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The pressure in a vessel containing methane and water at 70°C is 10 atm. At the given temperature the Henry's law constant for methane is 6.66 x 104 atm/mole fraction. Estimate the mole fraction of methane in the liquid.
find the specific solubilities (in g/100g H2O) in both cold and hot water for AgCl, PbCl2, and Hg2Cl2.
Use the formula for ?G to find ?G for a reaction if ?G° = 7.27 kJ?/?mol, T = 282 K, R = 8.31 × 10?3 kJ?/?mol?•?K, and Q = 0.67. Also, tell whether the reaction will shift toward the products or reactants to reach equilibrium
compound has been analyzed and found to contain the following masses of elements: Carbon 0.2990g, hydrogen 0.05489g, nitrogen 0.2318g, and oxyen 0.1328g. calculate the tmpirical formula of the compound.
The pentapeptide leucylglycylthreonyltyrosylalanine is first incubated with l-fluoro-2,4-dinitrobenzene (FDNB). When the resulting compound is heated to 110oC for 24 h in the presence of 6 M HCl, the solution will contain
calculate the solubility of potassium bromide at 23 degrees celuius.assume that the solubility increases by an equal amount for each degree between 20 and30 degrees
How much energy is released during the complete combustion of 329 grams of cyclobutane ?
How many grams of hydrobromic acid (HBr) must be dissolved in 720 ml of water to make a solution with a pH = 6.2?
Using what you know about acid/base chemistry, determine the immediate effect that two 325-mg aspirin tablets would have on the pH of the stomach. Assume your stomach is half a liter in volume.
Using the data below and Coulomb\'s law, calculate the energy change for this reaction (per formula unit of MgS). Mg + S =Mgs
At 340 K, Kp = 69 for the reaction H2(g) + I2(g) ->2HI(g). 50.0 g of HI is injected into an evacuated 5.00-L rigid cylinder at 340 K. What is the total pressure inside the cylinder when the system comes to equilibrium?
A buffer solution contains 0.386 M NH4Cl and 0.316 M NH3 (ammonia). Determine the pH change when 0.064 mol HBr is added to 1.00 L of the buffer
which effect on atomic size is more significant the nuclear charge or the energy level that electrons are filling?
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