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Presuming the reaction goes to completeness, compute the moles of Fe4[Fe(CN)6]3 precipitated from the solutions A and B below.
A) 4.0mL of the solution made from ~8.0mL 0.10M FeCl3 in 0.02M HCl + ~8.0mL of 0.010M K4[Fe(CN)6]
B) 8.0mL of 0.10M FeCl3 in 0.02M HCl + 4.0mL of 0.010M K4[Fe(CN)6]
The following reaction is first order with respect to NO and first order with respect to O2, and the rate constant is 5.0 x 104 M-1s-1. What is the rate of the reaction when [NO] = 0.125 M and [O2]=0.250 M
Butane C4H10 is a component of natural gas that is used as fuel for cigarette lighters The balanced equation of the complete combustion of butane is
Calculate the ionic strength of a solution containing 0.010 M calcium sulfate and 0.010 M sodium chloride. Show all work.
The solubility product of PbBr2 is 8.9x10^-6. Determine the molar solubility a) in pure water, b) in 0.20M KBr solution, c) in 0.20M Pb(NO3)2 solution.
A gas expands and does P-V work on the surroundings equal to 325 J. At the same time, it absorbs 161 J of heat from the surroundings. Calculate the change in energy of the gas.
a sample of steam with a mass of 0.550grams and at a temperature of 100 degrees celcius condenses into an insulated
If 4.00 g of the unknown compound contained 0.133 mol of and 0.267 mol of H , how many moles of oxygen, O , were in the sample?
Consider the following equation: 2Mg(s) + O2 (g) → 2MgO(s). How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg?
A space probe identifies a new element in a sample collected from an asteroid. Successive ionization energies (in attojoules per atom) for the new element are l1 = 0.507, l2 = 1.017, l3 = 4.108, l4 = 5.074, l5 = 6.147 l6 = 7.903, l7 = 8.294. To wh..
Suggest a reason that TLC plates that are stored in a highly humid room result in different Rf values than plates that are stored in a dehumidified enviorment.
Calculate the solubilities of the following compounds in a .0333M solution of Mg(CIO4)2 using 1. activities and 2. molar concentrations
A 1L steel tank is fitted with a safety valve that opens if the internal pressure exceeds 850 torr. It is filled with helium at 23 oC and 0.991 atm and placed in an oil bath.
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