Order of reaction and rate graphs

Define the order with respect to a reactant and the overall order, and sketch, identify and analyse concentration-time and rate-concentration graphs for zero, first and second order reactions, including constant half-life as the sign of first order.

Zadania sprawdzające tę umiejętność: 7 Otwórz w wyszukiwarce z filtrami
Zadanie 3bPaper 2, maj 2025, TZ2
wzorowane12 pktotwarteśrednie (szac.)

In moist air carbonyl dibromide is slowly hydrolyzed: BrX2CO(g)+HX2O(g)COX2(g)+2HBr(g)\ce{Br2CO(g) + H2O(g) -> CO2(g) + 2HBr(g)} (i) Suggest a method of monitoring the progress of this reaction at constant temperature so that its rate can be determined. (ii) Outline two reasons why a…

Zadanie 27Paper 1A, maj 2025, TZ2
wzorowane1 pktzamknięteśrednie (szac.)

The rate of the reaction between propanone and iodine in acidic solution was measured at a fixed concentration of the acid catalyst. CHX3COCHX3(aq)+IX2(aq)CHX3COCHX2I(aq)+HI(aq)\ce{CH3COCH3(aq) + I2(aq) -> CH3COCH2I(aq) + HI(aq)} [CHX3COCHX3][\ce{CH3COCH3}] / moldm3\mathrm{mol\,dm^{-3}} [IX2][\ce{I2}] /…

Zadanie 27Paper 1A, maj 2025, TZ3
wzorowane1 pktzamknięteśrednie (szac.)

The table shows how the initial rate of the reaction between X and Y depends on the concentrations of the reactants. Experiment [X][\ce{X}] / moldm3\mathrm{mol\,dm^{-3}} [Y][\ce{Y}] / moldm3\mathrm{mol\,dm^{-3}} Initial rate / moldm3s1\mathrm{mol\,dm^{-3}\,s^{-1}} 1 0.10 0.20…

Zadanie 30Paper 1A, maj 2025, TZ1
wzorowane1 pktzamknięteśrednie (szac.)

The following results were obtained for the reaction between bromate(V) ions, bromide ions and hydrogen ions in aqueous solution. BrOX3X(aq)+5BrX(aq)+6HX+(aq)3BrX2(aq)+3HX2O(l)\ce{BrO3^-(aq) + 5Br^-(aq) + 6H+(aq) -> 3Br2(aq) + 3H2O(l)} Experiment Initial [BrOX3X\ce{BrO3^-}] / moldm3\mathrm{mol\,dm^{-3}} Initial…

Zadanie 3dPaper 2, listopad 2025, TZ3
wzorowane5 pktobliczeniowetrudne (szac.)

The forward reaction is first order with respect to cyclohexane. CX6HX12(g)CX6HX6(g)+3HX2(g)\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…

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