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consider the gaseous reaction at 347 celsius N2+3H2-->2NH3 if 2.00 mole of N2 and 3.00 mole of H2 react, which of the two reactants is the limiting reagent.
What are the concentrations of HSO4-, SO42-, and H+ in a 0.14 M KHSO4 solution? (Hint: H2SO4 is a strong acid; Ka for HSO4- = 1.3 10-2.)
Diamond has a face-centered cubic unit cell, with four more C atoms in tetrahedral holes within the cell. Densities of diamonds vary from 3.01 g/cm3 to 3.52 g/cm3 because C atoms are missing from some holes.
The combustion of magnesium metal is described by the following equation. What mass of magnesium must be burned to produce 1.00 kJ of heat
how much of the excess reactant remains after the limiting reactant is completely comsumed?
What mass (in grams) of CH4 is contained in a 555 mL volume at a pressure of 760.0 torr, and at a temperature of 400.0 K?
calculate the PH of a buffer solution prepared by dissolving 21.5 g benzoic acid and 37.7g sodium benzoate in 200.0 mL of solution?
Choosing CO^2+, write a series of two balanced chemical equations representing the reaction that occurs when HCl and NH3 are added to an aqueous solution of the transition metal cation.
during exercise a person breathes in between 100 and 200 L of air er minute. if a person is exercising enough to breathe in an average of
Compute the number of rads and rems of radiation in five years from such a level of plutonium.
The activation energy for a particular reaction is 95 kJ/mol. By what factor will the rate constant increase when the temperature is increased from 50 oC to 62 oC?
What volume of O2, measured at 25C and 1.00atm, is expelled when 425ml of water saturated with O2 is heated from 0 to 25C?
Consider a container sealed with a small opening. A mixture of several gases are added to the container. Assuming the gases do not react, indicate the order that the gases escape out of the container
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