Given the following two reactions and correspondingenthalpy changes,CO(g) + SiO2 (s) – SiO(g) + CO2(g)ΔΗ -+520.9 kJ8 CO2(g) + Si3N4(s) → 3 SiO2(s) + 2 N20(g) + 8 CO(g)ΔΗ+461.05 k]compute the AH of the reaction5 CO2(g) + Si3N4(s) → 3 SiO(g) + 2 N,O(g) + 5 CO(g)

The final reaction can be obtained by multiplying the first equation 3 times and then adding up the…

Answered: Given the following two reactions and…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter4: Energy And Chemical Reactions

Section4.10: Standard Formation Enthalpies

Problem 4.18CE

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In a coffee-cup calorimeter, 1.60 g NH4NO3 is mixed with 75.0 g water at an initial temperature of 25.00C. After dissolution of the salt, the final temperature of the calorimeter contents is 23.34C. Assuming the solution has a heat capacity of 4.18 J/C g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
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Given the following two reactions and corresponding enthalpy changes, CO(g) + SiO2 (s) – SiO(g) + CO2(g) ΔΗ -+520.9 kJ 8 CO2(g) + Si3N4(s) → 3 SiO2(s) + 2 N20(g) + 8 CO(g) ΔΗ+461.05 k] compute the AH of the reaction 5 CO2(g) + Si3N4(s) → 3 SiO(g) + 2 N,O(g) + 5 CO(g)