For the elementary reaction A+2BC+D Write an expression for the rate of reaction of A. (Use +1 or -1 to indicate a+ ve or -ve sign.) rA=kfCACE+krCCCD What are the units of the rate constants in your rate equation? (Use mol, L and s) Express rB in terms of rA. (Use +1 or -1 to indicate a+ve or -ve sign.) rB= Express rC in terms of rA. (Use +1 or -1 to indicate a+ ve or -ve sign.) rC= Express rC in terms of rD. (Use +1 or -1 to indicate a+ve or -ve sign.) rC=