Find out the molarity of the ethanol in solution
A solution of ethanol (C2H5OH) in water is prepared by dissolving 62.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 235.0 mL of solution. What is the molarity of the ethanol in this solution?
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5.0 g of NaNO3 is dissolved in 50.0 g of water. The initial temperature of the water was 21.0 degrees C and the final temp. Calculate the heat of solution per mole of NaNO3.
With regard to printer output, how was the word spool derived? 4. Describe how multiprogramming systems differ from timesharing systems. 5. What is the most critical factor in the operation of hard real-time systems? 6. Multiprocessor syste
Sodium thisulfate, Na2S2O3, is used as a fixer when developing photographic film. What is the mass in grams of Na2S2O3 needed to make 100ml of a 0.25 solution?
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Write a short paragraph that describes how electrons fit into these higher levels and that explains why a space must be left in the lower periods on the periodic table.
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