1.Derive the missing terms representing concentration changes for the followingreaction.A + 3B C + 2D-x ___ ___ _____a.-3x, x, 2x2. At equilibriuma.The rates of the forward reaction is equal to the reverse reaction3. ___________is consumed in an early mechanism step, then made in a later stepa.Catalyst4. The slowest step in the mechanism is calleda.Rate determining step5. Derive the missing terms representing concentration changes for the followingreaction.A + 3B C + 2Dx ___ ___ _____a.3x, -x, -2x