2NH31) + N215) + 3H218)
What is the most likely effect to the forward reaction if there is an increase in pressure on this reaction?
The reactant surface area increases.
The reaction rate decreases.
The reaction is not affected at all.
The reaction stops completely.

Calculate the number of molecules present in 0.750 mol of mgo.

Which of the following is most likely true about water in chemical solutions?

4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.