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10 Question (3 points) See page 223 A 102.2 mL sample of 1.00 M NaOH is mixed wi

ID: 1079315 • Letter: 1

Question

10 Question (3 points) See page 223 A 102.2 mL sample of 1.00 M NaOH is mixed with 51.1 mL of 1.00 MH2SO4 n a large Styrofoam coffee cup; the cup is fitted with alid through which passes a calibrated thermometer. The temperature of each solution before mixing is 22.05°C. After adding the NaOH solution to the coffee cup and stirring the mixed solutions with the thermometer, the maximum temperature measured is 31.70 °C. Assume that the density of the mixed solutions is 1.00 g/mL, that the specific heat of the mixed solutions is 4.18 J/(g. C), and that no heat is lost to the surroundings. 1st attempt Part 1 (1point) See Periodic Table Write a balanced chemical equation for the reaction that takes place in the Styrofoam cup. Remember to include phases in the balanced chemical equation. Part 2 (1point) Is any NaOH or H2SO4 left in the Styrofoam cup when the reaction is over? Choose one: A. No B. Yes Part 3 (1 point) Q See Hint Calculate the enthalpy change per mole of H2SO4 in the reaction. kJ/mol

Explanation / Answer

10 Question (3 points) See page 223 A 102.2 mL sample of 1.00 M NaOH is mixed wi

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