Chemistry, 18.08.2020 18:01 dondre54

A standard galvanic cell is constructed in which a Pb2+ | Pb half cell acts as the cathode. Which of the following statements are correct? 1. Pb is oxidized at the cathode.
2. In the external circuit, electrons flow from the Pb2+|Pb compartment to the other compartment.
3. As the cell runs, anions will migrate from the Pb2+|Pb compartment to the other compartment.
4. The anode compartment could be I2|I-.
5. The anode reaction could be Cr2+ -> Cr3+ + e-

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 16:30, 1020lakyn

Subduction zones occur on earth where dense oceanic crust dives under more buoyant continental crust. these boundaries are characterized by a deep ocean trench next to a high continental mountain range, large numbers of earthquakes and volcanoes. all of this is further evidence for the a) big bang theory b) origin of the species eliminate c theory of plate tectonics d theory of natural selection 4 sedimentary rocks found high in the himalayen mountain

Answers: 1

continue

Chemistry, 22.06.2019 06:30, luhmimi17

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Answers: 1

continue

Chemistry, 22.06.2019 12:30, meghan2529

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?

Answers: 1

continue

Chemistry, 22.06.2019 13:30, makenziehook8

Which is true of a liquid? it has a definite volume but not a definite mass. it has a definite mass but not a definite volume. it has a definite volume but not a definite shape. it has a definite shape but not a definite volume.

Answers: 2

continue

You know the right answer?

A standard galvanic cell is constructed in which a Pb2+ | Pb half cell acts as the cathode. Which of...