Apopular way in chemistry to demonstrate oxidation states is to show the color changes that occur as chromium is reduced. a. a solution of potassium dichromate is reduced to chromium(ll) ions by zinc metal in the presence of an acid causing the solution to change in color from orange to green. what is the oxidation state of the chromium in the potassium dichromate molecule? b. write the balanced half reactions and net ionic equations for this reaction. c. this green solution of chromium (ll) can be further reduced by zinc metal to a blue solution containing chromium(ll) ions. write the balanced half reactions and net ionic equation for this reduction
Answers: 2
Chemistry, 21.06.2019 17:00, zaehairston78531
What is the nature of the ca-cl bond in a molecule of calcium chloride (cacl2) if the electronegativity value of calcium is 1.0 and that of chlorine is 3.16?
Answers: 1
Chemistry, 22.06.2019 22:10, preachersgirl5
What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added
Answers: 1
Chemistry, 22.06.2019 23:30, sanociahnoel
The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point
Answers: 1
Chemistry, 23.06.2019 03:00, duplessistoccara
Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?
Answers: 2
Apopular way in chemistry to demonstrate oxidation states is to show the color changes that occur as...
English, 12.11.2020 02:40
English, 12.11.2020 02:40
Biology, 12.11.2020 02:40
English, 12.11.2020 02:40
Mathematics, 12.11.2020 02:40