00:01
Hi, so in this case we have the following reaction that is co as a gas plus water as a gas and it is going to produce co2 as a gas plus hydrogen as a gas.
00:17
And we are asked to calculate the enthalpy for the reaction using the standard enthalpies of formation.
00:22
So remember that the delta h for the reaction is equal to the sum of the enthalpies of the products minus the sum of the enthalpies of the reactants.
00:32
So this would be delta h of formation for co2 as a gas.
00:38
Here it is important to take into account the state that we are dealing with because in the tables you are going to have different phases.
00:49
Plus the delta h of formation of hydrogen as a gas minus delta h of formation of co as a gas minus delta h of formation of water as a gas.
01:04
So in this case i am going to employ the values that are found in oberwein and shank book because i don't have access to the specific table that you are working with.
01:15
And the values that i find there are the following.
01:20
For co2 the enthalpy is going to be equal to 2 minus 393 .5...