The rate law for the reaction below is rate = k[H2]x[O2]y  2 H2 + O2  →  2 H2O  Which of the following is true?   A. x = 2 and y = 2   B. The order of reaction needs to be determined experimentally   C. x = 1 and y = 2   D. x = 2 and y = 1   E. The reaction is 3rd

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