Rate equation and order of a reaction.
(a) Define the following terms
Reaction rate.
Order of a reaction.
Rate equation.
Overall order of a reaction.
(b) The data below were obtained for the following homogenous reaction
2NO(g) + 2H2(g) 2H2O(g) + N2(g)
| NO(mol | H2(mol | Rate of formation of nitrogen(mol |
| 5.00 x 10-4 | 1.00 x 10-4 | 4.5 x 10-4 |
| 5.00 x 10-4 | 2.00 x 10-4 | 9.0 x 10-4 |
| 1.00 x 10-4 | 5.00 x 10-4 | 0.9 x 10-4 |
| 2.00 x 10-4 | 5.00 x 10-4 | 3.6 x 10-4 |
)
)If the rate equation for the reaction is given by the expression
Rate = k
Deduce the value of x.
Deduce the value of y.
Calculate the value of k and give its units.
(c) The data below was obtained for the reaction
A + B Products
| Experiments | Initial concentration (moldm-3) | Rate (moldm-3s-1) | |
| 0.1 | 0.1 | 1.6 x 10-3 | |
| 0.1 | 0.2 | 3.2 x 10-3 | |
| 0.1 | 0.3 | 4.8 x 10-3 | |
| 0.2 | 0.1 | 6.4 x 10-3 | |
| 0.3 | 0.1 | ||
Determine the order of the reaction with respect to B.
Determine the value of w in the table.
Write the rate equation of the reaction
Calculate the value of rate constant and give its units.
