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2NO (g) + 3F2(g) yields 2NOF3(g). suppose 0.20 mol of NO and 0.30 mol of F2 are added to a 5.0-L container. If x mol of NOF3 is present at equilibrium, how many moles of fluorine are present at equilibrium.
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With the provided indicated equilibrium constant, Is the equilibrium mixture made up of predominately reactants, predominately products or significant amounts of both products and reactants? 2 O 3 (g) -------- 3 O 2 (g ...
A sample of a substance (containing only C, H, and N) is burned in oxygen. 8.696 g of CO 2 , 2.225 g of H 2 O and 4.446 g of NO are the sole products of combustion. What is the empirical formula of the compou ...
What is the volume of a solution with a concentration of 1.2 M that contains 12 g of NaOH?
Sodium sulfide (11.7 g) reacts with hydrochloric acid (16.7 ml, 12.0 M) to yield sodium chloride and hydrogen sulfide. What is the theoretical yield (g) of hydrogen sulfide?
C-14 analysis of the Shroud of Turin has shown that approximately 93% of the 14C present in living matter is still present in samples taken from the shroud. Based on this information, what is the approximate age of this ...
Why do the instructions call for using a saturated solution of NaOH rather than one at lower concentration? Why can we ignored in the calculation of the concentration of NaOH?
The common charges of an element can be related to the electron configuration of the element. Why would copper ions have 2 common charges? Explain each of them in terms of the electron configuration.
A student is doing the experiment Chemical Formulas of Copper Sulfide by heating copper with excess of sulfur at very high temperatures using a Bunsen burner. Copper and sulfur react stoichiometrically and excess of sulf ...
The threshold wavelength for the photoelectric effect for silver is 262nm. What is the work function for silver and what is the maximum KE of an emitted electron if the incident light has a wavelength of 212nm?
How many molecules of butane (C4H10) are contained in a 9.213 g sample? How many hydrogen atoms are contained in this sample?
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