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For the elementary reaction: A+2BC Write an expression for the rate of reaction of A. (To indicate the sign, type -1 or +1 .) rA=kfCAcE What are the units of rA ? (L,mol and s) rA:(Lmol)s What are the units of the rate constant in your rate equation? kf:(/) Express rB in terms of rA. rB=rA Express rC in terms of rA. (To indicate the sign type -1 or +1 .) rC=rA Express rC in terms of rB. (To indicate the sign type -1 or +1 .) rC=rB