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An investigator is conducting kinetic experiments on a first-order reaction A?P for which the rate coefficient at 298 K is k0 = 0.001 s^-1. The activation energy for the reaction is found to be 40 kJ mol^-1. Assume that a simple Arrhenius expression gives the dependence of k upon temperature. The investigator runs the reaction in a container whose temperature is increased to 500 K. What is the change in the half-life time?
CCl4 dipole-dipole dispersion ion-dipole ion-ion (b) CsBr dipole-dipole dispersion ion-dipole ion-ion (c) BaCl2 dipole-dipole dispersion ion-dipole ion-ion
Write a structural formula for two different isomers of [Co(H2O)2(en)2]Cl2. Indicate the oxidation state of the Co in each case.
Without using equations can you explain how heat capacity and entropy are related
Cells use the hydrolysis of adenosine triphosphate, abbreviated as ATP, as a source of energy. Symbolically, this reaction can be represented as ATP(aq) + H2O(l) ? ADP(aq) + H2PO4-(aq)
Identify the C-H out-of-plane bending vibrations in the infrared spectrum for 4-methylcyclohexene. What structural can be obtained
An industrial chemist studying bleaching and sterilizing prepares a hypochlorite buffer using 0.150 M HClO and 0.150 M NaClO. (Ka for HClO = 2.9x10^-8.)
Greg Nard added an equivalent of 3,4-epoxy-4-methylcyclohexanol to an ether solution of methyl magnesium bromide and then added dilute hydrochloric acid. He expected that the product would be a diol. He did not get any of the expected product.
What chemical symbol should be used for X in the following nuclear reaction? 237/93Np->233/91Pa+a/z X
Describe/explain the possible effect on your results of the following experimental errors or variations
Calculate the work in kilojoules done during a synthesis of ammonia in which the volume contracts from 8.8L to 4.3L at a constant external pressure of 46 atm
4.5 L of Mg(OH)2 solution was titrated with 5.03 mL of 0.200 M HCl. Calculate the the molarity of Mg(OH)2 solution and the ksp.
What is the coordination number of the central metal ion in K3[Co(H20)4Cl2] one, two, four or six
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