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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)
Q. Explain important properties of energy? Properties of Energy There are two important laws that explain the important properties of energy: Conservation of Energy (
What practical applications does amperometry have? may I get elaborated answers supported by relevant examples?
Face cetered cubic structure In FCC structure, the atoms are situated at each of the eight corners and at the centers of all cube faces of the unit cell. Every face centered at
What are biamperometric titrations?
Pyroligneous acid - Aldehydes and Ketones Pyroligneous acid consisting of acetic acid, acetone and methyl alcohol that is distilled in copper vessel and the vapours are passed
what are ion? under what conditions are they produced?
This type of cells becomes dead over a period of time and the chemical reaction stops. They cannot be revitalized or used again. Some ordinary examples are dry cell, mercury cell,
A moving particle may have wave motion, if: (1) Its mass is very high (2) Its velocity is negligible (3) Its mass is negligible (4) Its mass is very high and velocity
Cathode rays have
Nucleophilic Replacement Reactions (i) Several replacement reactions, majorly at the saturated carbon atom in aliphatic compounds like alkyl halides, are brought about by nucl
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