Consider the following reaction:2 CH3OH(g)---->2 CH4(g) + O2(g) ΔH = +252.8 kJ(a) Is this reaction exothermic or endothermic? (b) Calculatethe amount of heat transferred when 24.0 g of CH3OH(g) isdecomposed by this reaction at constant pressure. (c) For agiven sample of CH3OH, the enthalpy change during thereaction is 82.1 kJ. How many grams of methane gas areproduced? (d) How many kilojoules of heat are releasedwhen 38.5 g of CH4(g) reacts completely with O2(g) to formCH3OH(g) at constant pressure?

(a) The given reaction is, The enthalpy change of the given reaction is +252.8 kJ. If the enthalpy…

Answered: Consider the following reaction:2…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Consider the following reaction:
2 CH₃OH(g)---->2 CH₄(g) + O₂(g) ΔH = +252.8 kJ
(a) Is this reaction exothermic or endothermic? (b) Calculate
the amount of heat transferred when 24.0 g of CH₃OH(g) is
decomposed by this reaction at constant pressure. (c) For a
given sample of CH₃OH, the enthalpy change during the
reaction is 82.1 kJ. How many grams of methane gas are
produced? (d) How many kilojoules of heat are released
when 38.5 g of CH₄(g) reacts completely with O₂(g) to form
CH₃OH(g) at constant pressure?

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