00:01
Hello students welcome here in this question we have the fuel which is a p -molar mixture of propane so c3h8 is present and as well as ch4 methane gas is there so write the complete stochometric combustion reaction for this fuel burning with 8 determine the storm metric fuel ratio so we have to write 8 fuel ratio stoichiometric and 8 to fuel ratio at equilateral equivalence ratio so we had to find out this one at equivalence ratio is equal to 0 .8 so we have to find out these values so first of all we will give the combustion equations here so fuel amount here it is given for c3h8 plus o2 gives rise to.
01:08
So here, n2 also present here.
01:11
So we had to take n2 also.
01:13
And we like dearly here as we had to write the social metchogrammetric conditions also.
01:20
So here it is co2 plus h2 plus n2.
01:27
So this is the reaction and we have to balance this equation.
01:33
As here there are three moors and this one is also three moves and eight are present so we have to take four most here and here the oxygen if you take here this one is four and here it is six so totally it is five most and you have to take these values that is five so here it is five three point seven six inches so multiplied by this one is like this.
02:06
So 3 .76 multiplied by 5 that is equal to 18 .8 we will get.
02:15
So this is a balanced equation for propane and for methane, it is 02 plus n2 gives rise to co2 plus h2.
02:29
And here this is the four modes of hydrogen is present we have to take here two and here and two also will release and two it is four so it is two and here it is approximately it is 3 .76 we have to take and the value of here it is 7 .52 now these are the balanced equations for both and here here the quantity of fuel is ely molar so let us take this one as here it is that is equal to number of moles in kilo modes we will take here so as it is one mole so one more of fuel if you take this is 0 .5 mole and this one is also 0 .5 more then the mixture so quantity of fuel is equal to so fuel means oxygen so o2 is equal to 0 .5 multiplied by 5 that is equal to 2 .5 plus here 0 .5 multiplied by 2 that is equal to 3 .5 most of oxygen is react in here.
03:56
So kilo moles of oxygen.
03:59
And now the moles of nitrogen...