In what order are the following components used to create hydroelectric power? 1.reservoir-penstock-turbine-transf ormer-generator-electrical lines 2.reservoir-penstock-turbine-genera tor-transformer-electrical lines 3.penstock-turbine-transformer-gene rator-reservoir-electrical lines 4.penstock-turbine-transformer-gene rator-electrical lines-reservoir

The correct answer is option 2.

Explanation:

1. The water from the reservoir enter the pen-stock which guides the water towards the turbines.

2. The the water flowing down rotates the turbine which is further connected to generator in which electricity is generated.

3. The electricity generated by the generator is routed to wards the transformer which further distributes the electricity in different electrical lines.

The order of generations of hydroelectricity from the water is:

Reservoir→Penstock→Turbine-→Generator-→Transformer-→Electrical lines

answer: the enthalpy of the overall chemical reaction is +87.88 kj or +88 kj.

according to hess's law, the overall enthalpy of a reaction is the difference between the sum of enthalpy values of all the products and the sum of enthalpy values of all the reactants.

δh(reaction) = ∑nδh(products) - ∑nδh(reactants)

δh(reaction) = [δh +δh] - [δh]

δh(reaction) = [1(-287.02) + 1(0) ] - [1(-374.9)] kj = +87.88 kj

here, δh (pcl3) = -287.02 kj, δh(cl2) = 0, δh(pcl5) = -374.9 kj

therefore, enthalpy of the overall reaction is +87.88 kj or +88 kj.

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