Recent questions in Surface Chemistry

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How does the mechanism of adsorption differ between Langmuir and Freundlich isotherms in the context of heterogeneous catalysis?

asked Feb 20 in Surface Chemistry by AntonioDaven (1.7k points)

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What is the maximum surface coverage of nitrogen gas on a platinum surface at 25°C and a pressure of 1 atm, according to the Langmuir adsorption isotherm data with a Langmuir constant of 0.25 L/mole?

asked Feb 20 in Surface Chemistry by KraigQsr2950 (1.9k points)

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What is the maximum adsorption capacity of nitrogen gas on a certain adsorbent material at a temperature of 25°C and a pressure of 5 atm, based on the Langmuir adsorption isotherm with a constant K of 0.2 L/mol?

asked Feb 20 in Surface Chemistry by MontePlott51 (2.0k points)

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What is the maximum adsorption capacity (in moles per square meter) of a surface with a Langmuir adsorption isotherm when the equilibrium constant is 2 x 10^3 M^-1 and the concentration of adsorbate in solution is 5 x 10^-4 M?

asked Feb 20 in Surface Chemistry by Osvaldo14767 (1.8k points)

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How does the Langmuir adsorption isotherm change with a decrease in surface area of the adsorbent?

asked Feb 20 in Surface Chemistry by Mose2866156 (1.6k points)

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How does the Langmuir adsorption isotherm relate to the adsorption of a gas onto a solid surface? Illustrate your answer with a diagram and calculate the monolayer capacity of the solid from the given data using Langmuir's equation.

asked Feb 20 in Surface Chemistry by NFDRoman4328 (1.8k points)

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What is the maximum adsorption capacity of a metal oxide surface for a specific type of molecule at a particular temperature, as determined through the Langmuir adsorption isotherm equation?

asked Feb 20 in Surface Chemistry by AleciaAlleyn (1.5k points)

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1 answer 32 views

What is the maximum adsorption capacity of a solid adsorbent for a gas when using the Langmuir adsorption isotherm equation, given the equilibrium pressure and Langmuir constant at a certain temperature?

asked Feb 20 in Surface Chemistry by AnnettaCampb (1.8k points)

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What is the maximum adsorption capacity of a solid surface for a specific gas at a constant temperature and pressure, given that the Langmuir adsorption isotherm equation is known?

asked Feb 20 in Surface Chemistry by AdelineBurro (1.9k points)

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What is the maximum adsorption capacity of a surface at a given temperature using the Langmuir adsorption isotherm equation if the surface area is 100 cm², the Langmuir constant is 0.05 cm³/mg, and the concentration of adsorbate is 0.1 mg/mL?

asked Feb 20 in Surface Chemistry by DannieRaybur (2.4k points)

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What is the maximum amount of a gas that can be adsorbed onto the surface of a solid adsorbent at a specific temperature and pressure, according to the Langmuir adsorption isotherm equation? Provide an example utilizing experimental data.

asked Feb 20 in Surface Chemistry by Beatris09Q13 (1.9k points)

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What is the interrelationship between the temperature and surface tension of a liquid? How does the temperature of a liquid affect the surface tension? Explain the method to measure surface tension using the capillary rise method.

asked Feb 20 in Surface Chemistry by MarquisMonte (1.9k points)

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How does the interaction between reactant molecules and the surface of a heterogeneous catalyst influence the rate and selectivity of the catalyzed reaction?

asked Feb 20 in Surface Chemistry by NateDicks693 (1.8k points)

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What is the impact of temperature on the surface tension of water and how can it be measured experimentally using a capillary tube and a balance?

asked Feb 20 in Surface Chemistry by JoyEdge34400 (2.3k points)

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1 answer 31 views

What is the effect of the hydrophobic chain length of a surfactant on its critical micelle concentration (CMC) in water? Does increasing the length of the hydrophobic chain increase or decrease the CMC of the surfactant?

asked Feb 20 in Surface Chemistry by VeroniqueBig (1.6k points)

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1 answer 29 views

How does the mechanism of adsorption on the catalyst surface affect the rate of reaction for the production of ammonia through the Haber-Bosch process?

asked Feb 20 in Surface Chemistry by HoraceT7712 (2.0k points)

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How does the formation of surface oxides lead to passivation and prevent corrosion in metals exposed to acidic environments?

asked Feb 20 in Surface Chemistry by AWSReginald (2.2k points)

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How does the formation of a passive layer on the surface of a metal prevent corrosion, and what factors influence the formation of this layer?

asked Feb 20 in Surface Chemistry by RafaelaBabb7 (2.0k points)

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1 answer 30 views

What is the effect of changing the hydrophobic/hydrophilic balance of a surfactant on its foaming capabilities?

asked Feb 20 in Surface Chemistry by TroyWitcher8 (2.1k points)

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1 answer 31 views

What is the mechanism of the catalytic reaction between hydrogen and carbon monoxide on a platinum surface in the Fischer-Tropsch process?

asked Feb 20 in Surface Chemistry by Benedict1233 (1.9k points)

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