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Chemists studied the formation of phosgene by sealing 0.81 atm of carbon monoxide and 1.37 atm of chlorine in a reactor at a certain temperature. The pressure dropped smoothly to 1.55 atm as the system reached equilbrium. Calculate Kp (in atm-1) for
CO(g) + Cl2(g) ↔ COCl2(g)
How would the observed molar mass of the unknown liquid have been affected by the following circumstances. (would it be higher than the true value, lower than the value or remain unchanged.
Epsom Salts is a hydrate, which means that a certain number of water molecules are included in the solid structure. The formula for epsom salt can be written as MgSO4* X H2O
What is the molarity of sodium chloride in solution that is 13% by mass sodium chloride and that has a density of 1.10g/mL
What observed rotation is expected when 1.58M solution of (R)-2-butanol is mixed with an equal volume of a 0.790 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sampling container that is 1 dm long
The density of air under ordinary conditions at 25 C is 1.19g/L. How many kilograms of air are in a room that measures 11.0ft x 11.0ft and has an 10.0ft ceiling. 1 in = 2.54 cm (exactly); 1L= 10^3 cm^3.
How many kJ of heat are required to produce 13.7g NO2, by 2NO2+ O2 --> 2NO2. the heat of reaction is 113.04
when 76.0 grams of calcium and 36.9 grams of nitrogen gas undergo a reaction that has a 90.0 yield what mass of calcium
In the left compartment there is nitrogen at 1.0 atm and 25°C; in the right compartment there is oxygen at the same temperature and pressure. Calculate the entropy and Gibbs energy of mixing when the partition is removed. Assume that the gases are..
How many grams of Fe2O3(s) are produced from 500.0 g of FeS2(s) and 400.0 g of oxygen gas?
A student following the procedure described in this module collected the foll wing data: Mass Mg, m= 0.0243, initial syringe volume, ml=1.0, final syringe volume,ml= 26.5, barometric pressure, torr= 754, temperature,k= 298. Calculate the gas law c..
The density of mercury is 13.595 g cm -3 . What will be this value in SI units? Give the SI units and their symbols for the following physical quantities:
What is the relative concentration of the food dye that gives rise to the green color in Monday's dessert compared to Tuesday's dessert.
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