Chemistry, 16.06.2021 18:00 iwannasleep
Cho biết các số liệu sau ở 25oC:Eo(Au+/Au) = 1,7V; Eo(O2/H2O) = 1,23V; hằng số điện
li tổng của ion phức (Au[CN]2) - là 7,04.10-40. Chứng minh rằng khi có mặt ion CN - trong
dung dịch kiềm thì Eo([Au(CN) -/Au) nhỏ hơn Eo(O2/OH -), nghĩa là oxi oxi hoá được vàng.
Answers: 1
Chemistry, 22.06.2019 10:30
Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88
Answers: 1
Chemistry, 22.06.2019 14:30
Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize
Answers: 3
Chemistry, 22.06.2019 16:10
Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)
Answers: 2
Cho biết các số liệu sau ở 25oC:Eo(Au+/Au) = 1,7V; Eo(O2/H2O) = 1,23V; hằng số điện
li tổng của ion...
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