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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 that can be used to do work. The free energy of a system is the sum of its enthalpy (H) plus the product of the temperature (Kelvin) and the entropy (S) of the system...
DeltaG=Delta H - T Delta S
then a negative Delta G associated with a reaction shows that it can happen spontaneously. This is consistent with the usual chemistry convention of treating work completed by the system as negative work. Most common reactions can be assessed for spontaneity under standard conditions by looking up the associated thermodynamic quantities for every of the reactants and products. For non-standard conditions one can make use of the the expression for ΔG in terms of the other THERMODNAMIC POTENTIAL...
Drugs or Medicines from plants 1. Bark of willow tree that consists of salicylic acid. It is employed to take relief from fever and pain. 2. Alkaloid Reserpine that is taken
The abstraction of a hydrogen atom The H-CN bond is stronger than the O-H bond, the abstraction of a hydrogen atom from HCN by the tert-butoxy radical is endothermic by 528 - 4
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need to know common methods of preparing acetone/propanone. Need to include chemical equation for reaction that produces that molecule.
Explain about the Intrinsic breakdown: It's because of the excitation of electrons into the conduction band across the energy gap under the condition of excessive volt
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The atomic weight is the weight of an atom of a chemical element. For instance, the atomic weight of oxygen is 15.9994 and the atomic weight of hydrogen is 1.0079. Write a script
how to balance chemical eqations
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