Zadania z chemii IB HL

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Filtry i umiejętności1

Which statement about the rate constant, k, of an elementary reaction is correct? A. k increases when the temperature is raised, whether the reaction is exothermic or endothermic. B. k decreases when the temperature is raised for exothermic reactions. C. k…

wzorowane1 pktzamknięteśrednie (szac.)

A reaction has the rate equation below. What are the units of the rate constant $k$ ? rate $= k[\ce{A}]^2[\ce{B}][\ce{C}]^0$ A. $\mathrm{s^{-1}}$ B. $\mathrm{mol^{-1}\,dm^{3}\,s^{-1}}$ C. $\mathrm{mol^{-2}\,dm^{6}\,s^{-1}}$ D.…

The forward reaction is first order with respect to cyclohexane. $\ce{C6H12(g) <=> C6H6(g) + 3H2(g)}$ (i) Sketch a graph showing how the rate varies with the concentration of cyclohexane. (ii) Deduce the reaction's rate equation, and state the units of the…