The molar concentration of a solution, usually expressed as the number of moles of solute per liter of solution.
Answer:
Option (B) is correct
Explanation:
Oxidation:
Reduction:
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Overall:
Nernst equation for this cell reaction at :
Where, n is number of electron exchanged and species inside third bracket represents concentrations in molarity.
Here, n = 2, and
So, plug in all the given values into above equation:
So,
As the value "0.059" varies from literature to literature and is most closest to therefore option (B) is correct.
Since SeO2 dissolves in water to produce selenium acid, it is regarded as an acidic oxide.
The chemical compound having the formula SeO2 is known as selenium dioxide. One of the forms of selenium that is most frequently seen is this colorless solid. 350 °C (662 °F; 623 K). The chemical compound having the formula SeO2 is known as selenium dioxide. One of the forms of selenium that is most frequently seen is this colorless solid. It serves as a catalyst, reagent, oxidizing agent, and antioxidant in lubricating oils. OSHA regulates selenium oxide; thus, it is listed on the Hazardous Substances List. It can be produced chemically by dehydrating selenous acid or chemically by burning selenium in oxygen, nitrogen dioxide, or hydrogen peroxide.
Learn more about Selenium dioxide here-
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Answer: The equilibrium concentration of CO at 1000 K is 0.016 M , the equilibrium concentration of at 1000 K is= 0.033 M and the equilibrium concentration of at 1000 K is 0.139 M
Explanation:
Initial concentration of
Initial concentration of
The given balanced equilibrium reaction is,
Initial conc. 0.1550 M 0.172 M 0 M
At eqm. conc. (0.1550-x) M (0.172-x) M (x) M
The expression for equilibrium constant for this reaction will be,
we are given :
Now put all the given values in this expression, we get :
Thus the equilibrium concentration of CO at 1000 K is= (0.1550-x) M =(0.1550-0.139) M = 0.016 M
Thus the equilibrium concentration of at 1000 K is= (0.172-x) M =(0.172-0.139) M = 0.033 M
Thus the equilibrium concentration of at 1000 K is= x M = 0.139 M
Answer:
Chemical weathering because the landform changed color
Explanation: