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Estudos Gerais06/03/2024

FAÇA OS EXERCICIOS: 09 (Unicoc-SP) A nitroglicerina é um pod...

FAÇA OS EXERCICIOS: 09 (Unicoc-SP) A nitroglicerina é um poderoso explosivo e produz quatro diferentes tipos de gases quando detonada.

2C3H5(NO3)3()3 N2( g)+1/2O2( g)+5H2O(g) 2 \mathrm{C}_{3} \mathrm{H}_{5}\left(\mathrm{NO}_{3}\right)_{3}(\ell) \rightarrow 3 \mathrm{~N}_{2}(\mathrm{~g})+1 / 2 \mathrm{O}_{2}(\mathrm{~g})+5 \mathrm{H}_{2} \mathrm{O}(\mathrm{g})

Qual a energia liberada, em kJ, quando reagir 1 mol de nitroglicerina?

 Dados: ΔHf[CO2( g)]=393,5 kJ/molΔHf[H2O(g)]=241,8 kJ/molΔHf[C3H5(NO3)3]=364 kJ/mol \begin{aligned} \text { Dados: } \Delta \mathrm{Hf}\left[\mathrm{CO}_{2}(\mathrm{~g})\right] & =-393,5 \mathrm{~kJ} / \mathrm{mol} \\ \Delta \mathrm{Hf}\left[\mathrm{H}_{2} \mathrm{O}(\mathrm{g})\right] & =-241,8 \mathrm{~kJ} / \mathrm{mol} \\ \Delta \mathrm{Hf}\left[\mathrm{C}_{3} \mathrm{H}_{5}\left(\mathrm{NO}_{3}\right)_{3}\right] & =-364 \mathrm{~kJ} / \mathrm{mol} \end{aligned}

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