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You have 10 mL of calmagite (molecular weight 358.3g/mol). How much calmagite remains in an aqueous layer after a single 10 mL extraction of ethyl acetate (density 0.897 g/mL). Answer in moles.
Draw the major E2 reaction product formed when trans-1-chloro-2-ethylcyclohexane reacts with hydroxide ion in DMSO
question what is the molecular weight of a volatile liquid if .50 g of the liquid fills a 100 ml flask as a gas at 25
What is the solubility of ZnCO3 at 25 degrees C in a buffer solution with a pH value of 10.33
Calculate the density of hydrogen bromide gas (in g/L) at 733 mm Hg and 47 degrees Celsius
suppose 45.0 g of water at 85 degree celcius is added to 105.0 g of ice at 0 degree celcius. the molar heat of fusion
How many grams of precipitate are formed when 204 mL of a 0.794 M aluminum sulfate soultion and 301 mL of a 1.48 M sodium hydroxide solution are mixed together?
Calculate the boiling point of a solution of 500.0 g of ethylene glycol (C2H6O2) dissolved in 500.0 g of water. Kf = 1.86°C/m and Kb = 0.512°C/m. Use 100°C as the boiling point of water.
The standard enthalpy change for the reaction below is -905.4 kJ (for the reaction as written). What is the standard enthalpy of formation of NO(g)
describe the preparation of 400 mL of a solution that is 0.0500 M in I-, starting with MgI2.
The standard molar enthalpy of formation of ClF3 is -405 kJ. 1/2 Cl2(g) + 3/2 F2(g) → ClF3(g)
A buffer is created by mixing equal concentration is NH4+ and NH3. Calculate the volume of both solutions needed to create a buffer of pH = 8.75 with a total volume of 100ml
Using standard potentials given in the appendices, calculate the standard cell potentials and the equilibrium constants for the following reactions
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