Calculate the ph and oh- ion molar concentrations
Calculate the pH and OH- ion molar concentrations when the molar concentration of concentrated hydrochloric acid is12.1M.
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If the pressure of the helium is 44.0 torr, and the nitrogen 615 torr, determine the pressure of the oxygen in the tank? A diver's scuba tank contains a mixture of nitrogen, oxygen and helium at a total pressure of 785.torr.
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The temperature increases from 297.65 K to 305.04 K. Determine the amount of heat released from the reaction. A sample which is having 2.16 g of caffeine (C8H10N4O2) burns in a constant-volume calorimeter that has a heat capacity of 7.44 kJ/K.
Assume that 25.00 mL of 0.100 molar N are titrated with 0.100 molar X and that the pH of the solution is maintained at the1.00 throughout the course of the titration.
Discuss how much energy can be released from converting one neutron from the mass to energy? Where the mass of one neutron is 1.01 amu, and the 1.00 g = 6.02 x 10e23 amu.
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