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A mixture of 1.374 g of H2 and 70.31 g of Br2 is heated in a 2.00-L vessel at 700 K. These substances react as follows: H2 (g) + Br2 (g) ⇔ 2HBr (g) At equilibrium the vessel is found to contain 0.566 g ofH2.
(a) Compute the equilibrium concentrations of H2,Br2, and HBr.(b) Compute Kc.
Working with triple point, The sublimation pressures of solid chlorine are 352 Pa at -112 C and 35 Pa at -126.5 C. The vapor pressures of liquid Chlorine are 1590 Pa at -100 C and 7830 Pa at -80C
If yeast were supplied with glucose labelled with 14C at the C-1 position to produce ethanol and CO2 anaerobically, would the label appear in the CO2
what is the ph change of a 0.270m solution of citric acid pka 4.77 if citrate is added to a concentration of 0.145m
why is it important that none of the solid CaCl2 be included in the final distillation of 1-bromobutane?
Calculate the time to drain water at 20C from a vertical tank 1.7 m in radius from a depth of 13 m to 1.6 m through a 1 cm in radius pipe 12 m long connected vertically at the bottom of the tank. Take η = 1 cP where 1P = 1 g/(cm s)
the ejected electrons have the speed v=1.06x10^6 m/s. What will be the speed of the electrons ejected from the same metal by a light of wavelength 180nm?
An ice cube at 0 degrees C with a mass of 115 g is added to H2O in a beaker that has a temperature of 64.0 degrees C. if the final temperature of the mixture is 24.0 degrees C, what was the initial mass of the warm water
A vapor composed of 0.45 mole fraction ethanol and 0.55 mole fraction acetic acid at 120.0 mmHg (absolute), is in equilibrium with a liquid phase also composed of ethanol and acetic acid.
A furnace is burning coal at the rate of 950,000 kg of coal/day. The coal contains 5.5% ash and 99% of that ash is collected in the air pollution control (APC) device downstream from the furnace
State net equations for the spontaneous redox reactions that take place during the following or none if there is no extensive reaction.
You can get sunburn on a cloudy day, but you can't get sunburn even on a sunny day behind glass. Explain.
The following three solutions are mixed: 90.0mL of 0.110M Na2SO4 , 45.0mL of 0.250M ZnCl2 , and 100.0mL of 0.20M Ba(CN)2. What ionic compounds will precipitate out of solution? Express as a chemical formula.
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