Determine the ΔH when 19.4 g of carbon is reacted with oxygen

Determine the ΔH when 19.4 g of carbon is reacted with oxygen

 

 

Determine the ΔH when 19.4 g of carbon is reacted with oxygen

C(s) + O2(g) → CO2(g) ... ΔH = –394 kJ/mol

 

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C의 몰질량 = 12.01 g/mol 이므로,

19.4 g / (12.01 g/mol) = 1.61532 mol C

 

 

 

1.61532 mol × (–394 kJ/mol) = –636.436 kJ

 

 

 

답: –636 kJ