Answer: Addition of
salt bridge
To generate a standard
electromotive force, an addition of salt bridge is essential to help maintain
electrical neutrality within the internal circuit and prevent the cell from
rapidly running its reaction to equilibrium.
In addition, salt bridge contains potassium
sulfate, an inert electrolyte where its ions will diffuse into the separate half-cells
to stabilize the building charges at the electrodes and produce electricity.
As we know larger the area of contact lesser the pressure. So, in order to reduce the pressure heavy vehicles have broad tyres to increase the area of contact with the ground. Heavy vehicles have broad tyres because broad tyres have large area of contact and less pressure on the ground.
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Answer:
DS = 13865.7[J/K]
Explanation:
We can calculate the energy of the rock, like the potential energy relative to the lake level. Which can be calculated by means of the following expression of the potential energy:
Therefore:
This energy is transformed into thermal energy.
we shall remember that isothermal heat transfer processes are internally reversible, so the entropy change of a system during one of these processes can be determined, by the following expression.
T = 5 + 278 = 283[K]
DS = 3924000 / 283
DS = 13865.7[J/K]
Answer:
"ac = v2/r"
This is the formula and is the main step to learning about how to figure out the centripetal acceleration and force from mass and radius.
I do indeed have the answer but rather than explaining it you should go out and find the answer perhaps by attention