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Given the following thermochemical equations: ... 5 C2H29) +5 02(9) C6) + 02cg) → C02c9) ► 2CO2(9) + H2O1) AH° = -1229.5 kJ AH° = -393.5 kJ 1 H2(9) +5 02(9) → H201) AH° = -285.5 kJ 2 Calculate the enthalpy (in kJ) for this reaction: 2Cs) + H2(g) → CzH2(9) Enter your answer below (one decimal place and do not write the unit) Round your answer to 1 decimal place.

Given the following thermochemical equations: ... 5 C2H29) +5 02(9) C6) + 02cg) → C02c9) ► 2CO2(9) + H2O1) AH° = -1229.5 kJ AH° = -393.5 kJ 1 H2(9) +5 02(9) → H201) AH° = -285.5 kJ 2 Calculate the enthalpy (in kJ) for this reaction: 2Cs) + H2(g) → CzH2(9) Enter your answer below (one decimal place and do not write the unit) Round your answer to 1 decimal place.

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
Section: Chapter Questions
Problem 36QAP: Given the following thermochemical equations: 4B(s)+3O2(g)2B2O3(s)H=2543.8kJ H2(g)+12...
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Given the following thermochemical equations: ... 5 C;H2g) +5 02(9) → 2C02(9) + H2O1) AH° = -1229.5 kJ Cs) + 02c9) → CO2(a) AH° = -393.5 kJ H2(9) +, 02(9) → H201) 2. AH° = -285.5 kJ Calculate the enthalpy (in kJ) for this reaction: 2C(s) + H2(9) → C2H2(9) Enter your answer below (one decimal place and do not write the unit) Round your answer to 1 decimal place.
Transcribed Image Text:Given the following thermochemical equations: ... 5 C;H2g) +5 02(9) → 2C02(9) + H2O1) AH° = -1229.5 kJ Cs) + 02c9) → CO2(a) AH° = -393.5 kJ H2(9) +, 02(9) → H201) 2. AH° = -285.5 kJ Calculate the enthalpy (in kJ) for this reaction: 2C(s) + H2(9) → C2H2(9) Enter your answer below (one decimal place and do not write the unit) Round your answer to 1 decimal place.
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