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Alkenes chlorination is not a generally useful reaction because most alkenes have hydrogen's in many different positions, causing mixture of chlorinated products to result.
Determine the pH of a solution prepared by mixing the 100 ml of 0.1M HCl with 200 ml of 0.1M sodium acetate and diluting the mixture of 1L? Where the pKa of acetic acid is 4.76
A 1.00 L flask was filled with the 2.00 mol gaseous NO2 and 2.00 mol gaseous SO2 and heated. After equilibrium was reached, it was found that 1.30 mol gaseous NO was present.
Determine the highest energy photon that can be absorbed by aground-state hydrogen atom without causing the ionization? Determine the wavelength of this radiation?
A violet line is observed at434 nm in the spectrum of atomic hydrogen. Calculate the beginning and ending energy levels of the electron during the emission of energy that leads to this spectral lin
Consider the directing effects of the ester and of the first nitro group on the addition of the second nitro group. If methyl m-nitrobenzene ate were nitrated again, what would the product be and w
At t=0 the concentration of A is 0.100 M. 100seconds later the concentration of A is 0.0800 M. Identify the average rate of reaction in the first 100 seconds.
Discuss why the reaction conditions promote carbonation rearrangements among the carbonations of similar/identical stability. Use the concept of free energy of activation in your answer.
Determine the numbers of photons would be absorbed per second if a continuous light beam of 1microwatt power passed through the sample? A protein has a molar extinction coefficient of 14700 L/mol cm
Determine the numbers of grams of magnesium oxide will be produced by the reaction of 0.75 mol of magnesium with excess oxygen?
Determine the numbers of grams of magnesium chloride could be produced from the reaction of 6.82 g of magnesium with excess HCL?
Explain what would have been the result if a large quantity of petroleum ether alone were used as the fluent in either of the experiments described?
Once the chromatographic column has been prepared, discuss why is it important to allow the level of the liquid in the column to drop to the level of the alumina before applying the solution of the
Identify the temperature at which the reaction changes from spontaneous to non spontaneous or vice versa. And give the theoretical range of all temperatures that are spontaneous in Kelvin.
Determine the partial pressure of NO equilibrium with O2and N2 that were placed in a flask at initial pressures of 0.2 atm and 0.8, respectively?
How can estimate the empirical formula when 0.192 g of phosphorus is burned in oxygen, 0.440 g of phosphorus oxide resulted. Write down a balanced equation for the reaction of phosphorus with oxyge
Determine the order of the reaction? How do you know? Determine the rate constant for the reaction? Explain.
Calculate the density of solution and the molality of methanol. In an aquatic solution of methanol (293K and 1bar) with fraction of mass 0,30 the molarity is equal with 8,911 mol/L.
The energy difference between the ground state and first excited state in a hydrogen atom is about 10 eV (eV = electron volt). The diameter of a hydrogen atom is 1°A = 10^-10 m.
Determine a particle of mass = m sitting in the ground state of a box of length = l. Suppose that one wall of the box is suddenly moved out so that the length of the box becomes length = 3l.
Explain which among HCl, sodium hydroxide and sodium bicarbonate and solutions would you use to regenerate acetaminophen in the aqueous layer?
Discuss how much has the activation energy been reduced if a catalyst causes a reaction to precede 100 times more quickly at temperature T.
When an aqueous solution containing chloroplatinate ions was electrolyzed for 2.00 hours, the chloroplatinate ion may be represented by the formula PtCl4x-. Using a current of 0.0750 a, 0.
Outline the pH curve for the titration is the 20.0 mL of a 0.150 M solution of a weak acid after completing the calculations below, HA (Ka = 6.3 x 10-5).
Determine the molar solubility and the Ksp, for this metal hydroxide. A saturated solution of the metal hydroxide, M(OH), has a pH of 9.45.