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- (Q93) Which of the following best describes how a catalyst speeds up the rate of a reaction? O By decreasing the activation energy required to form the transition state O By decreasing the enthalpy difference between products and reactants O By removing the transition state Through acting as a supplemental reaction substrate O By ensuring that the reactant molecules do not collide5- Does SN2 occur in one step while SN1 occurs in three steps?classify the following reaction C2H6 + O2 -- CO2 + H2O
- Write The rate law expression for the following SN2 reaction:C7 Q3:The options in the 2nd pic is the same for each. Pick from those options to each box.P9.8: The reaction below proceeds with a direct attack by a water molecule on the substrate, but the hydrolysis could be expected to proceed through two possible mechanisms. Draw two possible mechanisms for the reaction run in H182OH218O. Trace the progress of the 180180 'label' throughout each mechanism to see where it ends up: this should indicate to you how the two mechanisms could be (and in fact were!) distinguished experimentally. ADP OP H2O АMP „OH HO" НО OH НО ОН
- List the following in order of decreasing (most to least ) stability Thanks!Trimethyllead hydride, (CH3)3PbH, can react with methyl bromide (CH3Br) in a homolytic dissociation reaction. What will the lead-containing product be? (CH3)2Pb PbBr2 (CH3)3PbBr Pb metalDescribe the steps and show the mechanism of the below.