I know the answer is E, but I don’t understand why.
Show transcribed image text 20) The AH for the solution process when solid sodium hydroxide dissolves in water is -44.4 kJ/mol. A 12.6 g sample of NaOH dissolves in 250.0 g of water in a coffee-cup calorimeter. If the initial temperature of the mixture is 23.0°C, what is the final temperature of the solution? Assume that the solution has the same specific heat as liquid water, i.e., 4.18 J/g-K. A) 24.0°C B) 40.2°C C) 35.2 C D) 36.4°C E) 35.7
20) The AH for the solution process when solid sodium hydroxide dissolves in water is -44.4 kJ/mol. A 12.6 g sample of NaOH dissolves in 250.0 g of water in a coffee-cup calorimeter. If the initial temperature of the mixture is 23.0°C, what is the final temperature of the solution? Assume that the solution has the same specific heat as liquid water, i.e., 4.18 J/g-K. A) 24.0°C B) 40.2°C C) 35.2 C D) 36.4°C E) 35.7
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