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Problem- A a 7.50 L container holds a mixture of 2 gases at 21'C. The partial pressure of Gas A and Gas B, respectively, are 0.353 atm and .620 atm. If 0.250 mol of a third gas is added with no change in volume or temperature, what will total pressure become?
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Eugenol can also be isolated from cloves using extraction with CO2. discuss the advantages and disadvantages of distillation versus CO2 extraction.
peroxyacetyl nitrate is an air pollutant produced in photochemical smog by the reaction of hydrocarbons oxides of
Question- Calculate the pH of 1.0L solution containing 0.1M NaF and 0.5 M HF when 9.5mL of 2.0M NaOH is added
the precipitation of each ion must be complete (>99.9%) and there must not be more than 0.1% (by weight) of one of the other ions in the precipitate. Explain your answer: nature of precipitate, pH, concentrations etc. Be quantitative in your answe..
Forecast the order of elution of the amino acids from the ion-exchange column. Presume only ionic interations between the amino acids and the resin. Are the amino acids separated from each other
If the solution has the same density as well as specific heat as water, explain what is delta H for this reaction per mole of H2O produced. Presume that the total volume is the sum of the individual volumes
Compute the molarity of an acetic acid solution if 34.57 mL of these solutions are needed to neutralize 25.19 mL of 0.1025 M sodium hydroxide.
calculate the PH at the points in the titration of 20.00 ml of 0.318M NH3 when, a) 10.00 ml and 15.00 ml of 0.475 M HCl have been added.
A 1.07 g sample of sulfur was burned in a bomb calorimeter whose calorimeter constant is 2.03 kcal/°C. If the resulting temperature change was 1.17 °C, what is the molar heat of combustion for sulfur in kcal/mole
from the equation C2H5OH + 3O2 --> 2CO2 + 3H2O, how many mols of ethanol are needed to use up 3.24 mols of oxygen?
Indicate whether the final volume of gas in each of the subsequent is the same, larger or smaller than the initial volume A) A volume of 500ml of air on a cold winter day at 5 degrees is breathed into the lungs
Ammonium chloride is used as an electrolyte in dry cells. Which of the following statement about a 0.10 M solution of NH4CL, is correct?
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