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1) MgBr2 and Pb(NO3)2 2) CuSO4 and H2S Write ionic equations (molecular reactions, ionic equations and net ionic equations indicating the spectator ions in these reactions)
At 25 degree celcius, the density of a 50 percent by mass ethanol/water solution is 0.914 g per subic centimetre. Given that the partial molar volume of water in the solution is 17.4 cubic centimeter per mol.
2ZnS + 3O2 = 2ZnO + 2SO2 how many moles of Zno are produces when 32 gms of oxygen is allowed to react with an excess of ZnS?
An aqueous solution has a density of 0.80g/mL and is 51.0% C2H6O by mass. Determine the molar concentration of C2H6O.
The cobalt(II) ion, Co^(2+), is especially responsive to magnetic fields, more so that Co^(1+) and Co^(3+). Why
A reaction mixture initally contains 0.56 atm CO2 and 0.32 atm CO. Determine the equilbrium pressure of CO if Kp for the reactions at this temperature is 2.25?
write the corresponding hemicl reaction for the equilibrium between solid Ca3(PO4)2 and the Aq ions. what is the solubility of calcium phosphate
Compute the initial pressure of the gas in the cylinder. b. Compute how much heat must be added to the gas in the cylinder for the spring to compress by 2cm
For the same atoms at the lattice points, which lattice exhibits the lowest density? (please explain your reasoning) (A) body-centered cubic (B) face-centered cubic
A mixture of 2.0 mol of H2 (g) and 1.0 mol of O2(g) is placed in a sealed evacuated container made of a perfect insulating material at 25 C. The mixture is ignited with a spark and it reacts to form liquid water. Find the temperature of the water.
What is the vapor pressure of isopropanol at 200 C if its molar volume calculated by a first order virial expression
explain why water is not plotted on the delta t versus molecular mass graph in the analysis .(hint:what makes water different from the other 3 solvents?
The pH after adding 5.0mL, 10.0mL, 15.0mL, 20.0mL (keeps increasing by 5)... 50mL of KOH aqueous solution to the 50.0 mL sample of the HF solution.
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