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Results tagged with physical-chemistry
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user 115228
The study of chemical systems using the laws and concepts of physics. This usually requires the techniques of thermodynamics, statistical mechanics and quantum mechanics.
-1
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Accepted
How to identify isochoric process from the problem's wording?
The heat given to a system can be utilised in increasing its internal energy or doing work against the surroundings. This is popularly known as first law of thermodynamics. The change in the internal …
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0
answers
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Products formed on the electrolysis of wet HF
We know that, electroysis of water produces $\ce{O2}$ at anode and $\ce{H2}$ at cathode. In a similar way I thought that on electroysis of $\ce{HF}$ it would produce $\ce{F2}$ and $\ce{H2}$ at their r …
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3
votes
0
answers
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Products formed on the reduction of KMnO4 in aqueous solution
The Latimer diagram for $\ce{MnO^-_4}$ is given below:
$$ \ce{MnO^{-}_4 ->[0.56V] MnO^{2-}_4 ->[2.26V] MnO_2 ->[0.95V] Mn^{3+} ->[1.51V] Mn^{2+} ->[-1.18V] Mn}$$
Then I have calculated the standard re …
- 1,664
3
votes
Why is octasulfur present in equation for standard enthalpy of formation of sulfuric acid?
Here is a definition of standard enthalpy of formation from Wikipedia.
The standard enthalpy of a compound is the change of enthalpy in formation of one mole of the substance from its constituent ele …
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