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EllaWhils01Lv1
2 May 2022
CHEMISTRY please help what are the answers to these three
Use the following information to answer the next three questions.
Scientists have proposed that the combustion of methane involves a four-step reaction pathway.
1. 
2. 
3. 
4. 
4. The enthalpy change for the reaction 
is
A. 
H = +427.5 kJ
B. H = +190.1 kJ
C. H = -427.5 kJ
D. H = -190.1 kJ
5. The intermediate products in the above reaction mechanism are
A. 
B. 
C. 
D. 
The overall reaction for the combustion of methane would require how many moles
A. 
mol
B. 1 mol
C. 2 mol
D. 4 mol
CHEMISTRY please help what are the answers to these three
Use the following information to answer the next three questions.
Scientists have proposed that the combustion of methane involves a four-step reaction pathway.
1.
2.
3.
4.
4. The enthalpy change for the reaction is
isA. H = +427.5 kJ
H = +427.5 kJB. H = +190.1 kJ
H = +190.1 kJC. H = -427.5 kJ
H = -427.5 kJD. H = -190.1 kJ
H = -190.1 kJ5. The intermediate products in the above reaction mechanism are
A.
B.
C.
D.
The overall reaction for the combustion of methane would require how many moles
A. mol
molB. 1 mol
C. 2 mol
D. 4 mol
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thinkingredLv2
2 May 2022
