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What is the lead ion concentration in a saturated lead(II)chloride solution made by adding solid PbCl2 until no more dissolved?
Use the following data, as appropriate to estimate the molarity ofa saturated aqueous solution of Sr(IO3)2.
A 100.-L flask contains a mixture of methane (CH4) and argon at 25C. The mass of argon present is 228 g and the mole fraction of methane in the mixture is 0.650.
A buffer contains 0.16mol of propionic acid (C2H5COOH) and 0.17mol of sodium propionate(C2H5COONa) in 1.20 L. 1)What is the pH of this buffer?
What mass of CCl2F2 must evaporate in order to freeze 115 g of water initially at 21 C? (The heat of fusion of water is 334 J/g the specific heat of water is 4.18 J/g *K .)
Calculaw the concentration of hydroxide ions in stomach acid at body temperature. ([H3O^+]=0.10M)
You are a hazmat responder and walk into what appears to be a meth lab. There are flasks of iodine, White Gas fuel, Sodium Hydroxide, Nitric Acid, and a box of ephidrine.
Find the temperature capable of expanding 2.500 liters of chlorine at 18.00°C and 0.9000 atm to 5.200 liters. No change in pressure took place.
Explain Cyclopentadiene reacts as a diene in the the Diels-Alder reaction a great deal faster than does 1,3 butadiene.
If the initial concentration of cyclopropane is 0.150 M, what will the concentration of cyclopropane be after 22.0 hours? b) What is the half-life for the conversion process?
Where would we predict benzene to absorb if we treated the pi-electrons as particles on a ring (radius 1.39 A)? What is the % error? I'll give you a hint.
Chemistry of Proteins and Hemoglobin - What is the effect of the following changes on the O 2 affinity of hemoglobin?
Calculate the pH of a solution of CO2 at 38 degrees Celsius in equilibrium with the gas at a particular pressure of 3.55 atm.
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