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When a 12.7 g sample of NaOH(s) dissolves in 350.0 mL water in a coffee cup calorimeter, the temperature of the water changes from 22.7°C to 32.0°C. NaOH(s) → Na* (aq) + OH¯(aq) Assuming that the specific heat capacity of the solution is the same as for water (4.184 J/g.°C) and the density of the solution is 1.032 g/mL, calculate the following. а. the heat transfer from system to surroundings (in J) b. AH for the reaction (in kJ) kJ

When a 12.7 g sample of NaOH(s) dissolves in 350.0 mL water in a coffee cup calorimeter, the temperature of the water changes from 22.7°C to 32.0°C. NaOH(s) → Na* (aq) + OH¯(aq) Assuming that the specific heat capacity of the solution is the same as for water (4.184 J/g.°C) and the density of the solution is 1.032 g/mL, calculate the following. а. the heat transfer from system to surroundings (in J) b. AH for the reaction (in kJ) kJ

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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When a 12.7 g sample of NaOH(s) dissolves in 350.0 mL water in a coffee cup calorimeter, the temperature of the water changes from 22.7° C to 32.0°C. NaOH(8) — Na" (ag) + Он (ад) Assuming that the specific heat capacity of the solution is the same as for water (4.184 J/g · °C) and the density of the solution is 1.032 g/mL, calculate the following. the heat transfer from system to surroundings (in J) а. b. AH for the reaction (in kJ) kJ
Transcribed Image Text:When a 12.7 g sample of NaOH(s) dissolves in 350.0 mL water in a coffee cup calorimeter, the temperature of the water changes from 22.7° C to 32.0°C. NaOH(8) — Na" (ag) + Он (ад) Assuming that the specific heat capacity of the solution is the same as for water (4.184 J/g · °C) and the density of the solution is 1.032 g/mL, calculate the following. the heat transfer from system to surroundings (in J) а. b. AH for the reaction (in kJ) kJ
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