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Nitrogen and hydrogen combine at high temperature, in the presence of a catalyst, to produce ammonia.
N2(g) + 3H2(g) --> 2NH3(g)
Assume 0.230 mol of N2 and 0.729 mol of H2 are present initially.
How many moles of H2 remain?
How many moles of N2 remain?
At a particular temperature the equilibrium constant for the reaction: H2(g) + F2(g) ? 2HF(g) is K = 36.0. A reaction mixture in a 10.00-L flask contains 0.42 moles each of hydrogen and fluorine gases plus 0.15 moles of HF.
an ideal gas at 7degc is in a spherical flexible container having a radius of 1.10 cm. the gas is heated at constant
Discuss the key atomic properties (charge, shielding, orbital configuration, etc) that contribute most significantly to following periodic trends 1) Atomic and ionic size 2) Physical properties
how would you prepare 2.0 liters of 0.20 m naoh solution from50 ww naoh solution that has a density of 1.53 gml? all
Silver chloride, often used in silver plating, contains 75.27% Ag. Calculate the mass of silver chloride required to plate 225 mg of pure silver.
Which compounds in problem are isomers? a)2-methylpropane b)2,4-dimethylpentane c)2,2-dimethylpentane d)4-ethyl-2-methylhexane e)2,3-dichloro-4-t-butylheptane f)4-ethyl-7-isopropyl-2,4,8-trimethyldecane g)4-isobutyl-3,4-dimethyl-5-sec-butyloctane..
A student is given an antacid tablet that weighed 5.6832 g. The tablet was crushed and 4.3628 g of he antacid was added to 200 mL fo simulated stomah acid.
What types of bombs were dropped on Hiroshima and Nagasaki, resulting in Japans surrender at the conclusion of WWII? What isotopes were used in the bombs? What were the long term effects of these bombs?
Explain Threshold / NOEL Levels of Chemical Toxins, What is the maximum average daily consumption(g) of such fish that would keep exposure level below the ADI or RfD for the compound?
A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 5.7cm. Its mass is 1.2kg. Calculate the density of the metal.
The water solubilities of oxalic acid and sodium oxalate at room temp are 10g/100ml and 3.7g/100ml respectively. Could you prepare oxalic acid by adding HCl to a solution of sodium oxalate, cooling it to room temp, and filtering the resulting mixt..
What generalization can you make about the rotation of a Fischer projection formula in the plane of the paper? Answer a. 90° rotation results in an enantiomer, 180° rotation results in the identical molecule.
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