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When 50. mL of 0.10 M HCl is mixed with 50. mL of 0.10 M NaOH the temperature of the solution increaThermodynamics Chemistry Question

Question

When 50. mL of 0.10 M HCl is mixed with 50. mL of 0.10 M NaOH the temperature of the solution increases by 3.0 ˚C. Calculate the ∆Hneutralization per mole of HCl. (The solution has a density = 1.0 g·mL-1 and Cp = 4.2 J·g-1·˚C-1)

A.

1.3 × 103 kJ

B.

-1.3 × 102 kJ

C.

-2.5 × 102 kJ

✓ Correct
D.

-1.3 × 103 kJ

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