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The equilibrium constant, Kc, for the reaction at 25 C is 170. Suppose 15.6 g of N2O4 is placed in a 5.000-L flask at 25C. N2O4 (g) ---> 2 NO2 (g) Calculate the following: 1. the amount of NO2 (mol) present at equilibrium. 2. The percentage of the original N2O4 that is dissociated. Please help me the homework question is due soon adn I did the entire homework question like 5 or 6 times and still getting x as 0.16
The Ka for a weak acid, HA is 1.6 x 10^6. What are the pH and degree of ionization of the acid in a 10^-3 M solution. Calculate the pKa and pKb.
A bicycle tire is filled with air to a pressure of 75 psi at a temperature of 19 degrees celcius. Riding the bike on asphalt on a hot day increases the temperature of the tire
Iodine does not have a permanent dipole and is therefore a non-polar molecule. Why Iodine does not have a permanent dipole a) electronegativities of two iodine atoms are identical b) two iodine atoms will cause partial charge separation
Determine the amount of energy needed to turn 10g of H2O from 11degrees Celsius to 101degree Celsius? Draw a graph and colve the problem.
What is the density of a block of marble that occupies 251cm^3 and has a mass of 623g?" answer in units g/cm^3
Organic chemists rely heavily on the spectroscopic methods of IR and NMR. Explain in great detail why the two methods have to be used in tandem to
Thirteen grams of titanium react with 60.0 g of bromine. How many grams of titanium(IV) bromide are produced, assuming 100% yield.
determine the freezing point of this solution If 18.0 grams of a nonelectrolyte that has molar mass = 44.2 g/mol are combined with 110.0 grams of the solvent,?
Calculate the molarity of 500.0 cm3 of solution containing 18.5 g of calcium nitrate Ca(NO3)2
The osmotic pressure of blood at 27 degrees Celcius is 7.7 atm. A solution that is given intravenously must have the same osmotic pressure as the blood.
Find the volume of hydrogen evolved when 3.25g of zinc granules react completely with excess hydrochloric acid solution (Zn=65)
write the formula and structure of potassium hydrogen phthalate used to standardize the solution of NaOH. calculate the molar mass of KHP
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