Water is boiled by burning coal. The resulting steam blows agains huge turbine blades. The turning blades spin in a magnetic field, producing electricity. Describe in order the energy conversions.

Answer 1

C + O2 ---> Co2 gas and heat (combustion)
Heat of vaporization + water ---> steam under pressure

Expanding steam ---> kinetic energy of H2O molecules passing blades and moving them

blades turn hub, torque * angular speed is rotational mechanical energy

Moving coils in magnetic field --> electrical energy.

Answer 2

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