Several students are describing the different parts of the atoms. Which student is correct? 1.
2.
3.
4.

Several students are describing the different parts of the atoms. Which student is correct?

1.
2.

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Ответ:

msjuly723

04.10.2022

Chemistry

The chemical equation is $HCl(g)+NH_3(g)\rightarrow NH_4Cl(s)+42.1kCal$

Explanation:

There are 2 types of reactions that are classified based on enthalpy change:

Endothermic reactionExothermic reaction

Endothermic reactions: They are defined as the reactions where heat is absorbed by the reaction. The change in enthalpy of the reaction is always positive.

Exothermic reactions: They are defined as the reactions where heat is released by the reaction. The change in enthalpy of the reaction is always negative.

Given values:

Energy released for 1 mole of HCl reacted = -42.1 kCal

The chemical equation for the formation of ammonium chloride follows:

$HCl(g)+NH_3(g)\rightarrow NH_4Cl(s)+42.1kCal$

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Several students are describing the different parts of the atoms. Which student is correct? 1. 2. 3. 4.