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Explain how many electrons are transferred in the reaction of hydrogen peroxide with iron (II) ion in acidic solution to form iron (III) ion and water
IF the Ksp of Magnesium fluoride is 6.4 x10-9. Compute the solubility in grams per liter of magnesium fluoride in water.
The Kal of this aid is 1.0 x 10^-10 and Ka2 is 1.0 x 10^-10. Calculate the concentration of A2- in this solution.
The density of air at 19 °C is 0.0020 g/ml at about atmospheric pressure. Although air is a mixture, we can take the average molecular weight of the molecules in air to be 27.37 amu. (a) What is the mass of air in the bottle? (b) By how much does ..
Calculate the concentration of I- in a solution obtained by shaking 0.10 M KI with an excess of AgCl.
why is normal phase chromatography ideal for separating the components chlorophyll a b and carotene in a petroleum
A compound of forumula C14H12 gave a positive Baeyer test and burned with a yellow, sooty flame. Treatment with ozone followed by hydrolysis in the presence of zinc gave formaldehyde as one of the products.
According to the VSEPR theory, the electrostatic repulsion between electron pairs surrounding an atom causes. An electron sea to form
How many neighboring hydrogen atoms must the CH2 group (at 2.65 ppm H NMR ) of propyl amine see in order to have its signal split into a triplet
Describe how you can use titration to determine the molar mass of an unknown acid, by giving a specific example and showing a sample calculation.
A sample of gas has a mass of 5.00 mg and occupies a volume of 4.13 mL at 23ºC and 745 torr. What is the molecular weight of the gas?
As protons transported into cell, ATP synthesis can be coupled to this process by ATP synthase. At 100% efficiency, under conditions above, how many proteins must be transported to synthesize one molecule of ATP?
a gas is produced. At 25°C and 1.00 atm of pressure, how many liters of this gas was produced from 3.45 g of sodium metal
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