The chemical formula of aluminum chloride is AlCl₃ and the chemical formula of aluminum oxide is Al₂O₃.
<h3>Aluminum chloride</h3>
The chemical formula of aluminum chloride is written as;
Al³⁺ + Cl⁻ → AlCl₃
<h3>Aluminum oxide</h3>
The chemical formula of aluminum oxide is written as;
Al³⁺ + O²⁻ → Al₂O₃
Thus, the chemical formula of aluminum chloride is AlCl₃ and the chemical formula of aluminum oxide is Al₂O₃.
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Answer:
Sodium hydroxide solution.
Explanation:
because it is a strong base. Since carbonic acid is a weak acid, a solution formed resists change in pH on addition hence buffer formed.
The correct answer is option c
The statement that is not true about the exothermic reaction is that the potential energy of the product is higher than the potential energy of the reactant. That is option D.
<h3>What is an exothermic reaction?</h3>
An exothermic reaction is the reaction that releases heat to the environment which causes increase in the immediate environment.
The characteristics of exothermic reaction include the following:
- Activation energy of the forward reaction is smaller than the activation energy of the reverse reaction.
- Heat is released to the environment during reaction.
Since there is release of heat, the product will have a lower energy than the reactant.
Therefore, the statement that is not true about the exothermic reaction is that the potential energy of the product is higher than the potential energy of the reactant.
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