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At 2000 degrees c, the equilibrium constant for the reaction 2NO(g)-> N2(g)+O2(g) is Kc=2.4 x 10^3. A. If the initial concentration of NO is 0.177M , what are the equilibrium concentration of NO? B. If the initial concentration of NO is 0.177M , what are the equilibrium concentration of N2 ? C. If the initial concentration of NO is 0.177M , what are the equilibrium concentration of O2?
In an experiment, 1.26 grams of iron combines with oxygen to give a compound that has a mass of 1.80 grams. What is the empirical formula of the compound?
A magnesium goes from its grond state to its first electronically excited state. I assume the ground state is a singlet.
Calculate the amount of heat required to heat a 3.5 kg gold bar from 21 degrees celsius to 67 degrees celcius.
In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 21.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142 km trip in Europe?
If the temperature probe in an experiment is not calibrated and the values are 3.5 degrees C higher than they should be, what effect will that have on the delta T values when the initial value is measured with the thermometer and the latter is mea..
A solution is prepared by dissolving 30.0 g of Na2SO4 in enough water to make 750.0 mL of solution. A 10.00 mL portion of this solution is then diluted to a final volume of 100.0 mL.
Limestone (CaCO3) is used to remove acidic pollutants from smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite
With acid-catalyzed condensation of a molecule with two aldehyde groups that is suitable for forming 5- or 6-membered rings, are both carbonyls protonated right away at the same time
the appropriate number of significant figures. Use leading zeros if appropriate.
Radical chlorination of pentane is a poor way to prepare 1-chloropentane but radical chlorination of a neopentane, (CH3)4C, is a good way to prepare neopentyl chloride
How many moles of Na3C6H5O7 can be produced if one tablet containing 0.0164 mol of NaHCO3 is dissolved?
How much heat is required to convert 32 g of ethanol at 27 degrees C to the vapor phase at 78 degrees C?
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