3rd order?

[Nadege Diedrich 1H]

What is the units for third order rxns?

[Betty Tesfaye 2G]

1/M^2s

[Michael Lee 2I]

I agree

[204918982]

If you don't remember the units for k for certain orders you can always just divide the rate by the concentration. For 3rd order reactions, the units are (M/s)(1/M^3) which simplifies to (1/M^2)s

[Cam Bear 2F]

What would we be asked about third order reactions other than their units?

[Fatima_Iqbal_2E]

If you want to write the units of K in terms of molarity, it would be , but if you wanted to write it in terms of moles and liters, it would be .

[Pooja Nair 1C]

If you look at first order and second order reactions, when you increase the order, you raise the power of the L and the mol in the units. Thus as you increase the order further, the power continues to rise.

[Rachel Wang]

It's very rare for 3rd order rxns to occur unless it's the overall rxn's order. The units are 1/M^2.s