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A sample of O2 was collected over water at 25C and .865 atm. If the total sample volume was 2.538 L, how many moles of O2 were collected?
Calculate the pH for the following case in the titration of 50.0 mL of 0.140 M HClO(aq) with 0.140 M KOH(aq).HClO is a weak acid with a Ka
What volume, in liters, of O2 at 35 degrees C and 1.19 atm can be produced the decomposition of 50.0 g of KNO3? 2KNO3(s)-->2KNO2(s)+O2(g).
Write out the mechanism for the synthesis of 2-iodobenzoic acid from 2-aminobenzoic acid: 2-aminobenzoic acid + NaNO2 + 2HCl --> 2-iodobenzoic acid
A sample of chromium (III) oxide, Cr2O3, contains 0.599 g of chromium. What mass of oxygen is present
Catalytic hydrogenation of naphthalene with one equivalent of H2 produces a single compound with molecular formula C10H10. What is the structure of this compund
Calculate the pH of 0.300 L of a 0.500 M NaHSO3 / 0.300 M Na2SO3 buffer before and after the addition of the following solutions. Assume that the volume remains constant.
question pure oxygen was first made by heating mercury ii oxide 2hgo --gt 2hgo2.a how many grams of mercury and how
Question- The equilibrium constant Kp for the dissociation of N2O4(g) to 2NO2(g) is 1700 at 227C degree. Predict its value at 27C degree. For this reaction, Change of H is 56.8KJ/mol.
How to determine the percentage difference between the experimental and the predicted value for the rate
4NH3 + 5O2 yields 4NO + 6H2O Given 1.50g of NH3 reacts with 2.75g of O2 which is the limiting reactant?
which catalysts are used for the polymerization of tetraflouroethene to form teflon? and for the polymerization of
Calculate approximately the heat released when you are given a chemical equation as 2-methyl-1-propene CH 3 ) 2 C CH 2 reacts
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