Consider the following data on some weak acids and weak bases:
acid base
Ka...
Chemistry, 05.05.2020 18:32 serenityparish
Consider the following data on some weak acids and weak bases:
acid base
Ka name formula Kb name formula
6.8x10-4 hydrofluoric acid HF 1.8x10-5 ammonia NH3
4.9x10-10 hydrocyanic acid HCN 1.7x10-9 pyridine C5H5N
Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on.
solution
a.0.1 M NaCN
b.0.1M NH4Br
c.0.1M KF
d.0.1M KBr
Answers: 3
Chemistry, 22.06.2019 05:50
Calculate the number of molecules present in 0.750 mol of mgo.
Answers: 3
Chemistry, 22.06.2019 10:00
3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?
Answers: 2
Chemistry, 22.06.2019 12:20
Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?
Answers: 3
Mathematics, 08.09.2021 01:00
Mathematics, 08.09.2021 01:00
History, 08.09.2021 01:00
History, 08.09.2021 01:00
Physics, 08.09.2021 01:00
Engineering, 08.09.2021 01:00
Physics, 08.09.2021 01:00
Mathematics, 08.09.2021 01:00
Mathematics, 08.09.2021 01:00
English, 08.09.2021 01:00