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Suppose at some temperature, Kc= 6.20 X 10^8 for the reaction 2NO(g) + 2H2(g) <--> N2 (g) + 2H2O(g). 5.00 M NO(g) and 5.00 M H2 (g) are placed in a reaction flask. Calculate the equilibrium concentration of H2 (g)
The atmospheric pressure in La Grande (683 atmospheric pressure) is significantly lower than that of Portland
what was the original total concentration of cesium and the corresponding radioactivity in Ci/L?
If the solution is cloudy after precipitation and heating, what does this indicate. Can the solution be filtered at this point
Give the titration curve for the reaction of C5H5N with HCl. The known solution is the acid, and the base is added to the acid.
How many amps are required to produce 28.7 g of lithium metal from a sample of molten lithium chloride
The common forms of nitrogen and phosphorus are N2(g) and P4(s) respectivly. Account for the difference in terms of the single and multiple
determine the minimum length of a surface crack that will lead to fracture. Assume a value of 0.96 for Y.
If 0.1800 g of impure soda ash (Na2CO3) is titrated with 15.66 mL of 0.1082 M HCl, what is the percent purity of the soda ash. Na2CO3(aq) + 2 HCl(aq) ? 2 NaCl(aq) + H2O(mc048-1.jpg) + CO2(g)
An aqueous CaCl2 solution has a vapor pressure of 80.8 mmHg at 50C. The vapor pressure of pure water at this temperature is 92.6 mmHg. What is the concentration of CaCl2 in mass percent
a 12.6 g sample of NH4NO3 is dropped into a constant-pressure calorimeter containing 175 g of water at 23.5 C. What temperature will the water reach, assuming that the calorimeter container does not gain or lose any heat?
An aqueous solution containing 5.85g of an optically pure compound was diluted to 800.0mL with water and placed in a polarimeter tube 10.0cm long. The measured rotation was -5.93degrees at 25degrees C. Calculate the specific rotation of the compou..
A layer of iron(III) oxide forms on the nail, increasing the nail's mass. How much oxygen has reacted with the iron if the mass of the nail has increased to 5.89 g?
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