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The following thermochemical equation is for the reaction of carbon dioxide(g) with hydrogen (g) to form acetylene(g) (C₂H2) and water (g). 2CO2(g) + 5H₂(g) C₂H₂(g) + 4H₂O(g) ΔΗ = 46.5 kJ When 15.1 grams of carbon dioxide(g) react with excess hydrogen (g), kJ of energy are Hint: An amount of energy is expressed as a positive number. The sign of AH in the thermochemical equation indicates whether the energy is absorbed or evolved.

The following thermochemical equation is for the reaction of carbon dioxide(g) with hydrogen (g) to form acetylene(g) (C₂H2) and water (g). 2CO2(g) + 5H₂(g) C₂H₂(g) + 4H₂O(g) ΔΗ = 46.5 kJ When 15.1 grams of carbon dioxide(g) react with excess hydrogen (g), kJ of energy are Hint: An amount of energy is expressed as a positive number. The sign of AH in the thermochemical equation indicates whether the energy is absorbed or evolved.

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter8: Thermochemistry
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The following thermochemical equation is for the reaction of carbon dioxide(g) with hydrogen (g) to form acetylene (g) (C₂H₂) and water (g). AH = 46.5 kJ 2CO2(g) + 5H₂(g) C2₂H2(g) + 4H2O(g) When 15.1 grams of carbon dioxide(g) react with excess hydrogen (g), kJ of energy are Hint: An amount of energy is expressed as a positive number. The sign of AH in the thermochemical equation indicates whether the energy is absorbed or evolved.
Transcribed Image Text:The following thermochemical equation is for the reaction of carbon dioxide(g) with hydrogen (g) to form acetylene (g) (C₂H₂) and water (g). AH = 46.5 kJ 2CO2(g) + 5H₂(g) C2₂H2(g) + 4H2O(g) When 15.1 grams of carbon dioxide(g) react with excess hydrogen (g), kJ of energy are Hint: An amount of energy is expressed as a positive number. The sign of AH in the thermochemical equation indicates whether the energy is absorbed or evolved.
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