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A sample of nitrous oxide (N2O) has a volume of 12.5 L at standard temperature and pressure (STP).
How many molecules of nitrous oxide are in the sample?
Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the equation: PCl5(g) ? PCl3(g) + Cl2(g) At 250° 0.375 M PCl5 is added to the flask. If Kc = 1.80, what are the equilibrium concentrations of each gas?
Question- The Kb for an amine is 9.192 X 10^-5. What percentage of the amine is protonated if the pH of a solution of the amine is 9.360. (Assume that all OH came from the reaction of B with H2O.
Explain which solution has the highest vapor pressure. Require to do calculations as well as note that colligative properties are based on concentration of all solute particles
Question- Give balanced half-cell equations for each half-cell involving the following compound. Assume basic conditions.
Determine the reaction when aqueous solutions of cobalt (II) acetate as well as potassium sulfate are combined. The net ionic equation for this reaction is
A microwave oven operates at 2.50GHz. What is the wavelength of the radiation
Acid #1 has 1700 mg of sodium bicarbonate, antacid #2 has 500 mg of calcium carbonate. Which tablet is capable of reducing the most acid and why?
when 9 drops of 0.014 m na2co3aq are added to 25 ml of 0.003 magno3aq. find the qspnbsp if the solubility product of
Given the experimentally determined rate law. decide whether the proposed mechanism is possible. Why or Why not
If a solution containing 30.87 g of mercury(II) chlorate is allowed to react completely with a solution containing 5.102 g of sodium sulfide,
The molecular weight of A was found to be 72.06 g mol^-1. Ketones B and C were found to have identical elemental analyses, which were C, 69.72
An ideal gas undergoes an expansion between 400K to 300K. However the path is chaotic, that is, not adiabatic, reversible, isothermal, at constant volume or pressure. Is the work positive, negative, zero, or not enough information and why?
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