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when 56.6g of calcium and 30.5g of nitrogen gas underfo a reaction that has a 93.0% yield, what mass g of calcium nitride forms?
If 159 of wet is collected over water at 24 and a barometric pressure of 737 , how many grams of have been consumed.
The volume of the gas is measured 201 mL at .989 atm. compute the number of grams of Na used in the reaction if Vapor pressure of water = 0.0277 atm
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.434 grams of iron and 12.2 mL of 0.52M copper(II) sulfate react to form as much product as possible.
What is the kinetic energy of this soccer baal? Mass of soccer ball is= 0.38 kg and fits this description out of these four given cations ?
Determine the final temperature of the mixture. (Use 1g/mL as the density of water)
Determine the molarity of the NaOH(sodium hydroxide) solution. In an acid-base titration, 22.13 mL of a sodium hydroxide solution are required to neutralize 24.65 mL of the potassium hydrogen phthalate solution?
The average radius of a molecule of lyzosome, an enzyme in tears, is 1430 pm. What is it's radius in nanometers.
Determine how many moles of the ANION are present in this resulting solution If 4 moles of the ionic compound get dissolved in this reaction?
Gas diffusion and Viscosity are both transport properties, Derive the general relationship between the viscosity for a gas and diffusion coefficient .calculate the diffusion coefficient if Given that the viscosity of Ar is 223 micro Pascals at 29..
You have a balloon that is not permeable to gas molecules. The balloon is spherical and has a circumference of 3.141592654 m when it is filled with a gas at 20 EC and 1.0000 atm pressure.
An aqueous solution is six percent by mass methanol,, and has a density = 0.988 g/mL. Determine the molarity of ethanol in the solution.
Determine the ionization constant for Hypochlorous before addition of any Potassium hydroxide, KOH and after addition of 25.0 mL of KOH ?
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