Consider the following two reactions and the corresponding enthalpy changes: CH4(g) +2 O₂(g)-CO₂(g) +2 H₂O(1),AH₁ 2 CH4(g) + O₂(g) 2 CH3OH(1), H₂ Given that H₁ = −890 kJ, how much heat is released or absorbed in combustion of 1 mole of methane? 74.80 kJ released 149.6 kJ released 74.80 kJ absorbed 890 kJ absorbed 890 kJ released
Consider the following two reactions and the corresponding enthalpy changes: CH4(g) +2 O₂(g)-CO₂(g) +2 H₂O(1),AH₁ 2 CH4(g) + O₂(g) 2 CH3OH(1), H₂ Given that H₁ = −890 kJ, how much heat is released or absorbed in combustion of 1 mole of methane? 74.80 kJ released 149.6 kJ released 74.80 kJ absorbed 890 kJ absorbed 890 kJ released
Chemistry by OpenStax (2015-05-04)
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Chapter5: Thermochemistry
Section: Chapter Questions
Problem 49E: When 2.50 g of methane burns in oxygen, 125 kJ of heat is produced. What is the enthalpy of...
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![Consider the following two reactions and the corresponding enthalpy changes:
CH4(g) +2 O₂(g)-CO₂(g) +2 H₂O(1), AH₁
2 CH4(g) + O₂(g) 2 CH3OH(1), H₂
Given that H₁ = −890 kJ, how much heat is released or absorbed in combustion
of 1 mole of methane?
74.80 kJ released
149.6 kJ released
74.80 kJ absorbed
890 kJ absorbed
890 kJ released](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb2309a86-145b-49ce-a277-a302037c55e7%2F675476ae-c4de-448a-a8b2-1445d620dcb8%2Fpmy4ugr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Consider the following two reactions and the corresponding enthalpy changes:
CH4(g) +2 O₂(g)-CO₂(g) +2 H₂O(1), AH₁
2 CH4(g) + O₂(g) 2 CH3OH(1), H₂
Given that H₁ = −890 kJ, how much heat is released or absorbed in combustion
of 1 mole of methane?
74.80 kJ released
149.6 kJ released
74.80 kJ absorbed
890 kJ absorbed
890 kJ released
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