Consider the following balanced equation:
2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g) Complete the following table
showing the appropriate number of moles of reactants and products.
If the number of moles of a reactant is provided, fill in the
required amount of the other reactant, as well as the moles of each
product formed. If the number of moles of a product is provided,
fill in the required amount of each reactant to make that amount of
product, as well as the amount of the other product that is made.
Mol N2H4 Mol N2O4 Mol N2 Mol H2O
4 ____ _____ _____
____ 7 _____ _____
_____ _____ _____18
____4.8 _____ ____
____ ____ 10.9 _____
Complete the first row.
Express your answers using one significant figure separated by commas.
|
|||
1)Mol N2O4, Mol N2, Mol H2O = |
2)Mol N2H4, Mol N2, Mol H2O
=
3)Mol N2H4, Mol N2O4, Mol N2=
4)Mol N2O4, Mol N2, Mol H2O=
5)Mol N2H4, Mol N2, Mol H2O =
6)Mol N2H4, Mol N2O4, Mol
H2O=
Solution :-
Using the mole ratio of the reactant and product we can calculate the moles for the each species as follows
Balanced reaction equation
2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g)
Row 1 =Given 4 moles of N2H4
(4 mol N2H4 * 1 mol N2O4/2molN2H4) = 2 mol N2O4
(4 mol N2H4 *3 mol N2/2molN2H4) =6 mol N2
(4 mol N2H4 * 4 mol H2O/2molN2H4) = 8 mol H2O
Row2 = given 7 moles of N2O4
(7 moles of N2O4*2mol N2H4 /1 mol N2O4)= 14 mol N2H4
(7 moles of N2O4*3mol N2 /1 mol N2O4)=21 mol N2
(7 moles of N2O4*4 mol H2O /1 mol N2O4) = 28 mol H2O
Row 3 = Given 18 moles of H2O
(18 mol H2O * 2 mol N2H4/4 mol H2O) = 9 mol N2H4
(18 mol H2O * 1mol N2O4/4 mol H2O) =4.5 mol N2O4
(18 mol H2O * 3 mol N2/4 mol H2O)= 13.5 mol N2
Row 4 = given 4.8 mol N2O4
(4.8 moles of N2O4*2mol N2H4 /1 mol N2O4)= 9.6 mol N2H4
(4.8 moles of N2O4*3mol N2 /1 mol N2O4)=14.4 mol N2
(4.8 moles of N2O4*4 mol H2O /1 mol N2O4) = 19.2 mol H2O
Row 5 = given 10.9 mol N2
(10.9 mol N2 *2 mol N2H4/3 mol N2) = 7.27 mol N2H4
(10.9 mol N2 *1 mol N2O4/3 mol N2) = 3.63 mol N2O4
(10.9 mol N2 *4 mol H2O/3 mol N2) = 14.53 mol H2O
Mol N2H4 |
Mol N2O4 |
Mol N2 |
Mol H2O |
4 |
2 |
6 |
8 |
14 |
7 |
21 |
28 |
9 |
4.5 |
13.5 |
18 |
9.6 |
4.8 |
14.4 |
19.2 |
7.27 |
3.63 |
10.9 |
14.53 |
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