Chemistry, 17.07.2019 16:00 lauriepdx17
If a buffer system containing hydrofluoric acid and fluoride (pka = 3.17) initially has a ph of 3.22 and base is added until a new ph of 4.69 is obtained, how has the ratio of fluoride to hydrofluoric acid changed?
Answers: 1
Chemistry, 21.06.2019 16:30
Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming
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Chemistry, 21.06.2019 20:30
After cloud droplets form, what must happen to them for precipitation to occur?
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Chemistry, 22.06.2019 01:00
Look at the bean data from days 4β6. use these data to explain how natural selection changed the number of dark red walking beans over time. writing part
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Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (Ξ΄ch< (c14h10,s)=β7061 kj molβ1.)
Answers: 3
If a buffer system containing hydrofluoric acid and fluoride (pka = 3.17) initially has a ph of 3.22...
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