1) 3H2 (g) + N2(g) 450°C 2NH, (9)

What do the symbols tell you about the conditions

of the reactions shown to the right? Check all of

the boxes that apply.

The products and reactants of both reactions

are gases.

Reaction 1 occurs at high pressure.

2) 250, (9) +0,(9) Os 250, (g)

Reaction 2 makes a small amount of an

additional product

A catalyst is used for reaction 2.