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Calculate the molar solubility of FeCO3 . How many grams of FeCO3 are present in 15.0 L of a saturated solution?
how many grams of vinegar are required to react completely with 25.0g of baking soda.
Suppose the volume of this system is compressed to one-half its initial volume and then equilibrium is reestablished. what would be the new equilibrium total pressure.
A 99.8mL sample of a solution that is 12.0% KI by mass(d=1.093g/mL) is added to 96.7mL of another solution that 14.0%Pb(NO3)2 by mass (d=1.134g/mL). How many grams of PbI2 should form.
Free radicals are also important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the action of sunlight on air pollutants, is formed in part by the following two steps.
The heat of neutralization of HCl by NaOH is H°rxn = -56.2 kJ/mol. How much heat is released when 125 mL of 1.750 M HCl is mixed with 195 mL of 0.667 M NaOH.
Estimate the ratios of the basic and acidic forms of the histidine side chain
53.0 mL of a 1.70 M solution is diluted to a volume of 278 mL. A 139-mL portion of that solution is diluted using 189 mL of water.
The valve between these Tanks X and Y is opened and the gases are permissible to mix. After the gases have had time to mix, calculate the partial pressure of the oxygen gas?
Krypton crystallizes as a fcc (face centered cubic unit cell) having an edge length of 559 pm. What is the density of solid Krypton?
Determine ΔG for this reaction When A is full into a cylinder at a pressure of 9.89 atm and the system is permitted to come to equilibrium, the final pressure was 15.94 atm.? Express your answer in units of kJ/mol
Assume that a waste contains 395.0 mg/L of biodegradable CH2O and is processed through a 190000.0 L/day sewage treatment plant which converts 40% of the waste to CO2 and H2O.
Determine the percent yield for this reaction as N2(g) + 3 H2(g) ? 2 NH3(g)
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