Read the information in the table below: reaction a energy to break bonds is more than energy release to form bonds b energy to break bonds is less than energy release to form bonds which type of reaction is represented by b? endothermic reaction exothermic reaction reaction between liquids reaction between solids

Exothermic Reactions

Reaction B is exothermic

Explanation:

From the context of thermodynamics, chemical reactions can be broadly classified as endothermic and exothermic reactions.

Endothermic reactions involve absorption of energy and show a positive value for the reaction enthalpy i.e. ΔH is positive. In contrast, exothermic reactions are accompanied by the release of energy and show a negative value for the enthalpy change i.e. ΔH is negative.

In a given chemical reaction energy is required to break bonds and it is released during the formation of new bonds.

The Reaction B is such that, the energy required to break bonds is less than energy released during formation bonds. Therefore, since there is a net release of energy, the reaction is exothermic.

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.

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