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(a) What is the difference between a straight-chain and branched-chain alkane?
(b)What is the difference between an alkane and an alkyl group?
Calculate pFe2 at each of the following points in the titration of 25.00 mL of 0.02138 M Fe2 by 0.03645 M EDTA at a 7.00 pH: a) 11.00 ml pFe2+ =? b) the equivalence point Ve pFe2+=? c) 20.00 ml pFe2+=
For the reaction: Ag(s) + SCN-1 ? AgSCN(s) + e- AgSCN is deposited on a pure Ag electrode. If the Ag electrode weighed 12.463 g initially, by how much did it increase in weight after the electrolysis of 75.0 mL of 0.0238 M KSCN
1-methylcyclohexene and 3-metheylcyclohexene were mentioned as possible products were mentioned as possible products of the dehydration of 2-methylcyclohexanol. Why wasn't 2-methylcyclohexene mentioned as a possible product
You have prepared a saturated solution of at 20 degree celcius using 31.0 of water. How much more solute can be dissolved if the temperature is increased to 30 degree celcius.
Calculate the percentage of chlorine in a sodium hypochlorite powder if 5.0 kg of powder gives off 2.3 kg of chlorine.
What current is required to produce 91.6 g of chromium metal from chromium(VI) oxide in 12.4 hours?
calculate the pv work done when 50.0 g of tin dissolves in excess acid at 1.00 bar and 25degrees celsius. assume ideal
From the number if moles of ammonia calculated in part (a - below) determine the number of micrograms of mitrogen per gram of dry soil. Assum you have 2.753 f of soil and all of the ammonia diffused from the soil.
if a liquid has a density or 1.17 g/cm(3) and a mass of 3750 g calculate the volume?
Calculate the total concentration of lead dissolved ([Pb]total) in a solution saturated with PbI2(s) and containing dissolved I- with a concentration of [I-] = 0.294 M. The solubility of lead is governed by the reactions shown below.
Concentrated sulfuric acid is used as a catalyst for the esterification of acetic acid in the preparation of isopentyl acetate. Why is sulfuric acid needed if another acid, acetic acid, is already present
What is the pH halfway to the equivalence point for the titration of 0.20 M CH3NH2 with 0.20 M HCl? (Kb of CH3NH2 = 4.4 x 10-4)
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