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The equilibrium constant for H2(g)+I2(g)->2HI at 40 oC is 20. The vapor [pressure of solid iodine at 40 oC is 0.1 bar. 12.7 g of solid iodine is placed in a 10 L vessel. What is the minimum amount of hydrogen that must be placed in the bulb to remove all of the solid iodine?
the steam distillate contains a significant quantity of water, along with the cyclohexanone. how is the water removed from the steam distillate?
molecular orbital theory compare these species with regard to A. their magnetic character B. net number of pie bonds C. bond orber, and D. bond length
When a solution of a certain gadolinium salt ie electrolyzed with current of 1.0 A for 2.0 h, 0.025 mol of Gd metal forms. Calculate the charge on the gadolinium ion in the salt
Compute the wavefunction and the probability to tunnel, for a proton in the potential: V(x)=0, when x 0.00 nm, and V(x)=2.0*10-19 J otherwise.
How many milliliters of a 9.0 M H2SO4 solution are needed to make 0.25 L of a 3.5 M H2SO4 solution?
Consider a 0.37M solution of each of the following salts in distilled water. Will the solution be acidic, neutral, or basic? You may need to reference a table of Ka and Kb tables values.
what is the voltage after the addition of the following volume of NaI solution? The reduction potential for the saturated calomel electrode is E = 0.241 V.
Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 12.0 torr at 35C. The vapor pressure of pure ethanol at 35C is 1.00x10^2 torr.
A box contains a mixture of small copper spheres and small lead spheres. The total volume of both metals is measured by the displacement of water to be 423 cubic centimeters and the total mass is 4.30kg.
Explain why the melting point of 4-bromonitrobenzene is considerably higher than that of the 2-isomer
Consider a glass of 215 mL of water at 28°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.
The optic nerve needs a minimum of 2.0x10^17 J of energy to trigger a series of impulses that eventually reach the brain.
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