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The hydrocarbon mixtures are used as fuels. Calculate the mass of CO2(g) which is formed by the combustion of 191.1g of a mixture that is 54.9% CH4 and 45.1%C3H8 by mass?
How many would remain after one half lifes, two half lives, three half lives, and after four half lives if we start with 48 atoms of a radioactive substance.
What are the relative abundances of the two isotopes when a 2 gram sample of hydrogen gas found at Los Alamos Laboratory was calculated to contain 1 gram of 1H and 1 gram of2H.
The tarnished silver haveAg2S and the tarnish can be removed by placing the silverware in an aluminum pan containing an inert electrolyte solution, such as NaCl. Discuss the electrochemical princip
At 7.6 pH an enzyme catalyzed reaction was carried out in a 0.22M Tris buffer. The pKa of Tris is 8.1. As a result of this reaction, 0.03 moles/liter of H+ was formed.
Determine the practical advantage of having the organic solvent be more dense than water in extracting an organic compound from an aqueous solution.
Calculate the yield of aspirin if the experiment yield was 1.850g and the theoretical yield was 2.0051g?Determine the corrected percent yield?
Determine the number of moles and numbers of ions of each type are present in the following aqueous solutions? 259 mL of a solution containing 5.35 g/L aluminum sulphate moles of ions number of ions.
If the equilibrium concentrations of N2 and H2 are 0.815 M and 0.595 M respectively, consider the reaction N2(g) + 3H2(g) ↔2NH3(g) K = 6.02 × 10-2 Determine the eq
Determine the number grams in 4.50 cubic feet sample of calcium phosphate which is having the density of 2.75 grams/cm^3. Determine the numbers of oxygen atoms are present in the sample?
Show the skeletal structure of the organic species which is having the carbonyl functionality required to form 1-phenyl-2-propanol upon metal-catalyzed hydrogenation.
Cautiously add 2 ml of concentrated nitric acid to the cold sulfuric acid and keep then iterating mixture in the ice-water bath. Prepare a nitrating mixture by cooling 5ml of concentrated sulphuric
In the cylinder if 30g of propane is mixed with the 100g of oxygen, and the reaction proceeds to completion, calculate the work done by the system on its surroundings during this process.
The liquid water which is having one mole, heated from 10C to 90C by the two different processes. In the first, the water is first brought into contact with a hot plate maintained at 50C until therm
What would the product be and why, if methyl m-nitro benzoate were nitrated a second time. Consider the directing effect of the ester and first nitro group on the addition of the second nitro group
After cementation Cu and Ni, in zinc refining plant are precipitated out of the sulphate solution. How can the copper and nickel be separated after the solid/liquid separation.
Describes the values of the quantum numbers n, l, ml, s, ms, for each of the valence electrons in the ground state of a nitrogen atom?
An electron with energy 2.00 eV intrudes upon a barrier of length 1.00 nm and height 5.00 eV. Determine the spatial decay parameter κ for the tunneling of wave function through the barrie
Determine the transmission probability through this barrier by using the approximate expression for transmission probability in the limit of high and long barrier.
Determine the total dilution if the concentration of the original solution is 0.6 mM and the diluted solution is 0.2mM?
The first step is the protonation of the alcohol oxygen to form an oxonium ion. The dehydration of 3-methyl-2-butanol forms two minor and one major product.
Find out the hydroxide ion concentration in this solution when solid iron (II) hydroxide is added to water, the resulting solution contains 1.4 × 10-3 g of dissolved iron (II) hydroxide p
Calculate the mass percentage of isopropyl alcohol in the solution? When a 6.02-g aqueous solution of isopropyl alcohol contains 4.08 g of isopropyl alcohol.
4- Solutions of sodium hypochlorite, NaClO, are sold as bleach. They are prepared by the reaction of chlorine with sodium hydroxide. 2 NaOH(aq) +Cl2(g) → NaCl(aq) +NaClO(aq) + H2O(l)
When it is heated with carbon in the presence of chlorine, titanium tetrachloride (TiCl4) is produced. A titanium ore contains rutile (TiO2) plus some silica and iron oxide.