25 moles of methane gas are contained in a 20-liter container at a pressure of 30 x 10^5 pa. The gas temperature must be?
1 answer:
The gas temperature must be .
Given,
n=25 moles, V=20L, P=30 atm.
We know, PV=nRT,
So, T=PV/nR==292.4689 K=(292.4689 -273)=
A measure of the average translational kinetic energy per atom or molecule in the system, temperature expresses how hot matter is physically. It is the observable fraction of matter's molar thermal energy; heat transfer happens when two objects with different temperatures exchange energy.
Using a thermometer, one can gauge temperature. It is calibrated using different temperature scales, each of which historically defined itself using a different set of reference points and thermometric materials. The Celsius scale (formerly known as "centigrade," with the unit °C), the Fahrenheit scale (with the unit °F), and the Kelvin scale are the three most used scales (with the unit K).
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Answer:
Both reactions proceeds through nucleophilic acyl substitution reaction
Explanation:
- Both these two reactions proceeds through nucleophilic acyl substitution reaction where phenyl magnesium bromide replaces one ethoxide ion.
- Then another another equivalent of phenyl magnesium bromide give nucleophilic addition reaction with resulting keto group to produce triphenylmethanol
- Full reaction mechanism has been shown below
