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Questions and Answers
Which of the following is a phenomenon taking place on the surface of substances?
Which of the following is a phenomenon taking place on the surface of substances?
- Sublimation
- Polymerization
- Oxidation
- Crystallization (correct)
What is the enthalpy of adsorption?
What is the enthalpy of adsorption?
- The heat energy required to convert a solid into a gas at the surface
- The energy released when a gas is absorbed into a liquid
- The amount of heat energy liberated when one mole of gas is adsorbed on the unit surface area of adsorbent (correct)
- The energy required to remove one mole of gas from the unit surface area of adsorbent
In the Van't Hoff equation, what does ΔH0 > 0 indicate?
In the Van't Hoff equation, what does ΔH0 > 0 indicate?
- Exothermic reaction
- Equilibrium state
- Endothermic reaction (correct)
- No reaction
Which type of reaction makes adsorption thermodynamically favorable?
Which type of reaction makes adsorption thermodynamically favorable?
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What does accumulation of species on higher concentration on the surface of a substance due to intermolecular force define?
What does accumulation of species on higher concentration on the surface of a substance due to intermolecular force define?
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