Chemistry, 24.03.2020 17:44 hughesbella
Ascorbic acid (vitamin C, C6H8O6) is a diprotic acid (Ka1 = 7.9 × 10-5, Ka2 = 1.6 × 10-12). Calculate the pH of a solution that contains 2.1 mg acid per mL water. (Assume that only the first ionization is important in determining pH.)
Answers: 2
Chemistry, 21.06.2019 23:30
Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.
Answers: 2
Chemistry, 22.06.2019 20:00
Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)
Answers: 2
Chemistry, 22.06.2019 21:30
If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?
Answers: 1
Chemistry, 22.06.2019 21:30
While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars
Answers: 2
Ascorbic acid (vitamin C, C6H8O6) is a diprotic acid (Ka1 = 7.9 × 10-5, Ka2 = 1.6 × 10-12). Calculat...
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