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Physical Chemistry
what are the significance of 'a' and 'b' in van der waal's equation?
Physical Chemistry
why does a single chlorine atom is having more energy than many chlorine atoms formed due to chemical bond
Physical Chemistry
why does unbonded atom has more energy than the bonded atom formed by chemical bond?how?
Physical Chemistry
The degree of dissociation of pcl5 at a certain temp and pressure is 0.2. Calculate the pressure at which it become 50% temp remaining constant.
Physical Chemistry
Consider the dissociation of methane, CH4(g) into the elements H2(g) and C(s,
graphite).
(i) Given that the enthalpy and entropy of formation of methane are –74.85
kJ mol –1 and –80.67 J K–1 mol –1 respectively at 298 K, calculate the
standard Gibbs energy for the dissociation and the equilibrium constant
K. [5]
(ii) Deduce the expression for the degree of dissociation α (also known as
extent of reaction) for this reaction.
graphite).
(i) Given that the enthalpy and entropy of formation of methane are –74.85
kJ mol –1 and –80.67 J K–1 mol –1 respectively at 298 K, calculate the
standard Gibbs energy for the dissociation and the equilibrium constant
K. [5]
(ii) Deduce the expression for the degree of dissociation α (also known as
extent of reaction) for this reaction.
Physical Chemistry
Oxides of a metal containing 22.53% and 50.45% oxygen, and in the first valence metal oxide is II, and the second - VII. Based on calculations of equivalent weight metal oxides, name metal .
Physical Chemistry
how to write molecular orbital electronic configurations? Pl. say a short cut to remember the series
Physical Chemistry
Carbon monoxide, which is also produced in fires, cannot be absorbed by lithium hydroxide. Explain why.
Physical Chemistry
Na+ and Al+++ which has more ionisation energy???
Physical Chemistry
Na+ and Mg++ which has more ionization energy ???
