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chubhunter [2.5K]
3 years ago
5

Sulfur reacts with oxygen to form sulfur dioxide (SO2(g), mc010-1.jpgHf = –296.8 kJ/mol) according to the equation below. mc010-

2.jpg What is the enthalpy change for the reaction?
–593.6 kJ –296.8 kJ 296.8 kJ 593.6 kJ
Chemistry
2 answers:
Makovka662 [10]3 years ago
7 0

Answer:

b

Explanation:

BlackZzzverrR [31]3 years ago
4 0
We want: 
S(s) + O2(g) --> SO2(g) 
So the following are the given:
1) S(s) + 3/2O2(g) --> SO3(g) ∆H = -395.8 kJ/mole 
2) 2SO2 + O2 --> 2SO3(g) ∆H = -198.2 kJ/mole 
Reverse Equation 2) and then  divide by 2 
SO3(g) --> SO2(s) + 1/2O2(g) ∆H = +99.1 kJ/mole 
Add Equation 1) 
S(s) + O2(g) --> SO2(g) ∆H = -296.7 kJ/mole
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