3 Reciprocal of the concentration versus time hich of the followings is correct

Question

3 Reciprocal of the concentration versus time hich of the followings is correct based on the information above? A. This reaction is a zero order reaction. B. This reaction is a first order reaction C. This reaction is a second order reaction D. This reaction is a third order reaction. 4. The rate constant of a chemical reaction can be increased by A. Increasing the initial concentrations of the reactants. B. Decreasing the initial concentrations of the reactants. C. Increasing the temperature. D. None of above 5. In the experiment of chemical equilibrium, a Colorimeter is used to determine FeSCN+leq. On which of the following laws is this determination based? A. Law of Mass Action. B. Beer's Law. C. The First Law of Thermodynamics. D. The Second Law of Thermodynamics 6. If a chemical reaction reaches an equilibrium A. The concentrations of the reactants and the products must be the same. B. The concentrations of the reactants must be higher than those of the C. The concentrations of the reactants must be lower than those of the products. D. The concentrations of the reactants and the products must keep constant products 7. If hydrochloric acid is titrated by NaOH, at the equivalence point A. The pH value of the titration mixture must be greater than 7 B. The pH value of the titration mixture must be smaller than 7. C. The pH value of the titration mixture must be equal to 7 D. The pH value can't be predicted by the information provided. 8. At the equivalence point of a titration

Explanation / Answer

3) The graph related to first order reaction. From the graph, as time increases reciprocal of concentration also increases. It means, the concentration of reactants decrease with the progression of reaction.

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