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For a first-order reaction, it takes 22.2s for the concentration of reactant A to drop from 1.00 to 0.333M. Starting with [A]=0.650M, how long will it take for the concentration to drop to 0.325M?
The rate would decrease because the bromide ion is a weaker base than the iodide ion. C) The potential change cannot be predicted.
Calculate the number of moles of Br2 that would react with 0.793 moles of AI to form AIBr3?
the atomic mass of chlorine is listed as 35.454 amu on the periodic table. it has two naturally occurring isotopes, Cl-35 and Cl-37. what are the approximate percentages of each?
explainnbsp the structure for 4-ethyl-23-dimethyl-2-heptene?using a sample of gas under a 622 kpa of pressure nbspand
nitrosyl chloride decomposes according to the chemical equation below2noclg 2nogcl2gnbsp0.600atm of nitosyl chloride is
A compound contains 14.5 g of magnesium and 3.5 g of oxygen. What is the mass percent of oxygen in the compound?
An impure sample of sodium carbonate, Na2CO3, is titrated with 0.150 M HCl according to the reaction below. 2HCl(aq) + Na2CO3(aq) yields CO2(g) + H2O(l) + 2NaCl(aq)
66.0 mL of a 1.60 M solution is diluted to a volume of 288 mL. A 144-mL portion of that solution is diluted using 163 mL of water. What is the final concentration.
A cell composed of a platinum indicator electrode and a silver-silver chloride reference electrode in a solution containing both Fe2 and Fe3 has a cell voltage of 0.719 V. If the silver-silver chloride electrode is replaced with a saturated calome..
Experiments have shown that the average frequency of chirping by a snowy tree cricket depends on temperature as shown below.
Use the following data to plot the inflection points for the heating curve of 1 mole of solid octane at its melting point, -56.8 degrees C. The first point should be at -56.8 and the last point should be at 150 degrees celcius.
Permenant sterility in women occurs at 300.0 rem of exposure. The source radiates with 3540 rem at 500.0 cm.
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