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One of the steps in the commercial process for converting ammonia to nitric acid is the conversion of NH_3 to NO: 4NH_3 + 5O_2 yields 4NO +6H_2O In a certain experiment, 2.05g of NH_3 reacts with 3.76g of O_2 How many grams of NO and of H_2O will form? How many grams of the excess reactant remain after the limiting reactant is completely consumed?
What is the percent ionization of a 0.060 M solution of benzoic acid ( a monoprotic acid with Ka= 6.5 * 10^-5)
If a bottle of nail polish remover contains 175mL of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788g/ML.
A student used 20.0 mL of 0.1035 M NaOH to titrate 20 mL of orange juice. How many grams of citric acid were present in the sample? The molar mass of citric acid, H3C6H5O7, is 192.12 g/mol.
a hydrocarbon with an empirical formula CH2 has a density of 1.88 grams per liter at 0 degress C and 1 atm. What is a possible formula for the hydrocarbon?
given an atmospheric pressure of 29.76 in Hg and a reading from a vacuum gauge 29.87 kPa, what is the pressure in the syringe?
The united states food and drug administration requires that any product called vinegar contain at least 4% of weight by acetic acid .Assuming that the density of vinegar is the same as water, does this satisfy the FDA requirement to be called vin..
heat is removed from 200.0 g of water with an initial temperature of 30.0°C? The specific heat of water is 4.184 J/gdeg.
Explain the difference between equivalence point and end point... Explain how the pH at the equivalence point varies as the strength of the acid increases.
In terms of intermolecular foraces, why is there a relationsship between average boiling points and molecular weights?
What is the rate of the reaction if [A] is doubled. Starting with the original concentrations, what is the rate of the reaction if [B] is doubled
If the equilibrium concentration of Cd2+ ion is 1.5 X 10-6 M, calculate the equilibrium concentration of OH- in an aqueous equilibrium between solid Cd(OH)2 and its ions. (Ksp for Cd(OH)2 is 2.5 X 10-14)
If we assume that the volume change is due entirely to this density change (that is we neglect thermal expansion of the ice/water), what is the difference between the enthalpy change and the energy change during theis process? Is this a significan..
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