The compound RX3 decomposes according to the equation 3RX3 –R+ R2X3 + 3X2 In an experiment the following data were collected for the decomposition at 100°C. What is the average rate of reaction over...

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Extracted text: The compound RX3 decomposes according to the equation 3RX3 –R+ R2X3 + 3X2 In an experiment the following data were collected for the decomposition at 100°C. What is the average rate of reaction over the entire experiment? {(s) [RX;](mol L') 0.85 2 0.67 6 0.41 0.33 0.20 0.16 8 12 14 0.011 mol L''s' 0.019 mol L's' 0.044 mol L·'s' 0.049 mol L''s' 0.069 mol L''s' A. В. С. D. Е. 2. Consider the following reaction 8A(g) + 5B(g) → 8C(g)+ 6D(g) If [C] is increasing at the rate of 4.0 mol L''s', at what rate is [B] changing? А. -0.40 mol L's' В. -2.5 mol L''s' С. D. -4.0 mol L''s' -6.4 mol L-'s' none of these choices is correct, since its rate of change must be positive Е. 3. Consider the general reaction 5Br(aq) + BrO3'(aq) + 6H*(aq) → 3Br2(aq) + 3H2O(aq) For this reaction, the rate when expressed as A[Brz]/At is the same as А. -A[H2O]/At 3A[BrO3]/At -5A[Br]/At -0.6A[Br]/At none of these choices is correct В. С. D. Е.