Answer:
The correct answer to your question is the second option
Explanation:
The amount of energy from the products This option is not correct because in a chemical reaction the energy given off or absorved is written at the end of the reaction, it is not a coefficient.
The ratios of the number of moles of each substance that react and that are produced This option is correct, coefficients tell the number of moles of each substance in a reaction.
The physical states of the compounds reacting Physical states are written next to the molecule and using parenthesis. Incorrect
The elements involved in the reaction Incorrect because elements are written with symbols not with coefficients.
