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What is basically Gibb''s free energy change?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
Q. What are the Chemical Properties of Halogens? Ans. he halogens have 7 valence electrons in their outermost shell. Note that 7 is one electron short of the octet.
give one book name about electromatric effect?&author name?
Natural rubber - Types of Rubber It is acquired as latex from rubber trees. The latex is coagulated along with formic acid or acetic acid. The coagulated volume is after that s
How do i figure out number of protons available for reaction with OH- in a oxalic acid+NaOH reaction?
The nucleus of an element contains 9 protons. Its valency would be : (1) 1 (2) 3 (3) 2 (4) 5 Ans: 1
Formaldehyde: Formaldehyde is the initial member of the aldehyde sequence. It is lie in green leaves of plants where its presence is supposed to be due to the reaction of with w
you are provided with a monobasic acid , HX with a concentration in the range of 0.5moldm-3. You arerequired to plan and carry out an experiment to determine that exact concentrati
perkin ring closure reaction of melonic ester with C2H5O-Na+
ramesh wants to coat the below silver articles with gold suggest the suitable coating process for ramesh to choose for coating the articles and justify the reason for the chosen me
Q. Explain about Magnetic Separation ? This process is based on the difference in magnetic properties of minerals. If the ore but not the gangue is attracted by a magnetic fiel
Gibb''''s free energy is the useful work done by the system..... G=H-TS.....If G is negative,the rxn is spontaneous & if G is positive , the rxn is non-spontaneous
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