Given the standard enthalpy changes for the following two reactions: (1) 2C(s) + H₂(g) → C₂H₂ (9) ΔΗ° = 226.7 kJ (2) 2C(s) + 2H₂(g) → C₂H4 (9) AH° = 52.3 kJ What is the standard enthalpy change for the following reaction? (3) C₂H₂(g) + H₂(g) → C₂H4 (9) AH° =? Standard enthalpy change = kJ
Given the standard enthalpy changes for the following two reactions: (1) 2C(s) + H₂(g) → C₂H₂ (9) ΔΗ° = 226.7 kJ (2) 2C(s) + 2H₂(g) → C₂H4 (9) AH° = 52.3 kJ What is the standard enthalpy change for the following reaction? (3) C₂H₂(g) + H₂(g) → C₂H4 (9) AH° =? Standard enthalpy change = kJ
Chemistry for Engineering Students
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ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.73PAE: 9.73 Without looking up any numerical data or doing calculations, predict whether the enthalpy...
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![Given the standard enthalpy changes for the following two reactions:
(1) 2C(s) + H₂(g) → C₂H₂ (9)
AH° = 226.7 kJ
(2) 2C(s) + 2H₂(g) → C₂H₁ (9)
ΔΗ°
= 52.3 kJ
What is the standard enthalpy change for the following reaction?
(3) C₂H₂(g) + H2 (9) → C2H4 (9)
AH° =?
Standard enthalpy change =
kJ](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faf6a08b4-8e75-478e-afb6-07a17515e38d%2F54606b4d-af22-4c59-8a11-f9c0a6776ec1%2Fzuhhdem_processed.png&w=3840&q=75)
Transcribed Image Text:Given the standard enthalpy changes for the following two reactions:
(1) 2C(s) + H₂(g) → C₂H₂ (9)
AH° = 226.7 kJ
(2) 2C(s) + 2H₂(g) → C₂H₁ (9)
ΔΗ°
= 52.3 kJ
What is the standard enthalpy change for the following reaction?
(3) C₂H₂(g) + H2 (9) → C2H4 (9)
AH° =?
Standard enthalpy change =
kJ
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