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For a reversible process involving ideal gases in a closed system, show that
ΔS = Cv ln(T2/T1) for a constant volume process
ΔS = Cp ln(T2/T1) for a constant pressure process
ΔS = R ln(V2/V1) = R ln(P1/P2) for an isothermal process
b. Determine the change in entropy when 2 kg of a gas at 277 K is heated in a closed, rigid container to a temperature of 368 K. Take the specific heat at constant volume to be 1.42 KJ/Kg.K
c. Calculate the entropy change when 1 kmol of an ideal gas at 300 K and 10 bar expands to a pressure of 1 bar if the temperature stays constant.
d. What is the change in entropy when 1 kmol of an ideal gas at 335 K and 10 bar is expanded irreversibly to 300 K and 1 bar? C = 29.3 KJ/(kmol K)
Lowest sum rule - iupac system of nomenclature previously it may be noted that, the numbering of the parent chain consisting of two or more substituents was done in such a way
how alkenes oxidise with potassium
1 gm of a metallic oxide on reduction gives 0.68 gm of the metal. ans) Mass of metal/mass of oxygen=eq. mass of metal/eq. mass of oxygen. applying this we get .68/.32=x/8 x=1
Photon absorption for IR spectroscopy Photon absorption for IR spectroscopy
Q. What is Stoichiometry? Ans. As you know a chemical equation is like a recipe. Each of the different ingredients combine in certain ratios to form the end product. The
Q. Explain about Molecular orbital theory? Molecular orbital theory is a completely different approach. It starts with identifying the metal orbitals and the ligand orbitals (h
what is molality?
how analysis of iodine value
What is basically Gibb''s free energy change?Why it is required and How is related to spontaneity of a chemical reaction ? Ans) The energy associated with a chemical reaction t
What is the Bond Order of Li(2)(minus) anion molecule? Ans) No. of bonding elecrtons =3 (valence), anti bonding =0 (given its state) thus =bond order =3/2=1.2
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