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A cylinder, with a piston pressing down with a constant pressure, is filled with 2.20 moles of a gas (n1), and its volume is 47.0 L (V1). If 0.400 mole of gas leak out, and the pressure and temperature remain the same, what is the final volume of the gas inside the cylinder?
How many isomers of dimethylcyclohexanediol could you get from complete hydroboration-oxidation of 1,4-dimethyl-1,4-cyclohexadiene? Draw them all.
A car engine cools efficiently when water is used as a coolant, but the engine does not cool as efficiently with pure ethyl glycol (antifreeze)
Problem- Ksp= 1.45x10^-16 for Ag3PO4. Calculate the molar solubility of Ag3PO4 in a) .010M Na3PO4 solution. b) Pure water c). .010M AgNO3 solution. The correct answers come out to a) 8.13x10^-6 M b) 4.8x10^-5 M c) 1.45x10^-10 M.
Why is acceptable to use a mixture of the alpha and beta anomers of D-(+)-mannose in this reaction? (i.e. why isn't it necessary to use either a pure alpha or the pure beta anomer? 2. What is the role of ferric chloride?
Calculate the pH at the midpoint and at the equivalence point for a titration of 25mL of 0.100M potassium hydrogen phthalate with 0.100M KOH.
What volume of hydrogen gas is required to produce 3.2 mL of hydrogen bromide gas. Molecular formula: HBr
Is the effect of temperature change on the activity of the catalytic enzyme reversible
What is the pH of the solution in the reaction flask at the equivalence point in the titration of 0.200 M KOH by 0.110 M HNO3
The dired sludge is 95% solids (5% water), and the liquid stream contains 8% solids. What is the quantity of dried sludge, and what is the liquid and solids flow in the liquid stream?
question a deep-sea diver uses a gas cylinder with a volume of 50.0 l and a content of 51.2 g of o2 and 132.6 g of he.
Starting with 0.86 moles of HF, calculate the number of moles of H2O that is produced by this balanced reaction.
a sample of an unknown liquid is vaporized in a flask having a volume of 152.1 ml and open to the atmosphere through a
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