J 3) If 4.00 g of iron metal are reacted in a calorimeter with a heat capacity of 400. C' what would be the final temperature of the calorimeter if its initial temperature were 23.0°C? General Chemistry I Laboratory Manual, 201 2) Calculate AH for the reaction below using Hess' law. 2C2H6(g) 2C2H2(g) + 4H2(g) AH=? 2C2H2(g) +502(g)> 4CO2(g) + 2H20(1) AH -2600 kJ 2H2(g) + O2(g) 2H20(1) AH -572 kJ C2H6(g) +7/2O2(g) 2CO2(g) + 3H2O(I) AH =-1760 kJ

J 3) If 4.00 g of iron metal are reacted in a calorimeter with a heat capacity of 400. C' what would be the final temperature of the calorimeter if its initial temperature were 23.0°C? General Chemistry I Laboratory Manual, 201 2) Calculate AH for the reaction below using Hess' law. 2C2H6(g) 2C2H2(g) + 4H2(g) AH=? 2C2H2(g) +502(g)> 4CO2(g) + 2H20(1) AH -2600 kJ 2H2(g) + O2(g) 2H20(1) AH -572 kJ C2H6(g) +7/2O2(g) 2CO2(g) + 3H2O(I) AH =-1760 kJ

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

J
3) If 4.00 g of iron metal are reacted in a calorimeter with a heat capacity of 400.
C'
what would be the final temperature of the calorimeter if its initial temperature were
23.0°C?

General Chemistry I Laboratory Manual, 201
2) Calculate AH for the reaction below using Hess' law.
2C2H6(g) 2C2H2(g) + 4H2(g)
AH=?
2C2H2(g) +502(g)> 4CO2(g) + 2H20(1)
AH -2600 kJ
2H2(g) + O2(g)
2H20(1)
AH -572 kJ
C2H6(g) +7/2O2(g)
2CO2(g) + 3H2O(I)
AH =-1760 kJ

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