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If the molar solubility of Cd3(PO4)2 at 25 oC is 1.19e-07 mol/L, what is the Ksp of Cd3(PO4)2 at this temperature?
An oxygen bottle containing a fixed volume oxygen gas has a pressure of 800.00 mm hg and a temperature of 295 k. If the bottle is heated to 328k what will the pressure of oxygen gas be within the bottle and which law will you use to solve it?
Is orbital hybridization something that occurs for every atom, or only atoms preparing to form a molecule.
Important information about Identifying unknown substances, Compound A (C7H14O) burned with a yellow, nonsooty flame and did not decolorize a bromine-methylene chloride solution. It did give a positive 2,4-dinitrophenylhydrazine test
Cyanic acid (HOCN) and isocyanic acid (HNCO) differ in the position of their electrons, but they are not resonance structures. Explain.
What is the pH of the solution when 50 grams of Ca(OH)2 was added to 1 liter of water? Ksp of Ca(OH)2 = 6.5 x 10^-6
How would you know which is the most polarizable and how would you order the boiling points from lowest to highest?
aqueous salicylic acid with 0.020 M KOH(aq), calculate the addition of 30.0 mL of KOH(aq)? For salicylic acid, pKa=2.97
A brewery has a horizontal conveyor belt to transfer malted barley from a storage silo to the mash tun (the large vessel where the malted barley is steeped in hot water).
a solution contains 4.00g NaOH, 5.61g KOH, and 1.03g RbOH in 90.0g of H2O. The solution has density of 1.08g/mL. What is the molality of OH?
How many grams of sucrose must be added to 552 g of wwater to give a soution with a vapor pressure 2.0 mm Hg less than that of pure water at 200C ?( the vapor pressure of water at 200C is 17.5 mm Hg)
How many liters of hydrogen gas are collected over water at 20°C and 725 mmHg when 0.75 g lithium reacts with water? Aqueous lithium hydroxide also forms.
Are these analyses correct? (i.e. are the charges balanced?) What partial pressure of CO2 would be at equilibrium with this water
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