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Sketch a potential energy versus reaction coordinates diagram for the following reaction:
On the graph, indicate the:
(a) Intermediates
(b) enthalpy of reaction
(c) energy of activation
(d) transition states
(a) the activated complex
Use the following data to approximate the potential energy diagram.
bond bond dissociation energy, kJ/mol
C-H 413
Br-Br 192
C-Br 280
H-Br 364
An ionic solution is investigated for identity. Using the following clues, identify the cation and the anion in the solution: a. There is only one cation and one anion in the solution
sample containing 4.80 g O2 of gas has a volume of 15.0 L. Pressure and temperature remain constant. What is the new voume if 0.500 mole O2 gas is added?
What molar amount of hydrochloric acid is required for the fischer esterification of lauric acid
The next generation "ultra supercritical" power plants may operate with steam pressures of up to 300 bar. However, material strength limitations prevent operation of high pressure equipment at temperatures above 600 C.
Consider a particle with quantum number n moving in a one-dimensional box of length l. Determine the probability of finding the particle in the left quarter of the box.
(the freezing point constant is 1.86 C/m). On the basis of these data, one can conclude that the nonelectrolyte has a molecular weight of?
Calculate the minimum chloride ion concentration needed to initiate precipitation of PbCl2 from a solution that contains 0.01M Pb^2+ (aq).
Show why this chemical is dangerous, by showing chemical reactions for its formation in the environment and its reactions in the atmosphere.
Ammonia is reacted with oxygen in the presence of a catalyst in the first step of the industrial process to make nitric acid. The reaction is shown below:
A 1.17 g sample of an alkane hydrocarbon gas occupies a volume of 674 mL at 28°C and 741 mmHg. Alkanes are known to have the general formula CnH2n+2.
Calculate the molar heat of vaporization of a substance given that 0.383 mol of the substance absorbs 24.1 kJ of energy when it is vaporized.
Suppose a solution contains 0.25 M Pb2 and 0.49 M Al3 . Calculate the pH range that would allow Al(OH)3 to precipitate but not Pb(OH)2
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