koliko se toplote oslobodi pri sagorrijevanju 17g etanola
C2H5OH+3O2-------------->2CO2+3H2O deltaH= -1366.7 kJ/mol
n(C2H5OH)=m/Mr=17/46=0.369 mol
Q=deltaH*n= -1366.7*0.369= -504.31 kJ
C2H5OH+3O2-------------->2CO2
C2H5OH+3O2-------------->2CO2+3H2O deltaH= -1366.7 kJ/mol
n(C2H5OH)=m/Mr=17/46=0.369 mol
Q=deltaH*n= -1366.7*0.369= -504.31 kJ