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A sample of H2SO4 contains 1.11 grams of H (1.01 g/mol). How many moles of H2SO4 (98.02 g/mol) are present?
Consider the following on data on Bell Lake, Based on the Ksp for Al(OH)3 of 1 x 10-33 what are the highest theoretical concentrations of Al3+ at these pH values, in µg /L?
how many moles of nitrogen are in 5.3 L container at 1.25 atm and a temp of 85 degrees C.
How many grams of iron are formed when 275 grams of carbon monoxide react with excess Fe2O3
If 6.73 g of Na2CO3 is dissolved in enough water to make 250 mL of solution, what is the molarity of the solution? What is the molarity of the Na+ ions
What is the molarity of ZnCl2 that forms when 30.0 grams of zinc completely reacts with CuCl according to the following reaction? Assume a final volume of 275.
If doing by hand, please write dark onpaper before scanning. Balance and do total net ionic equations
What causes the colors of these complexes? How do these colors relate to the expected positions of these ligands in the spectrochemical series?
Calculate the standard free energy change for the process N2O5(s)-->N2O5(g) at 25 0C if Vapor pressure of N2O5 at 7.5 degrees C is 100mmHg, and the solid sublimes at a pressure of 1.00 atm at 32.4 0C.
If 85 J of heat are added to a pure gold coin with a mass of 15g , What is its temperature change? Specific heat capacity of gold is 0.128.
At 250C, the equilibrium constant Kp for the reaction PCl5(g) PCl3(g) + Cl2(g) is 1.80. Sufficient PCl5 is put into a reaction vessel to give an initial pressure of 2.74 atm at 250C. Calculate the pressure of PCl5 after the system has reached equi..
What is the theoretical yield of vanadium that can be produced by the reaction of 40.0 g of V2O5 with 40.0 g of calcium based on the following chemical reaction.
Find out the formula of the gas produced if Na 3 P(s) sodium phosphide, is reacted with H 2 O
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