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A mixture of 1.57 mol N2, 1.92 mol H2 and 8.13 mol of NH3 is introduced into 20.0L reaction vessel at 500k. At this temperature, the equillibrium constant Kc for the Reaction
N2(g) + 3H2(g) ---->2NH3(g) is 1.7x 10^2. Is the reaction mixture at equllibrium? If not, what is the direction of the net reaction?
The blood buffering system is aided by the enzyme carbonic anhydrase, which interconverts carbon dioxide and water to bicarbonate and H
at 710. mm hg a sample of nitrogen gas occupies 625 ml. what volume does the gas occupy if the temperature remains
A sample of CO2 gas which weighs 1.62 grams has a volume of 1.02 liters when collected at 20°C. What would be the pressure of the gas sample
If the concentration of fluoride in fluoridated drinking water is 1 x 10 ^-5 M and the calcium ion concentration in blood is 2.5 x 10^ -3 M, why is there no danger of CaF2 precipitating in the blood stream, after drinking the water?
We wish to lower the freezing point of the water in an automobile radiator to -40 C. The total mass of water present is 12.0kg. For which one for the following compounds would we have to use the greatest mass of solute to achieve this
the highly reactive oh radical a species with an unpaired electron is believed to be involved in some atmospheric
A Nylon 4-6 polymer with an average molecular weight of 10,000g/mol is reffered to as Nylon 4-6 (10,000). If one repeat unit of Nylon 4-6(10,000). If one repeat unit of Nylon 4-6 has a molecular weight of 198.26 g/mol, how many repeat units are pr..
what is the density of a block of marble that occupies 238 cm3 and has a mass of 973
A mixture of propane and butane is fed into a furnace where it is mixed with air. The furnace exhaust leaves the furnace at 337°C, 786.0 mmHg and contains only N2, O2, CO2, and H2O
consider this equation 2al 3br2 --gt 2albr3 react according to this equation19.00 g of al and 14.6 g of br2nbsp used
Calculate the activation energy of a certain reaction from the following data: Temperature, degree C Rate Constant 24 7.41x10^-4 48 1.39x10^-1
In a gas mixture the partial pressures are nitrogen 425 torr, oxigen 115 torr, and hellium 225 torr. What is the total pressure (atm) exerted by the gas mixture?
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