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What is the equation and color of product for chemical reaction Cd2+ (aq) + S2-(aq), SnS2(s) + OH-(aq), Cu2=(aq) + NH3(aq)
A large balloon is initially filled to a volume of 25.0L at 353 K and a pressure of 2575 mm Hg. What volume of gas will the balloon contain at 1.35 atm and 253 K?
Exactly 500.00mL of 1.000M perchloric acid is used to dissolve 22.10g of the mineral malachite, Cu2CO3(OH)2 (molar mass=221.0g/mol). What volume of 1.000M sodium hydroxide, is necessary to completely neutralize the excess acid?
Compare the electrical conductibities of Sodium Chloride (NaCl), ammonium nitrate (NH4NO3), calcium sulfate (CaSO4), and distilled water. Account for any differences noted in the electrical conductivities of these compounds.
175g of water at 86.0 degrees C were added to a perfect calorimeter conataining 103 grams of water at 18.5 C. What is the final temperature of this water mixture?
A first-order reaction had a rate constant , k , of 0.0123 1/s. If the initial concentration of reactant is 1.25M , what will be the concentration of reactant after 10 minutes?
At what pressure does the mean free path of argon at 25C become comparable to the size of 1dm^3 vessel that contains it? take ?=.36nm^2
A buffer that contains 0.500 M of acid, HY and 0.274 M of its conjugate base Y-, has a pH of 5.14. What is the pH after 0.0457 mol of Ba(OH)2 are added to 0.670 L of the solution
a solution is prepared by adding 40.3 g of Mg(NO3)2 to 127 g of water. Calculate the mole fraction and molality of magnesium nitrate in this solution
The specific heat of liquid water is 4.184 J/g x C. Calculate the energy required to heat 10.0 g of water from 26.5 C to 83.7 C.
Calculate the concentrations of all species in a 1.75 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
How many grams of aqueous iron bromide will be needed to react with an excess of potassium phosphate,K3PO4,to produce 17.1 g of solid iron phosphate?
Calculate the pH of the solution that results when 0.55 g of KHP is dissolved in enough water to produce 25.0 ml of solution.
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