MCxHy = dgaz/Mgaz => M=1,75*32 = 56g/mol
F.M => C4H8 -> 1-butena, 2-butena
VO2 = 1/5*1,344 = 0,2688 L
C4H8 + 6O2 => 4CO2 + 4H2O + Q
1 mol C4H8...................6*22,4 L O2
x moli C4H8...................0,2688 L
x=0,2688/134,4 = 0,002 moli C4H8
pV=nRT=> V=nRT/p = 2*82*285*10^(-6)/0,955 = 0,04892 L C4H8
1atm = 760mmHg
726mmHg = 0,955atm
T(K) = 273+t°C = 273+12 = 285 K
nu sunt sigur..