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How can the enthalpy of the hydrogenation of benzene be measured from its enthalpy of combustion and the enthalpies of combustion of cyclohexane and hydrogen? Make use of Hess's la
When assigning oxidation numbers and you have to do the math to find the oxidation number of something in the compound, what are you ultimately trying to get that compound to equal
give 2 examples of compounds that are bonded in the following ways (a) Hydrogen bonding (b)Vander waal forces (c) Co-ordinate covalent bonding. Explain with the aid of diagram how
What are uses of benzaldehyde
How do you account for the following: (a) All scandium salts are white. (At. No. of Sc = 21) (b) The first ionization energies of the 5d transition elements are higher than
Definitions A Br ø nsted base a proton acceptor, and Br ø nsted acid is a proton donor. In this definition an acid-base reaction accepts protolysis:
The second law states that where dS ≥ dQ/T for a reversible process and dS = dQ/T for an irreversible process. a. Show that since dW 12 = -dW 21 (dW reverse = -dW forwar
kinds of reactions benzene undergoes and why
why is density of interstitial compounds less than that of parent metal ?
what are the application of law of chemical combination?
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