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1) Consider treating 1.0 mols Ca(OH)2(s) with 1.0 L of 1.0 M HCl. How must resultant system-pH and solubility(s) of Ca(OH)2 compare to pH and s(Ca(OH)2) sat'd in d. H2O(l)? Why? Do the analysis which resolves the issue. Assume volume stays 1L.
2) Consider the system: CaCO3(s) saturated in 1.0 M H4NCl. Analyze this system by appropriate K, MB, and CB consideration in order to calculate pH and s(CaCO3). Assume volume stays 1L.
2 NaHCO3(s) Na2CO3(s) + CO2(g) + H2O(g) Heating a 1.7184-g sample of impure NaHCO3 gives 0.196 g of CO2. What was the mass percent of NaHCO3 in the original 1.7184-g sample?
Assuming the waste heat of the engine provides all the heat necessary to melt the iceberg, how much work can this do?
What is the volume of .885 M hydrochloric acid required to react with (a) 25 mL of .288 M aqueous ammonia (b) 10 g of sodium hydroxide (c) 25 mL of a solution
a gas has a volume of 1.75 L at -23 degrees Celsius and 150 kPa at what temperature will the gas occupy 1.30 L at 210 kPa
Why can a first nitration be done at 0 degrees Celsius but the ice bath is removed to complete the reaction in a dinitration
If you have an organic layer that contains an organic acid, an organic base, and a nautral organic compound, what is in the organic layer after complete treatment with NaOH(aq), followed by complete treatment with HCl(aq)
a box contains a mixture of small copper spheres and small lead spheres. the total volume of both metals is measured by
Suppose the reaction Ca3(PO4)2 + 3H2SO4 ------ > 3CaSO4 + 2H3PO4 is carried out starting with 103 g of Ca3(PO4)2 and 33.7 g of H2SO4. How much phosphoric acid (H3PO4) will be produced?
A certain reaction has an activation energy of 63.62 kJ/mol. At what Kelvin temperature will the reaction proceed 4.50 times faster than it did at 347 K
if a room has a volume of 127m3 then calculate its volume a in km3? b in dm3? c in cm3?a suspension of an infant
100 microliters of a solution containing 1 mM magnesium chloride are combined with 10 microliters of a solution containing 10 mM magnesium acetate and diluted to a final volume of 1.5 mL. What is the concentration of magnesium ions in the sample
In the preparation of the esters given in this reaction, the reaction product is extracted with 5% sodium bicarbonate solution (NaHCO3)in the isolation step. Why? What gas is evolved during this washing step? Write a balanced equation for the reac..
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