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What do R and P most likely represent?

A.) R represents chemical energy, P represents thermal energy
B.) R represents thermal energy, P represents chemical energy
C.) R represents potential energy, K represents electrical energy
D.) R represents electrical energy, K represents potential energy

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Answer is: A.) R represents chemical energy, P represents thermal energy.

A natural gas stove transforms R energy into P energy.

For example methane is natural gas.

Balanced chemical reaction of methane combustion:

CH₄(g) + 2O₂(g) → CO₂(g) + 2H₂O(g) ΔH = -802.3 kJ.

This is exothermic reaction, energy is released in form of heat.

The law of conservation of energy states that the total energy of an isolated system remains constant; energy can neither be created nor destroyed; it can only be transformed or transferred from one form to another.

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