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An element have atomic weight 40 and it's electronic configuration is 1s2, 2s2, 2p6, 3s2, 3p6. Then its atomic number and number of neutrons will be:
(1) 18 and 22
(2) 22 and 18
(3) 26 and 20
(4) 40 and 18
Ans: (a)18 and 22
In chemistry, an ideal solution or ideal mixture is a solution with thermodynamic properties analogous to those of a mixture of ideal gases. The enthalpy of solution (or "enthalpy
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In the Lectures where the necessary heat transfer area for the production of aspirin was being discussed, we had calculated (a) the volume of the scaled up version of the tank and
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