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For the given reaction, how many moles of ammonia will result from 3.0 moles of nitrogen and sufficient hydrogen?
N²(g) + 3H² (g) ? 2NH³ (g)
a) 6.0
b) 3.0
c) 1.5
d) 1.0
Polyisobutylene (PIB) is equilibrated in propane vapor at 35 oC. At this temperature, the saturated pressure (p10) of propane is 9050 mm Hg and its density is 0.490 g/cm3
Phosphorus pentachloride decomposes according to the chemical equation Kc=1.80@250C PCL5(g) PCL3(g)+CL2(g) A 0.240 mol sample of PCl5(g) is injected into an empty 3.95 L reaction vessel held at 250 °C. Calculate the concentrations of PCl5(g) and P..
Explain why the salt of a weak acid, as well as the acid itself, must be present to form a bu?er solution.
The compression ratio of today's cars is so much higher than in cars of years past. What is the major advantage of increasing the compression ratio?
calculate the percent yield of C2H5Cl if the reaction produces 188g of C2H5Cl
the hall process for the production of aluminum involves the reaction of aluminum oxide with elemental carbon to give
determine the number of carbon atoms in the compound. Natural abundances: 12C is 98.93% and 13C is 1.07%
what is the mass in grams of 30.0 mL of the liquid propylene gylcol, a moisturizing agent for foods, which has a density 1.036 g/mL at 25 degree Celsius.
A certain substance, intially present at 0.950 M, decomposes by first-order kinetics with a rate constant of 1.25 x10-2 mol m-1 s-1. calculate the time (in seconds) required for the system to reach a concentration of 0.431M
Rank the following nitrogen compounds in order of decreasing oxidation number for nitrogen. Rank from highest to lowest oxidation states. N2,NO2,NO2-,NH3,NO^-3,NO
Tallow is stored in a vertical tank 3 m in diameter and 9?m high. The tank is insulated with a 0.05?m layer of 85% magnesia. To prevent freezing, the tallow is maintained at a temperature of 50oC by condensing steam at 135.8 kPa (abs) in a heating..
A buffer is made by dissolving 0.037 mol of potassium fluoride in 135 mL of 0.0237M hydrofluoric acid. Assume no volume change when the salt is dissolved. Calculate the pH of the buffer.
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