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A graduated cylinder containing ethanol was inverted into a 0.0C slush of ethanol and a (corrected) volume of air of 3.0mL was left at the top. Assuming no ethanol evaportated at room temperatur, calculate the number of mols of air (n air) trapped in the graduated cylinder. Atompheric pressure was 750 mmHg
1) When the temperature of the ethanol bath was 50.0C (a corrected) volume of 6.0mL was left at the top
2) What was the pressure of air trapped (P air) in atm?
3) What was the vapor pressure of ethanol at that temperature in atm
what will be the new gas pressure if a gas held at 798 mmhg in a 400 ml released into a 3 l flask.what are the
How many grams of water are needed to react with 78.0g CaCN2? How many grams of NH3 are produced from 5.19g CaCN2?
Beginning with 2.5g of manganese(ii) chloride and 6.991g of sodium acetate in 100mL of water, add 11mL of acetylacetone to get phase 2 system, next add 0.491g of potassium permanganatee to 25ml of water and them added to the previous solution. Fin..
Arrange the following in order of decreasing acidity. I. benzoic acid (C6H5CO2H) II. benzyl alcohol (C6H5CH2OH) III. phenol (C6H5OH)
How do you determine number of rings, double bonds, or triple bonds from degrees of unsaturation. For example a substance C8H8 has 5° degrees of unsaturation, so determine the number of rings and double bonds
how many grams of NaNO3 would you add to 250g of H2O in order to prepare a solution that is .200 molal in NaNo3
The Kd of methylene chloride/ water of an organic compound is 2.50 A solution is made my dissolving 48 mg of the compound in 10 ml of H2O. How many mg of the compound will be extracted using 10 ml of methylene chloride
if the height of the mercury column in a leveling bulb is 30 mm greater than that in the gas buret and atmospheric pressure is 670 mm, what is the pressure on the gas trapped in the buret.
explain the interaction effect between nitrogen and phosphorus and nitrogen and potassium. describe the dynamics amoung
Protein Quantification :why did you choose one standard curve over the other for analysis of your unknown?
find the volume of a gas inside a cylinder.1. air trapped in a cylinder fitted with a piston occupies 168.8 ml at 1.08
Determine which half-cell will undergo oxidation and which will undergo reduction, identify anode and cathode, and calculate the voltage for the cell.
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