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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.
What temperature is required to contain gas in a 525 mL flask at 1.23 atm if it originally occupied 555 mL at 755mmHg and 18 degrees celcius
On the obtained mass-spectra you got in the expected parent-ion mass region two adjacent lines with almost the same abundance (m/z=258 -100%, and m/z=260 -97%). Fragments do not show any adjacent abundant lines. What conclusion can you derive from..
When cyclohexane (C6H12) is burned in excess oxygen to produce carbon dioxide gas and liquid water, it releases 3919kJ of heat per mole of cyclohexane burned.
a how many hydrogen bonds can each water molecule participate in?illustrate your answer by drawing as many water
How much heat is required to vaporize 18.5g of water at 100c. The heat of vaporization of water at 100c is 40.7kj/mole.
a gas has a volume of 534 ml at 25 degrees celsius and under a pressure of 73.0 cmhg. correct the volume to standard
Find the value of Kc for the reaction 2 CH4(g) C2H2(g) + 3 H2(g) at 1700 °C if the initial [CH4] = 0.115 M and the equilibrium [C2H2] = 0.04 M.
What volume and mass of steam at 100.°C and 1.00 atm would, during condensation, release the same amount of heat as 100. cm3 of liquid water during freezing.
Phenacetin has the structure shown. Write an equation for its preparation, staring from 4-ethoxyaniline.
Typically, the concentration of hydronium, H+, or hydroxide,OH- , ions in an aqueous solution is less than 1M . It is not uncommon to have hydronium ion concentrations that are much smaller
What volume of glacial acetic acid (1.06g/ml) and what weigh of solid potassium acetate are required to prepare 5 liters of 0.2m acetate buffer, ph 5.0
If an additional .125 mol of the disulfur decaflouride is added and equilibrium reestablished, what will be the concentrations of each component.
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