For a certain overall third-order reaction with the general form aA → products, the initial rate of reaction is 0.50 M·s−1 when the initial concentration of the reactant is 0.32 M. What is the rate constant for this reaction?

Which of the following statements is true if reaction quotient (Q) is greater than equilibrium constant (K)?

If Linh _______  (to ask) her teacher, he’d have answered her questions.

We _______________ stay in a hotel in London, we can stay with my brother

 Did she ____ go to school last week?

When her train _______ (get) to the station, we _______ (wait) on the platform.

I _______________ spend too much money today. I’ve only got a little left.

They _______ (fall) in love with each other at first sight 2 years ago.

. I _______________ eat too much cake, or I’ll get fat!

How long _______ (learn/she) English before she went to London?