The combustion of acetylene is used in welder's torches because it produces a very hot flame:5C₂H₂(g) + O₂(g) → 2 CO₂(g) + H₂O(g)2ΔΗ° = -1255.5 kJa use data to calculate AS for this reaction.SubstanceSº (J mol-¹K-¹)C₂ H₂(g)200.8O₂(g)205.0CO₂(g)213.6H₂O(g)188.7AS=JK-1

Given, the chemical reaction for combustion of acetylene and the standard entropy for the each…

The combustion of acetylene is used in welder's torches because it produces a very hot flame: C₂H₂(g) + O₂(g) → 2 CO₂ (g) + H₂O(g) AH-1255.5 kJ a Use data to calculate AS for this reaction. Substance S (J mol-¹K-¹) C₂H₂(g) O₂ (g) CO₂(g) H₂O(g) AS⁰ = 200.8 205.0 213.6 188.7 JK-1

The combustion of acetylene is used in welder's torches because it produces a very hot flame: C₂H₂(g) + O₂(g) → 2 CO₂ (g) + H₂O(g) AH-1255.5 kJ a Use data to calculate AS for this reaction. Substance S (J mol-¹K-¹) C₂H₂(g) O₂ (g) CO₂(g) H₂O(g) AS⁰ = 200.8 205.0 213.6 188.7 JK-1

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter9: Energy And Chemistry

Section: Chapter Questions

Problem 9.101PAE

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Question

The combustion of acetylene is used in welder's torches because it produces a very hot flame:
5
C₂H₂(g) + O₂(g) → 2 CO₂(g) + H₂O(g)
2
ΔΗ° = -1255.5 kJ
a use data to calculate AS for this reaction.
Substance
Sº (J mol-¹K-¹)
C₂ H₂(g)
200.8
O₂(g)
205.0
CO₂(g)
213.6
H₂O(g)
188.7
AS
=
JK-1

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