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Question 14.4.2: vExamining Different Reaction Stoichiometries List some of t...

Examining Different Reaction Stoichiometries

List some of the possible reactions for TNT, C _{7} H _{5} N _{3} O _{6}.

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Among the many possible reactions are

 

\begin{aligned}C _{7} H _{5} N _{3} O _{6} & \rightarrow 1.0 C +2.5 H _{2}+1.5 N _{2}+6.0 CO \\& \rightarrow 5.25 C +1.75 CO _{2}+1.5 N _{2}+2.5 H _{2} O \\& \rightarrow 0.96 C +6.0 CO +1.48 N _{2}+0.04 HCN +2.48 H _{2} \\& \rightarrow 3.7 C +0.4 CO +2.2 CO _{2}+1.5 N _{2}+1.1 H _{2} O +0.7 CH _{4}\end{aligned}

 

However, there is some experimental evidence that the reaction that occurs is actually

 

\begin{aligned}C _{7} H _{5} N _{3} O _{6} \rightarrow 3.65 C +1.98 CO +1.25 CO _{2}+& 1.32 N _{2}+0.16 NH _{3}+0.02 HCN \\&+0.46 H _{2}+1.60 H _{2} O +0.10 CH _{4}+0.004 C _{2} H _{6}\end{aligned}

 

which has an explosive energy release of about 4570 kJ/kg.

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