• 2022-06-07 问题

    The half-life of a reaction is time needed to consume half the reactant.

    The half-life of a reaction is time needed to consume half the reactant.

  • 2021-04-14 问题

    . As a literary movement realism came in the first half of the nineteenth century as a reaction against “the lie” of romanticism and sentimentalism.

    . As a literary movement realism came in the first half of the nineteenth century as a reaction against “the lie” of romanticism and sentimentalism.

  • 2022-06-11 问题

    The value of j of a given half-reaction will change when it is multiplied by a factor.

    The value of j of a given half-reaction will change when it is multiplied by a factor.

  • 2022-06-11 问题

    The value of j of a given half-reaction will change when it is multiplied by a factor. A: 正确 B: 错误

    The value of j of a given half-reaction will change when it is multiplied by a factor. A: 正确 B: 错误

  • 2022-05-29 问题

    If the reaction of 2A+B → C is a elementary reaction, which choice listed below is true? A: it is a second order reaction B: it is a slow reaction C: it is a second order reaction to B D: it is a second order reaction to A

    If the reaction of 2A+B → C is a elementary reaction, which choice listed below is true? A: it is a second order reaction B: it is a slow reaction C: it is a second order reaction to B D: it is a second order reaction to A

  • 2022-05-29 问题

    The rate constant of the reaction changes as the reaction proceeds.

    The rate constant of the reaction changes as the reaction proceeds.

  • 2022-05-29 问题

    For an elementary reaction, the reaction order is same to the molecularity.

    For an elementary reaction, the reaction order is same to the molecularity.

  • 2022-06-06 问题

    Which<br/>of the following reactions can occur in tropane alkaloids?() A: vitali<br/>reaction B: complexation<br/>reaction C: coordination<br/>reaction D: precipitation<br/>reaction E: condensation<br/>reaction

    Which<br/>of the following reactions can occur in tropane alkaloids?() A: vitali<br/>reaction B: complexation<br/>reaction C: coordination<br/>reaction D: precipitation<br/>reaction E: condensation<br/>reaction

  • 2022-05-29 问题

    It is known that the chemical reaction A + B → C + D is a elementary reaction, then it can be inferred that the total order of this reaction is 2.

    It is known that the chemical reaction A + B → C + D is a elementary reaction, then it can be inferred that the total order of this reaction is 2.

  • 2022-06-06 问题

    Which one of the following enzymatic reactions is reversible? ( ) A: The reaction catalyzed by glycogen phosphorylase B: The reaction catalyzed by phosphoglycerate kinase C: The reaction catalyzed by pyruvate kinase D: The reaction catalyzed by fructose bisphosphatase-1 E: The reaction catalyzed by hexokinase

    Which one of the following enzymatic reactions is reversible? ( ) A: The reaction catalyzed by glycogen phosphorylase B: The reaction catalyzed by phosphoglycerate kinase C: The reaction catalyzed by pyruvate kinase D: The reaction catalyzed by fructose bisphosphatase-1 E: The reaction catalyzed by hexokinase

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