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Complete and balance the molecular equation, including phases, for the reaction of aqueous copper(II) chloride, CuCl2, and aqueous potassium phosphate, K3PO4.
CuCl2(aq) + K3PO4(aq)--->
Enter the balanced net ionic equation, including phases, fir this reaction.
25.0 mL of a calcium chloride solution is added to an excess of aqueous silver nitrate. The resulting precipitate has a mass of 1.25 grams. If the percent yield of this reaction is known to be 85%, calculate the concentration in molarity of the or..
Combustion of a 5.50 g sample of a compound containing only C and H produces 18.59 g of CO2 and 3.81 g of H2O. In another experiment, the molar mass of the compund was found to be 78g/mol. Determine the Empirical and molecular formulas for this co..
Suppose a bone from an ancient human contains 17.5% of the {rm C}-14 found in living organisms. How old is the bone?
Calculate the number of mmoles of primary standard grade Na2CO3. b. How many mmoles of HCl reacted with the Na2CO3? c. Calculate the molarity of the HCl solution.
Nitrogen dioxide decomposes at 6.50 x 10-3 M s-1 during the reaction: 2NO2(g) --> 2NO(g) + O2(g) Answer the following questions:
Require to apply to neutralize the acidity that concluded from nitrification and determine how much CaCO 3
what color will the solution appear? If 0.100 M NaOH is slowly added to the HCl sample, in what pH range will the indicator change color?
toothpaste contains 0.24% by mass sodium flouride used to prevent dental cavities. One tube contains 119g of toothpaste. How many moles of NaF are in the tube?
You need 70.2K to raise the temperature of 34.0 g of ammonia from 23 c to 24 c. Calculate the heat capacity of ammonia
Calculate the heat evolved from a mixture of 14.6 L of sulfur dioxide at 1 atm and 294 K and 15 g of oxygen if the following reaction occurs: 2 SO2(g) + O2(g) ?? 2 SO3(g) ?H? = ?198 kJ
How much heat is evolved when 3ll.5g of ammonia (NH3) gas condenses to a liquid at its boiling point? ^Hvap= 23.3 kj/mol.
Using Le Chatelier's Principle to predict the effect of a change in conditions on a chemical equilibrium - Predict how the equilibrium of the following reactions will be affected by the changes listed.
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