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Question- Equal mass of water and ethylene glycol are mixed. What is the vapor pressure of this mixture at 100 °C? The molar masses of water and ethylene glycol are 18.02 g/mol and 62.07 g/mol, respectively. Assume ideal behavior for the solution.
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75.0 g of ammonium sulfate is placed in a 500.0 ml flask and diluted volume. What is the percent by mass concentration of this solution? (assume the solution density is 1.00 g/ml)
For the reaction: V2O5 + 6HCL---> 2VOCL3 + 3H2O If 13.65g of VOCl3 was produced in this reaction, how many grams of V2O5 were reacted in excess HCL
We find that 61.1 mL of an HCl solutionreacts exactly with 74.2 mL of 1.371 M KOH solution. Calculate the molarity of the HCl solution.
Compare the relative greenness of this approach to at least one other extraction method: steam distillation or solvent extraction. List the green chemistry principles that differentiate the two approaches that you compare
Why is it not possible to convert bromobenzene to benzoic acid by the nitrile method and how could this conversion
For each of the subsequent gas-phase reactions state the rate expression in terms of the appearance of each product or disappearance of each reactant.
Explain why gas chromatography usually ramp(increase) the oven temperature during an analysis
calculate the fraction of atom sites that are vacant for lead atits melting temperature of 327oc 600k. assume anenergy
If 1.20 grams of sodium metal are reacted with 2.00 mL of water, how many grams of NaOH will be produced (The density of water = 1.00g/mL)
Na3P + 3H2O ---> PH3 + 3NaOH. What is the theoretical yield of PH3 when 150 grams of Na3P is mixed with 250 grams of H2O? If the actual yield is 30 grams, what is the % yield?
An unknown was then analyzed in this same spectrophotometer, but using a 2.50 cm cell. If the absorbance of the unknown was 0.222 AU, what is the Cu concentration
A 10.0 L vessel at 20*C contains butane, C4H10(g), at a pressure of 2.00 atm. What is the maximum amount of work that can be obtained by the combustion of this butane if the gas is first brought to a pressure of 1 atm and the temperature is brough..
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