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strong dependence of electrode potential on pH, pH-dependent redox potential, Ernst equation now includes the H+-acidity. Reduction potential thus decreases by 2.3RT/F = 0.059 V per pH unit, The pH dependence is given by -(0.059 m/n)pH(n=numbre of electrons, m=number of H+) in the equation Aox + mH+ + ne ↔ AredH2
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What happen when water flows through rock?
•Influences pH + redox • •Limestone makes it more basic. • •Sulfur- oxidation yields H2SO4
Where does Redox occur in bacteria?
The Redox 'Battlefield' is the Redox reactions mediated by bacteria.
When was Redox Brands created?
Redox Brands was created in 2000-05.
Is browning banana a redox reaction?
A browning banana is a redox reaction.
How can a galvanic cell become an electrolytic?
the redox reaction is reserved
How do you constructing an eh-pH diagram?
•Vertical lines are pH species •Horizontal lines describe redox changes •pH and redox are diagonal lines
How does litmus in the litmus milk act as a redox indicator?
Litmus milk medium is skim milk to which the dye litmus has been added. Litmus is both a pH indicator and a redox indicator. It is pink at pH < 4.5, purple in middle pH's and blue at pH > 8.3. As a redox dye, in the absence of oxygen (reduced state) it's colorless (white due to milk) and in the presence of oxygen (oxidized state) it is purple.
Why do you care about redox?
•With pH, can determine form of compounds -Solubility -Reactivity -Toxicity •Redox varies hugely in environment
How is the redox reaction of Aluminum different from that of Iron?
iron
What happen when water flows through rock?
•Influences pH + redox • •Limestone makes it more basic. • •Sulfur- oxidation yields H2SO4
Where does Redox occur in bacteria?
The Redox 'Battlefield' is the Redox reactions mediated by bacteria.
What is redox titration?
Redox Titration refers to some titration based on the redox reaction between the titrant and analyte.
What is the difference between a redox indicator and an acid-base indicator?
Redox doesn't use indicators. It uses the natural colouration of the chemicals involved to determine the endpoint and titre. Acid-base titrations use a pH indicator, as otherwise there is often no way to tell the difference between an acidic solution and a basic one.
Is browning banana a redox reaction?
A browning banana is a redox reaction.
When was Redox Brands created?
Redox Brands was created in 2000-05.
What is redox mediator?
A redox mediator is a hyperbranched polymer having redox moieties (e.g. ferrocene) incorporated into its structure and/or chemically bonded to its periphery. It is attached to an electrode and assists in transferring electrons between the electrode and a redox enzyme.
How can you tell for sure that a redox reaction has happened?
if oxidation states change, it is a redox reaction
