Podcast
Questions and Answers
Define isoelectronic species.
Define isoelectronic species.
Species having the same number of electrons.
Define Enthalpy (H) and provide its mathematical expression.
Define Enthalpy (H) and provide its mathematical expression.
H = U + PV
Explain ionization enthalpy and its periodic trend.
Explain ionization enthalpy and its periodic trend.
Ionization enthalpy is the minimum energy required to remove an electron from an atom. It increases across a period and decreases down a group due to size decrease and effective nuclear charge increase.
What is ionization energy?
What is ionization energy?
What is the relation between Cp and Cv in thermodynamics?
What is the relation between Cp and Cv in thermodynamics?
How does the ionization energy change across a period?
How does the ionization energy change across a period?
State the second law of thermodynamics.
State the second law of thermodynamics.
What is a spontaneous process in thermodynamics and what is the condition for it?
What is a spontaneous process in thermodynamics and what is the condition for it?
How does the ionization energy change down a group?
How does the ionization energy change down a group?
Give an example of species with 10 electrons.
Give an example of species with 10 electrons.
What is electron gain enthalpy?
What is electron gain enthalpy?
How does electron gain enthalpy vary in the periodic table?
How does electron gain enthalpy vary in the periodic table?
Why is fluorine's electron gain enthalpy more negative than that of chlorine?
Why is fluorine's electron gain enthalpy more negative than that of chlorine?
Why is a cation smaller than its parent atom?
Why is a cation smaller than its parent atom?
What factors affect electron gain enthalpy and ionization energy?
What factors affect electron gain enthalpy and ionization energy?
Explain the relationship between electron-electron repulsion and electron gain enthalpy in fluorine.
Explain the relationship between electron-electron repulsion and electron gain enthalpy in fluorine.
What is Le Chatelier's principle?
What is Le Chatelier's principle?
What are the conditions to increase the concentration of products in a system at equilibrium?
What are the conditions to increase the concentration of products in a system at equilibrium?
Explain the effect of adding a catalyst in a system at equilibrium.
Explain the effect of adding a catalyst in a system at equilibrium.
Define the Arrhenius concept of acids and bases.
Define the Arrhenius concept of acids and bases.
What is the major concept of acids according to the Arrhenius concept?
What is the major concept of acids according to the Arrhenius concept?
Explain the major concept of bases according to the Arrhenius concept.
Explain the major concept of bases according to the Arrhenius concept.
What is the Bronsted-Lowry concept of acids?
What is the Bronsted-Lowry concept of acids?
Describe the Bronsted-Lowry concept of bases.
Describe the Bronsted-Lowry concept of bases.
What is the key difference between the Arrhenius and Bronsted-Lowry concepts of acids and bases?
What is the key difference between the Arrhenius and Bronsted-Lowry concepts of acids and bases?
