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You are assigned to separate a mixture of benzoic acid and 2-naphthol using acid base extraction. You are given two possible liquids to dissolve the sample in: ethyl acetate and toluene. Which solvent would be a better choice? Why?
You use 25 mL of 6.0 M NaOH to neutralize 50 mL of an unknown acid in a titration experiment. What is the molarity of the acid
A baby with a severe bronchial infection is in respiratory distress. The anethetist administers heliox a mixture of helium and oxygen with 92.3 % by mass O2. What is the partial pressure of oxygen being administered to a baby if atnospheric pressu..
calculate the amount of heat required to heat a 46 sample of ethanol from 10.0 to 18.0. specific heat capacity of
Two flasks are connected with a stopclock. The first flask has a volume of 5 liters and contains nitrogen gas at a pressure of 0.75 atm. The second flask has a volume of 8 L and contains oxygen gas at a pressure of 1.25 atm.
If 67.0 mL of 0.119 mol/L NaOH(aq) and 35.0 mL of 0.193 mol/L HA(aq) are mixed, then what is [HA] at equilibrium? Assume that HA is a weak monoprotic acid with pKa=6.23 at 25oC
how many grams of methane must be combusted to heat 1.20g of water from 23.0c to 93.0c assuming as a product and 100
The normal melting points and boiling points of xenon are -112 deg. Celsius and -107 deg. Celsius, respectively. The Xe triple point is at -121 deg. Celsius and 282 torr, and its critical point is at 16.6 deg. C and 57.6 atm.
Draw an apparatus, list necessary equations and make an illustration/flow graph that shows how to determine the following. the number of hydrate water molecules in an inorganic hydrate
A platinum refinery generates a platinum ingot weighing 150 lb. If the platinum is drawn into wire whose diameter is 6.50 mm, explain how many feet of platinum can be obtained from the ingot
calculate the final temperature of a mixture of 150.0 g of ice initially at -16.5C and 443.5 g of water initially at 84.0C
an aqueous solution is prepared by diluting 3.30 ml acetonech3coch3 d0.789 g ml with water to final volume of 75.0 ml.
20.00mL of radiator liquid, ethylene glycol has a mass of 20.85 g. What is the density of the liquid?
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