The Volume Change Associated with a Chemical Reaction Is Often $\Delta$

question 128

Multiple Choice

The volume change associated with a chemical reaction is often approximated as being directly proportional to the change in the number of moles of gas (moles of gaseous products - moles of gaseous reactants) .The combustion of methanol at 25°C and 1 atm releases about 1453 kJ of heat.Which of the following correctly describes the relationship between vE and $\Delta$ H? 2 CH₃OH( ) + 3 O₂(g) $\to$ 2 CO₂(g) + 4 H₂O( )

• A)"\(\Delta\)H < -1453 kJ,\(\Delta\)E = -1453 kJ"
• B)"\(\Delta\)H > -1453 kJ,\(\Delta\)E = -1453 kJ"
• C)"\(\Delta\)H = -1453 kJ,\(\Delta\)E > -1453 kJ"
• D)"\(\Delta\)H = -1453 kJ,\(\Delta\)E < -1453 kJ"
• E)"\(\Delta\)H = -1453 kJ,\(\Delta\)E = -1453 kJ"

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