a)\(C2H6+\frac{7}{2}O2-->2CO2+3H2O\)
b)\(n_{C2H6}=\frac{8,96}{22,4}=0,4\left(mol\right)\)
\(n_{O2}=\frac{2}{7}n_{C2H6}=\frac{4}{35}\left(mol\right)\)
\(V_{O2}=\frac{4}{35}.22,4=2,56\left(l\right)\)
\(V_{ }=V_{kk}=5V_{O2}=2,56.5=12,8\left(l\right)\)
c)\(n_{CO2}=2n_{C2H6}=\frac{8}{35}\left(mol\right)\)
\(V_{CO2}=\frac{8}{35}.22,4=5,12\left(l\right)\)
d)\(n_{H2O}=3n_{C2H6}=\frac{12}{35}\left(mol\right)\)
\(m_{H2O}=\frac{12}{35}.18=\frac{216}{35}\left(g\right)\)