Question

Pressure of a gas in uniform gravitational field decreases with height

Answer 1

Answer:

Air pressure or the pressure from a container can change the volume and thus the density of an object. Pressure affects the density of gazes the most. .By increasing the pressure on the material, you can often slightly decrease its volume and thus increase its density.

Explanation:

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Answer 2

Answer:

The reaction at the anode is oxidation and that at the cathode is reduction. Here, the anode is positive and cathode is the negative electrode. The reaction at the anode is oxidation and that at the cathode is reduction.