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Use balanced equations to determine whether either Fe(OH)2 or CuS has a different solubility with a change in pH:
a.) Neither Fe(OH)2 nor CuS change solubility with changing pH.
b.) Fe(OH)2 changes solubility with changing pH. CuS does not change solubility.
c.) CuS changes solubility with changing pH. Fe(OH)2 does not change solubility.
d.) Both Fe(OH)2 and CuS change solubility with changing pH.
How to determine the percentage difference between the experimental and the predicted value for the rate
Assume that 50.00ml of 0.100M HCl was added to 125ml of 0.100M sodium acetate. Is the resulting solution a buffer? Why or why not? Calculate the pH of the resulting solution.
how many moles of calcium chloride, cacl2, can be added to 1.5 liters of .020 M potassium sulfate, k2so4, before a precipitate is expected? assume that the volume of the solution is not changed significantly by the addition of magnesium sulfate.
Write the balanced net ionic equations for the reactions that occur in each of the given cases as. Cr2(SO4)3(aq) + 3(NH4)2CO3 (aq) = Cr2(CO3)3 ( s) + 3(NH4)2SO4 ( aq).
An archeologist finds a huge monolith in the desert. In order to estimate the weight of this object; he estimates the dimensions of the monolith and removes some chips from the rock with his hammer.
A compound A(C6H6) undergoes catalytic hydrogenation over lindlar catalyst to give a compound B, which in turn undergoes ozonolysis followed by workup with aqueous H2O2 to yield succinic acid and two equivalents of formic acid.
If the sample contains a combined total of 1.90 mol and has a total mass of 60.3g, what are the percentages of CO2 and Ne in the sample by mole?
Superman flies past you at a speed of 1000 miles/hr. At the moment he passes you, you throw a rock at him at a velocity of 750 meters per second
Calculate a lattice energy for (in kilojoules per mole) using the following information.
For bipyridine (bipy) determine the maximum number of coordination sites that the ligand can occupy on a single metal ion.
when sodium azide , NaN3 , is activated in an automobile air bag , nitrogen gas and solid sodium are produced . if 0.0500 moles of NaN3 react , what mass , in grams , of nitrogen would result ?
Calculate the heat of formation, Hof, of pentane given that the Hof of H_2O(l) is -285.3 kJ mol-1 and Hof of CO_2(g) is -393.5 kJ mol-1
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