Cyclohexane and alcohol related problem
A liquid unknown was found to be soluble in cyclohexane and alcohol; the unknown was found to have a boiling point of 58 C at 670 mm Hg. What is the substance? What could you do to confirm your answer?
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How many grams of acetylene are produced by adding water to 48.3 g CaC2 ?
Calculate the molarity and mole fraction of acetone in a 1.06 m solution of acetone (CH3COCH3) in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm3.) Assume that the volumes of acetone and ethanol add.
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Under water where the temperature is 17C and the pressure is 394 kPa, a diver inhales 2.1 L of air from his SCUBA tank.
A .350 g sample of a biomolecule was dissolved in 15.0 g of chloroform, and the freezing point depression was determined to be .240 degree celcius. Calculate the molar mass of the biomolecule?
A 48.4 mL sample of gas in a cylinder is warmed from 19 degrees Celsius to to 88 degrees Celsius. what is its volume at the final temperature?
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An auto technician spills 85 mL of 2.6 M H2SO4 solution from a rebuilt auto battery. How many milliliters of 2.5 M NaHCO3 must be poured on the spill to react completely with the sulfuric acid, making sodium sulfate, carbon dioxide and water?
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