2nbr3 + 3naoh = n2 +3nabr + 3hobr

if there are 40 mol nbr3 and 48 mol naoh, what is the excess reactant?

n2
nbr3
naoh
hobr

Areaction in which a, b, and c react to form products is zero order in a, one-half order in b, and second order in c. by what factor does the reaction rate change if the concentration of a is doubled? 1 by what factor does the reaction rate change if the concentration of b is doubled? 1.4 by what factor does the reaction rate change if the concentration of c is doubled? 4