text{K} \).
\( q_1 = 78.2 \, \text{g} \times 4.184 \, \text{J/g⋅K} \times (-26.3 \,
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