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14-01-2023
Chemistry

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50 cm³ of 0.50 M sulphuric acid is added to 50 cm³ of 0.10 M sodium hydroxide in a calorimeter. A maximum rise in temperature of 6.8 °C is observed.
a. Calculate the standard enthalpy of neutralization of sulphuric acid and sodium hydroxide. (Ans: −57.12 kJ mol−1)
b. Give reason why the value obtained in (a) is less than the expected value.

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