Podcast
Questions and Answers
Which part of the Helmholtz Layers consists of dehydrated ions that are completely immobilized?
Which part of the Helmholtz Layers consists of dehydrated ions that are completely immobilized?
- Both Inner and Outer Helmholtz Layers
- None of the layers
- Inner Helmholtz Layer (correct)
- Outer Helmholtz Layer
What is the term Ψ in the context of Solid-Liquid Interface?
What is the term Ψ in the context of Solid-Liquid Interface?
- Dielectric constant of vacuum
- Relative dielectric constant
- Electrical double layer charge density
- Electrical double layer potential (correct)
What type of ions are present in the Outer Helmholtz Layer?
What type of ions are present in the Outer Helmholtz Layer?
- Dehydrated ions
- Mobile ions
- Immobile ions
- Hydrated ions (correct)
What aspect is NOT included in the Helmholtz Theory?
What aspect is NOT included in the Helmholtz Theory?
What is the formula for the areal capacity CH of the Helmholtz layer?
What is the formula for the areal capacity CH of the Helmholtz layer?
In the context of Helmholtz theory, what does the dielectric constant ε represent?
In the context of Helmholtz theory, what does the dielectric constant ε represent?
For which type of electrolytes is the theory of Helmholtz layers applicable?
For which type of electrolytes is the theory of Helmholtz layers applicable?
What is the significance of the distance 'd' in the Helmholtz layer formula CH = εε0d?
What is the significance of the distance 'd' in the Helmholtz layer formula CH = εε0d?
What parameter is indicated by the width dHelmholtz = 0.2 nm in the example given?
What parameter is indicated by the width dHelmholtz = 0.2 nm in the example given?
Which layer in the Electrical Double Layer (EDL) model consists of immobile charged ions strongly bonded to the surface?
Which layer in the Electrical Double Layer (EDL) model consists of immobile charged ions strongly bonded to the surface?
What is the primary driving force behind electroosmotic flow in microfluidic systems?
What is the primary driving force behind electroosmotic flow in microfluidic systems?
In the context of the solid-liquid interface, what does the $\zeta$-potential represent?
In the context of the solid-liquid interface, what does the $\zeta$-potential represent?
Which of the following factors does NOT influence the $\zeta$-potential at the solid-liquid interface?
Which of the following factors does NOT influence the $\zeta$-potential at the solid-liquid interface?
In the Gouy-Chapman-Stern model of the EDL, which region represents the diffuse layer of mobile ions?
In the Gouy-Chapman-Stern model of the EDL, which region represents the diffuse layer of mobile ions?
What is the primary advantage of electroosmotic flow in microfluidic systems compared to pressure-driven flow?
What is the primary advantage of electroosmotic flow in microfluidic systems compared to pressure-driven flow?
