You have three elements, A, B, and C, with the following electronegativity values: A = 0.9 B = 3.0 C = 3.5 You react the elements to form the substances AB, AC, and BC. Answer the following questions: What type of substance is AB? What types of bonds are present? Explain your answer. What type of substance is AC? What types of bonds are present? Explain your answer. What type of substance is BC? What types of bonds are present? Explain your answer. If any of the substances are ionic compounds, which element is the cation and which is the anion?
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.
You have three elements, A, B, and C, with the following electronegativity values:
A = 0.9
B = 3.0
C = 3.5
You react the elements to form the substances AB, AC, and BC. Answer the following questions:
- What type of substance is AB? What types of bonds are present? Explain your answer.
- What type of substance is AC? What types of bonds are present? Explain your answer.
- What type of substance is BC? What types of bonds are present? Explain your answer.
If any of the substances are ionic compounds, which element is the cation and which is the anion?
Given electronegativity values of elements A,B and C are ;
A= 0.9
B = 3.0
C= 3.5
Higher the electronegativity of element more tendency to gain electron to form anion and lower the electronegativity of element more tendency to donate electron to form cation.
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