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A 100.0 mL saturated solution of Ag2SO4 (aq) is added to a 250.0mL saturated solution of PbCrO4(aq). Will any precipitate form? If therefore what is the precipitate as well as how many grams form?
Solute KspAg2SO4 1.4 * 10^-5PbCrO4 2.8 * 10^-13Ag2CrO4 2.4 * 10^-12PbSO4 1.6 * 10^-8
1. what evidence provided support for bohrs model of the atom?2. why is the ionization of hydrogen greater than the
Octane ratings are assigned to gasoline mixtures based on their ability to prevent knocking relative to isooctane. Estimate the energy released during the combustion of 1.00 mol of pure isooctane.
A 3.00-l flask is filled with gaseous ammonia, . The gas pressure measured at 18.0 C is 1.55 atm . Assuming ideal gas behavior, how many grams of ammonia are in the flask?
assume that the activation energy for a certain reaction is 173 kjmol and the reaction is started with equal initial
Experiments have shown that for 1,2-dichloroethane, ClCH2CH2Cl, in carbon tetrachloride solution at 25 degrees, 70% of the molecules are in the "anti" and 30% are in the "gauche" conformation.
Write the complete stepwise mechanism for the following reaction. Show all intermediate structures and show all electron flow using the curved arrow convention.
Methane gas (CH4) comprises 7 x 10-5 % by mass of the Earth's atmosphere. What is the residence time of the gas in the atmosphere if it is being lost to the methane sinks at the rate of 4 x 1011 kg yr-1.
Under the same conditions of temperature and pressure it takes an equal volume of bromine vapor 4.74 min to effuse through the same hole. Calculate the molar mass of the unkown gas and suggest what this gas might be.
what gas are evolved from the acidified solution of hydrolyzed albumin? write equationfor the reaction of the gas with lead II acetate?
Rank the substrate structures below according to rate of reaction with 1% ethanolic silver nitrate (SN1) (1 is the fastest to react and 6 is the slowest to react). If two or more compounds appear to react at the same rate, then assign them the sam..
The standard enthalpies of formation of SO3(g), S(g) and O(g) are -359.7, +278.8 and +249.0 kJ mol-1, respectively. Use these data to calculate the average bond energy (in kJ mol-1) of the S=O double bond.
The freezing point of pure camphor is 178.4 oC, and its molal freezing-point constant, Kf, is 40.0 oC/m. find the freezing point of a solution containing 3.00 g of a compound (molar mass = 125 g/mol) dissolved in 45.0 g of camphor.
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