Chemistry, 18.02.2021 21:10 completed7
g A solution containing 3.6 mol of benzene ( C6H6 , b. p. 80°C) and 5.4 mol of toluene (C6H5CH3 , b. p 110°C) is placed in a closed container at 35°C. Some evaporation takes place. What is the mole fraction of toluene in the vapor phase when equilibrium is reached? At 35°C, vapor pressures are: benzene 160. torr, toluene 50.0 torr. HINT: Use Raoult’s Law to find the total vapor pressure, then calculate the fraction of the pressure that is due to toluene vapor. A) 0.52 B) 0.67 C) 0.33 D) 0.14 E) 0.60
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Chemistry, 22.06.2019 10:30
If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5
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Chemistry, 22.06.2019 14:20
Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments
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Chemistry, 22.06.2019 14:30
Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false
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Chemistry, 22.06.2019 17:50
You exhale co2 which is produced during cellular respiration. co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid. the more physical activity you engage in, the more co2 your body is producing. you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw. can you see a change in the color of the indicator?
Answers: 2
g A solution containing 3.6 mol of benzene ( C6H6 , b. p. 80°C) and 5.4 mol of toluene (C6H5CH3 , b....
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