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The qrxn was -332 cal. What is this in kcal? Use the equivalence of 1 kcal = 1000 cal and dimensional analysis to solve. O a. -332 cal x 1000 cal 332000 kcal %3D 1 kcal 1 kcal 1000 cal Ob. 332 cal x = 0.332 kcal %3D Ос. -332 cal x 1 kcal 1000 cal = -0.332 kcal Od. 1000 cal -332 cal x = 332000 kcal %3D 1 kcal

The qrxn was -332 cal. What is this in kcal? Use the equivalence of 1 kcal = 1000 cal and dimensional analysis to solve. O a. -332 cal x 1000 cal 332000 kcal %3D 1 kcal 1 kcal 1000 cal Ob. 332 cal x = 0.332 kcal %3D Ос. -332 cal x 1 kcal 1000 cal = -0.332 kcal Od. 1000 cal -332 cal x = 332000 kcal %3D 1 kcal

Introduction to General, Organic and Biochemistry
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter4: Chemical Reactions
Section: Chapter Questions
Problem 4.72P
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The qrxn was -332 cal. What is this in kcal? Use the equivalence of 1 kcal = 1000 cal and dimensional analysis to solve. O a. -332 cal x 1000 cal 332000 kcal %3D 1 kcal 1 kcal 1000 cal Ob. -332 cal x 0.332 kcal 1 kcal 1000 cal C. -332 cal x = -0.332 kcal d. -332 cal x 1000 cal 332000 kcal %3D 1 kcal The heat of the reaction, AH,rxn, is found by dividing the qrxn by the moles of zinc used, nzn- AH xn %3D nzn What is the AH,xn if qrxn = -0.332 kcal and n = 0.0084 moles? O a. 40 kcal/mol O b. 40 cal/mol O c. -40. kcal/mol
Transcribed Image Text:The qrxn was -332 cal. What is this in kcal? Use the equivalence of 1 kcal = 1000 cal and dimensional analysis to solve. O a. -332 cal x 1000 cal 332000 kcal %3D 1 kcal 1 kcal 1000 cal Ob. -332 cal x 0.332 kcal 1 kcal 1000 cal C. -332 cal x = -0.332 kcal d. -332 cal x 1000 cal 332000 kcal %3D 1 kcal The heat of the reaction, AH,rxn, is found by dividing the qrxn by the moles of zinc used, nzn- AH xn %3D nzn What is the AH,xn if qrxn = -0.332 kcal and n = 0.0084 moles? O a. 40 kcal/mol O b. 40 cal/mol O c. -40. kcal/mol
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