You dissolve 4.000 g solid ammonium chloride in 100.0g of water inside a Styrofoam coffee cup. You measure the temperature change and calculate the enthalpy change to be 14.0 kJ. The accepted standard enthalpy change is 14.7 kJ. Give two reasons why your experimental value for AH is different from the accepted value.
You dissolve 4.000 g solid ammonium chloride in 100.0g of water inside a Styrofoam coffee cup. You measure the temperature change and calculate the enthalpy change to be 14.0 kJ. The accepted standard enthalpy change is 14.7 kJ. Give two reasons why your experimental value for AH is different from the accepted value.
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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You dissolve 4.000 g solid ammonium chloride in 100.0g of water inside a Styrofoam coffee cup. You measure the temperature change and calculate the enthalpy change to be 14.0 kJ. The accepted standard enthalpy change is 14.7 kJ. Give two reasons why your experimental value for AH is different from the accepted value.
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