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According to the Bronsted-Lowry definition, which chemical in the following reaction




H3O+ + H2PO4- (Points: 5);H2O;H3O+;H3PO4;H2PO4-;None of the above;2.Which is reduced in the following reaction? 2 Bi3+ + 3 Mg -> 2 Bi + 3 Mg2+ (Points: 5);Mg;Bi;Mg2+;Bi3+;None of the above;3. Which is the pH of a solution with a [H3O+] of 1 ? 10-9 M? (Points: 5);-9.0;5.0;-5.0;9.0;None of the above;4. A sample of helium gas occupies 1,521 mL at 719 mmHg. For a gas sample at constant temperature, determine the volume of helium at 745 mmHg. (Points: 5);5. A gas at a temperature of 85 degrees C occupies a volume of 175 mL. Assuming constant pressure, determine the volume at 15 degrees C. (Points: 5);6. For a gas at standard temperature and pressure with a density of 1.75 g/L, determine its molar mass. (Points: 5);7. Calculate the pressure, in atmospheres, of 3.94 mol CO(g) in a 4.25 L tank at 31 degrees C. (Points: 5);Additional Requirements;Level of Detail: Show all work


Paper#16435 | Written in 18-Jul-2015

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