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Chemistry

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Arnaldo Bergnaum

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Cards in this guide (13)
How do atoms show both unity and diversity

There are relatively few atoms, but they make many molecules.

What happens to the anode in an electrochemical cell

it loses mass

What happens at the cathode in an electrolytic cell

Reduction occurs at the cathode in an electrolytic cell.

What does a negative cell voltage mean

The reaction is nonspontaneous.

What branch of chemistry studies the flow of electrons

Electrochemistry

Which of the following best describes a galvanic cell

A battery containing a spontaneous redox reaction

Which electrode gets heavier in an electrolytic cell

The electrode where reduction occurs.

Which metal gets coated during electroplating

The cathode gets coated during electroplating.

All life on earth is ultimately dependent on what

The sun for energy

Reduction occurs at which electrode

The electrode that removes ions from solution

What are the half reactions for a galvanic cell with Zn and Mg electrodes apex

-2.71 V

In the reaction mgcl2 plus 2koh mgoh2 mgoh2 plus 2kcl if 3 moles mgcl2 are added to 4 moles koh what determined how much mgoh2 is made

The amount of Koh

Where does reduction occur in an electrolytic cell

Cathode

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