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question 1

hydroelectric power is produced using the energy of moving water. how is this process accomplished?

water flowing upstream moves through a channel in a dam. the water moves though a generator that produces electricity, and then it moves to a reservoir.

water flowing downstream moves through a reservoir in a dam and past turbines. it then moves through channels and cause a generator to produce electricity.

water flowing downstream is held up in a reservoir behind a dam. some water moves down channels through turbines connected to generators which produce electricity.

water flowing upstream is in a reservoir behind a dam. the water moves up through channels in the dam where it flows past turbines, moving them and creating electricity.
2 points save answer
question 2

what steps are involved in creating hydroelectric power?

water flows past a paddle that turns a generator attached to a turbine, and this creates electricity.

water falls from a reservoir through a channel to a turbine. the water turns the turbines, which allows the generator to make electricity.

water flows into the reservoir where the generator is located. the generator turns, which causes the turbine to transform electricity.

water falls through a channel to a reservoir where it turns a turbine to generate electricity.

The answer for the first question C the third option and for the second questions its B the second option.

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Explanation:

answer; i believe that the correct answer is (a) potassium(k)

answer: - 3.) the oxidation state of nitrogen in no changes from +2 to 0, and the oxidation state of carbon in co changes from +2 to +4 as the reaction proceeds.

solution: - as per the rules, oxidation number of oxygen in its compounds is -2. the sum of oxidation numbers of all the elements of a molecule or compound is zero.

also, the oxidation number in elemental form is zero.

in no, the oxidation number of o is -2 so the oxidation number of n is +2 so that the sum is zero.

similarly, the oxidation number of c in co is +2 and o is -2.

on product side the oxidation number of n is 0 as it is in the elemental form() .

oxidation number of c in carbon dioxide is +4 as there are two oxygen in it and we know that each oxygen is -2.

so, oxidation number of n is changing from +2 to 0 and the oxidation number of c is changing from +2 to +4.

since nitrogen is reduced and hence no is acting as an oxidizing agent. carbon is oxidized and so co is acting as a reducing agent.

so, the right choice is number 3.)the oxidation state of nitrogen in no changes from +2 to 0, and the oxidation state of carbon in co changes from +2 to +4 as the reaction proceeds.