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Questions and Answers
What is the defining characteristic of a reversible reaction?
What is the defining characteristic of a reversible reaction?
- It involves only reactants
- It only occurs in one direction
- It proceeds to completion
- It reaches an equilibrium state (correct)
What is the necessary condition for equilibrium in a reversible reaction?
What is the necessary condition for equilibrium in a reversible reaction?
- Equal concentrations of reactants and products (correct)
- Presence of catalysts
- Absence of products
- Unlimited supply of reactants
In a complete reaction, what happens to all the reactants?
In a complete reaction, what happens to all the reactants?
- They are converted into products (correct)
- They disappear
- They are used up
- They remain unchanged
What is the Law of Mass Action related to?
What is the Law of Mass Action related to?
What happens to most chemical reactions in terms of completion?
What happens to most chemical reactions in terms of completion?
What is responsible for the existence of life on Earth?
What is responsible for the existence of life on Earth?
What is the macroscopic characteristic of the reverse reaction in a reversible reaction?
What is the macroscopic characteristic of the reverse reaction in a reversible reaction?
What do reversible reactions in chemistry involve?
What do reversible reactions in chemistry involve?
What is the main characteristic of irreversible reactions?
What is the main characteristic of irreversible reactions?
What is a common example of a reversible reaction in everyday life?
What is a common example of a reversible reaction in everyday life?
What happens when hydrogen iodide is heated in a closed flask?
What happens when hydrogen iodide is heated in a closed flask?
What does the purple color fading in the reaction between hydrogen and iodine indicate?
What does the purple color fading in the reaction between hydrogen and iodine indicate?
What do aquatic plants and animals indirectly depend on for their lives?
What do aquatic plants and animals indirectly depend on for their lives?
What is the main role of equilibrium phenomenon in the atmosphere for life on Earth?
What is the main role of equilibrium phenomenon in the atmosphere for life on Earth?
What does the delicate equilibrium phenomenon support in environmental systems?
What does the delicate equilibrium phenomenon support in environmental systems?
What do irreversible reactions involve?
What do irreversible reactions involve?
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