For the following reaction the below data were measured?

Question

2NO(g) + 2H2 (g) -----> N2 (g) + 2H2Og _______________________________________________________________ Initial Concentrations Initital Rate of (mol/L) Formation of H2O __________________________ (mol/L-s) [NO] [H2] ________________________________________________________________ 0.10 0.10 0.00123 0.10 0.20 0.00246 0.20 0.10 0.00492 __________________________________________________________________

What is the rate constant k for this reaction ?

Answer 1

Assume it's first order (your figures are very hard to work out). Measure the time taken for the concentration to halve. Then divide that into the natural logarithm of 2.