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At 35°C, K = 1.6 10-5 mol/L for the following reaction. 2 NOCl(g) 2 NO(g) + Cl2(g) Calculate the concentrations of all species at equilibrium for each of the following original mixtures.
(a) 3.2 mol of pure NOCl in a 2.0-L flask NOCL= NO= CL2=
(b) 2.6 mol of NO and 1.3 mol of Cl2 in a 1.0-L flask NOCL= NO= CL2=
(c) 1.2 mol of NOCl and 1.2 mol of NO in a 1.0-L flask NOCL= NO= CL2= '
(d)3.5 mol of NO and 1.2 mol of Cl2 in a 1.0-L flask NOCL= NO= CL2=
(e) 2.0 mol of NOCl, 2.0 mol of NO, and 1.0 mol of Cl2 in a 1.0-L flask NOCL= NO= CL2=
f)1.0 mol/L concentration of all three gasses NOCL= NO= CL2=
An 18-karat gold necklace is 75% gold by mass, 16% silver, and 9.0% copper. How many grams of copper are in the necklace? If 18-karat gold has a density of 15.5
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phosphoric acids, rather than hydrochloric acid, used to catalyze the dehydration of alcohols?
At 25°C, 1.0 g of caffeine is dissolve into 47 ml of water, 18 ml of dichloromethane, into 86 ml of benzene, or into 270 ml of diethyl ether. Which solvent would provide the largest extraction coefficient (KD). Briefly explain.
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The normal melting and boiling points of O2 are -218C and -183C respectively. Its triple point is at -219C and 1.14 torr, and its critical point is at -119C and 49.8 atm.
What is the probability of locating an electron between x = 0 and x = 0.2 nm in its lowest energy state in a conjugated polyene molecule
Hydrocarbons are often reacted with steam to form H2, as shown for propane- C3H8(g) + 6 H2O(g) 3 CO2(g) + 10 H2(g) Calculate Kp for this reaction at a particular temperature
Which choice is closest to the longest wavelength that will remove an electron from the n=3 level of the hydrogen atom? (hint: what would you use for the value of nfinal when the electron is completely removed from the atom?)
A solution was prepared by dissolving 28.0g of KCl in 225g of water. Calculate the mass percent of KCl in the solution.
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