4.99 g of a solid (84.4 g mol-1) was dissolved in liquid water in a calorimeter with a calorimeter constant of 56.9 J K-1. Prior to mixing everything was equilibrated to 69.6 °C. The resulting solution with a mass of 17.2 g was observed to be at a temperature of 52.0 °C and have a specific heat capacity of 4.22 J g-1 K-1. Determine q per mole for this dissolution process. Oa. -5.59 × 105 J/mol Ob. 3.85 x 104 J/mol Oc. -2280 J/mol Od. 2280 J/mol Oe. -2.16 x 104 J/mol
4.99 g of a solid (84.4 g mol-1) was dissolved in liquid water in a calorimeter with a calorimeter constant of 56.9 J K-1. Prior to mixing everything was equilibrated to 69.6 °C. The resulting solution with a mass of 17.2 g was observed to be at a temperature of 52.0 °C and have a specific heat capacity of 4.22 J g-1 K-1. Determine q per mole for this dissolution process. Oa. -5.59 × 105 J/mol Ob. 3.85 x 104 J/mol Oc. -2280 J/mol Od. 2280 J/mol Oe. -2.16 x 104 J/mol
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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Transcribed Image Text:4.99 g of a solid (84.4 g mol-1) was dissolved in liquid water in a calorimeter with a calorimeter constant of 56.9J K-1. Prior to mixing everything was
equilibrated to 69.6 °C.
The resulting solution with a mass of 17.2 g was observed to be at a temperature of 52.0 °C and have a specific heat capacity of 4.22 J g-1 K-1.
Determine g per mole for this dissolution process.
Oa. -5.59 x 105 J/mol
Ob. 3.85 x 104 J/mol
Oc. -2280 J/mol
Od. 2280 J/mol
Oe. -2.16 x 104 J/mol
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