The approximate amount of heat produced by the reaction is 2884 J
We'll begin by calculating the mass of the solution.
Volume of HCl = 50 mL
Volume of NaOH = 50 mL
Total volume = 50 + 50 = 100 mL
Density of solution = 1 g/mL
Mass of solution =?
Mass = Density × Volume
Mass = 1 × 100
Mass of solution = 100 g
Next, we shall determine the change in the temperature.
Initial temperature (T₁) = 22 °C
Final temperature (T₂) = 28.9 °C
Change in temperature (ΔT) = ?
ΔT = T₂ – T₁
ΔT = 28.9 – 22
ΔT = 6.9 °C
Finally, we shall determine the heat produced by the reaction. This can be obtained as follow:
Mass of solution = 100 g
Change in temperature (ΔT) = 6.9 °C
Specific heat capacity (C) = 4.18 J/g°C
Heat (Q) = ?
Q = MCΔT
Q = 100 × 4.18 × 6.9
Q ≈ 2884 J
Thus, the approximate amount of heat produced by the reaction is 2884 J
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