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Consider a 15.0 mL sample of a ternary mixture composed of 25% (by volume) octane, 35% chloroform and 40% 2-propanol. Use the following information to convert volume composition to molar composition:
• Octane (C8H18): formula mass: 114.23 g/mol; density: 0.702 g/mL; bp: 125.7 C• Chloroform (CHCl3): formula mass: 119.38 g/mol; density: 1.48 g/mL; bp: 61.7 C• 2-propanol (C3H8O): formula mass: 60.11 g/mol; density: 0.786 g/mL; bp: 82.4 C
c) Sketch the theoretical distillation curve for 12.0 mL of this ternary mixture. How would you use an experimental distillation curve to determine the unknown %, by volume, composition of any mixture?
Treating 1-butanol with sulfuric acid establishes an equilibrium with 1-butyl bisulfate and water as shown.
Complete this equation to show how hydrofluoric acid, HF, acts as a Brønsted-Lowry acid in water. HF+H2O=?
How many liters of oxygen are needed to exactly react with 19.8 g of methane at STP?
Determine the energy in joules of a mole of photons coupled with red light of wavelength
How many moles of hydronium ion are neutralized by one teaspoonful of Extra strength Maalox plus?
What is the volume occupied by 0.265mol of helium gas at a pressure of 1.28atm and a temperature of 307K
In the combustion reaction of 149 g of propane with excess oxygen, what volume of carbon dioxide if produced at STP?
A person weighing 85 kg running at 16 km/hr requires 4245 kJ of energy per hour. How far must this person run to consume the energy contained in 0.770 kg of sugar?
As a reference, a standard mixture containing 2.26 micrograms Co/mL and 1.92 micrograms Ti/mL was prepared and measured to have a signal-to-signal ratio of 2.41 Ti: 1.00 Co.
Sodium carbonate reacts with hydrochloric acid as shown below in an unbalanced chemical equation. What mass of CO2 is produced from the reaction of 2.94g Na2CO3 with excess HCL
Consider the following electrochemical cell at 298 K. One compartment contains a 1.00-M solution of silver nitrate. The other compartment contains a saturated solution of silver iodide
A catalyst has a avoid fraction of 0.40, an internal surface area of 180 m2/g and a pellet density of 1.40 g/cm3. Estimate the effective diffusivity of thiophene with hydrogen
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