QUESTION 2 The reaction A+ B-> C follows an overall second order reaction and a first order reaction in B at low concentrations of A and B. At high concentrations of A and B it follows an overall first order reaction and first order reaction in A Suggest a single rate law that is consistent with both high and low concentrations of A and B. -rA k CA CB -rA = k1 CA CB^2/ (k2 + k3 CA) -rA = k1 CA^2 CB/ (k2 + k3 CA) -rA = k1 CA CB/ (k2 + k3 CB)

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Steady State Model

The steady-state model typically states that the entire universe is always enlarging, although it balances a fixed average density and matter that is being constantly generated to make new galaxies, star forms at a similar rate that the previous ones get indistinguishable due to the growing range and velocity of recession.