Given the Heat of Formation of the Following Compounds

question 26

Multiple Choice

Given the heat of formation of the following compounds:
CO₂(g)    ΔH°f = -393.5 kJ/mol
H₂O(l)    ΔH°f = -285.9 kJ/mol
CH₃OH(l)   ΔH°f = -238.6 kJ/mol
What is the value of ΔH for the reaction:
CH₃OH(l) + 3/2 O₂(g) → CO₂(g) + 2 H₂O(l)

• A) -440.8 kJ
• B) -416.9 kJ
• C) -1203.9 kJ
• D) -346.2 kJ
• E) -726.7 kJ

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The addition of an undesirable stimulus to decrease a behavior, such as adding chores for breaking rules.

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