8 The standard enthalpy change for the following reaction is -1.10×103 kJ at 298 K.Mg(s) + C(s,graphite) + 3/2 O2(g) → MGCO3(s)AH° = -1.10×10° kJWhat is the standard enthalpy change for the reaction at 298 K?2 MGCO3(s) 2 Mg(s) + 2 C(s,graphite) + 3 O2(g)kJ

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Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter5: Thermochemistry

Section: Chapter Questions

Problem 5.34QE

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The standard enthalpy change for the following reaction is -1.10×103 kJ at 298 K. Mg(s) + C(s,graphite) + 3/2 O2(g) – MgCO3(s) AH° = -1.10×103 kJ What is the standard enthalpy change for the reaction at 298 K? 2 MGCO3(s) →2 Mg(s) + 2 C(s,graphite) + 3 O2(g) kJ