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If you have 100 g of Na and 50 g of H20 to perform the following reaction, how many grams of NaOH(aq) will you produce?
2Na(s) + 2H2O -----> 2NaOH(aq) +H2
A 45.0-L steel tank at 20.0°C contains acetylene gas, C2H2, at a pressure of 1.39 atm. Assuming ideal behavior, how many grams of acetylene are in the tank?
in the course of research a chemist isolates a new compound with an empirical formula c3h3o2. 2.51 g of the compound
How much .0100 M HCl is required to titrate 250 mL of .0190 M Na2CO3, and how much .0100 M HCl is required to titrate 250 mL of .0190 NaHCO3
What fraction of the original reactant concentration will remain after 2.0 hours?
calculate the equilibrium pressure of N2O4(g) and NO2(g). (c) What percentage (by moles) of the original N2O4(g) is dissociated at the new equilibrium position (total pressure = 1.00 atm)?
What gas was evolved when you treated the acetone-bisulfite addition compound with hydrochloric acid?
The dimerization of Nitrogen Dioxide has a rate constant of 2.45 x 10-2 L/mol min at 25 °C. What will be the concentration of NO2 after 2 minutes? given a starting concentration of NO2 = 11.5 mol/L
How many mL of a 22.5% (v/v) ethanol solution would you need to measure out in order to have 12.5 mL of ethanol? The Molar Mass of ethanol is 46.07g/mol.
Calculate the volume of oxygen gas at stp produced when 3.57 grams of h2O2 decomposes to produce water and oxygen
If 3.55 g of CuSO4 are dissolved in 925 mL of 0.30 M NH3, what are the concentrations of Cu2+, Cu(NH3)42+, and NH3 at equilibrium Kf, Cu(NH3)42+= 1.1 x 1013 . Assume that most of the Cu2+ is converted to the complex since K is a very large number...
How many milliliters of 0.100 M NaOH(aq) would be needed to completely neutralize 50.0 milliliters of 0.300 M HCl(aq)
Calculate the pH at the equivalence point in the titration of 56 mL of 0.10 M methylamine (see Table 15.4) with a 0.20 M HCl solution.
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