Nelum +23 Days A student separates propanoic acid (b. p. 141 °C) and butanoic acid (b. p. 164°C) using the apparatus shown below. thermometer water A B C electric heater propanoic acid and butanoic acid mixture (b) () . The student has left out one item in setting up the apparatus. (ii) Name apparatus A.

Firstly, the water in the dams hold gravitational potential energy as they are above ground level. the gravitational potential energy is then transferred to kinetic energy as it falls, spinning the turbinethe turbine then spins the generator, which is a large magnet surrounded by metal coils. by doing this, the generator generates electricity. in this action, the energy transfer taken place is kinetic to electric energy

A. burning woodcombustion is the process of burning something. make brainliest if correct

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Higher temperature = molecules move around faster. and vice versa.