The best and most correct answer among the choices provided by your question is the first choice or letter A "<span>The chemical bonds of the products have more energy than the chemical bonds of the reactants."
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The term endothermic<span> process describes a process or </span>reaction<span> in which the system absorbs energy from its surroundings; usually, but not always, in the form of heat.</span>
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A precipitation reaction refers to the formation of an insoluble salt when two solutions containing soluble salts are combined. The insoluble salt that falls out of solution is known as the precipitate, hence the reaction's name.
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Salt has long been used for flavoring and for preserving food. It has also been used in tanning, dyeing and bleaching, and the production of pottery, soap, and chlorine. Today, it is widely used in the chemical industry.
- Heat energy<span> is the result of the movement of tiny </span>particles<span> called atoms, molecules or ions in solids, liquids and gases. </span>Heat energy can<span> be transferred from one </span>object<span> to another, and the ... It is everything in the universe – anything that has both </span>mass<span> and </span>volume<span> and takes up ... An </span>effect<span> of heat – expansion.</span>
