Explain why each of the following chemical equations is not a correct formation reaction: a. 4 Ga(s) + 3 O₂(g) → 2 Ga203 (s) O This reaction is not balanced. This reaction does not use the correct standard state for one of the reactants. O This reaction shows two moles being formed, not one. b. H₂(g) + O₂(g) → H₂O(l) This reaction is not balanced. This reaction does not use the correct standard state for one of the reactants. O This reaction shows two moles being formed, not one. c. 2 Na(s) + O(g) → Na₂O(s) This reaction is not balanced. O This reaction does not use the correct standard state for one of the reactants. O This reaction shows two moles being formed, not one.
Explain why each of the following chemical equations is not a correct formation reaction: a. 4 Ga(s) + 3 O₂(g) → 2 Ga203 (s) O This reaction is not balanced. This reaction does not use the correct standard state for one of the reactants. O This reaction shows two moles being formed, not one. b. H₂(g) + O₂(g) → H₂O(l) This reaction is not balanced. This reaction does not use the correct standard state for one of the reactants. O This reaction shows two moles being formed, not one. c. 2 Na(s) + O(g) → Na₂O(s) This reaction is not balanced. O This reaction does not use the correct standard state for one of the reactants. O This reaction shows two moles being formed, not one.
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Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.132QP
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Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
Question
Transcribed Image Text:Explain why each of the following chemical equations is not a correct formation reaction:
a. 4 Ga(s) + 3 O₂(g) → 2 Ga203 (s)
O This reaction is not balanced.
This reaction does not use the correct standard state for one of the reactants.
O This reaction shows two moles being formed, not one.
b. H₂(g) + O₂(g) → H₂O(l)
This reaction is not balanced.
This reaction does not use the correct standard state for one of the reactants.
O This reaction shows two moles being formed, not one.
c. 2 Na(s) + O(g) → Na₂O(s)
This reaction is not balanced.
O This reaction does not use the correct standard state for one of the reactants.
O This reaction shows two moles being formed, not one.
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