Flashcards on Surface Chemistry

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What is Surface Chemistry?

Surface chemistry is the branch of chemistry that deals with the study of chemical reactions occurring at the interfaces of materials, particularly at the surface and in the thin films of substances.

What is Adsorption?

Adsorption is the process of accumulation of a substance at the surface rather than in the bulk of a solid or liquid.

What is Desorption?

Desorption is the process by which an adsorbed substance is released from the surface of a solid or liquid.

What is Catalyst?

A catalyst is a substance that increases the rate of a chemical reaction without undergoing any permanent chemical change itself.

What is Heterogeneous Catalysis?

Heterogeneous catalysis is a type of catalysis in which the catalyst is in a different phase (solid, liquid, or gas) from the reactants.

What is Homogeneous Catalysis?

Homogeneous catalysis is a type of catalysis in which the catalyst is in the same phase (liquid or gas) as the reactants.

What is Adsorbate?

Adsorbate refers to the substance that gets adsorbed on the surface during the process of adsorption.

What is Adsorbent?

Adsorbent is the substance on which adsorption takes place.

What is Physical Adsorption?

Physical adsorption is the adsorption process that primarily involves weak van der Waals forces between the adsorbate and adsorbent.

What is Chemical Adsorption?

Chemical adsorption is the adsorption process that involves the formation of chemical bonds between the adsorbate and adsorbent.

What is Hydration?

Hydration is the process of adsorption of water molecules on the surface of a substance.

What is Oxidation?

Oxidation is a chemical process that involves the loss of electrons or an increase in oxidation state.

What is Reduction?

Reduction is a chemical process that involves the gain of electrons or a decrease in oxidation state.

What is Langmuir Adsorption Isotherm?

Langmuir adsorption isotherm is a mathematical model that describes the adsorption of a gas onto a solid surface.

What is BET Adsorption Isotherm?

BET adsorption isotherm is a mathematical model used to characterize the adsorption of gas molecules on a solid surface.

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Test Your Knowledge


Which branch of chemistry deals with chemical reactions occurring at the interfaces of materials?



What is the process of accumulation of a substance at the surface of a solid or liquid called?



Which type of catalysis involves a catalyst in a different phase from the reactants?



Which adsorption process involves the formation of chemical bonds between the adsorbate and adsorbent?



What is the substance that gets adsorbed on the surface during the process of adsorption called?



What process involves the adsorption of water molecules on the surface of a substance?



What is the mathematical model used to describe the adsorption of a gas onto a solid surface called?



Which chemical process involves the gain of electrons or a decrease in oxidation state?



What is the substance on which adsorption takes place called?



What is the type of catalysis in which the catalyst is in the same phase as the reactants called?




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