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Explain and Define standard feat of formation
Ans) The amount of heat liberated of absorbed when single mole of compound is formed in its standard state from its elements in their standard state is known as standard heat of formation ( Hf *)
lithium and beryllium markedly differ from other members of their respective groups.
What is kinetic molecular theory
1. Air is available at 70°F and humidity of 0.001lb/lb. It is to be treated to yield 130°F and 70% humidity. Offer a reasonable design. 2. A mix of granular ceramic
d block elements boiling point
hittorf rule
how to find equivalent weight of a molicule
what are the oxides and halides of d-block elements? mention them groupwise and comment on the stability of their oxidation state.
preparation of iodoform in lab
The total magnetic quantum numbers for d-orbital is given by: (1) 2 (2) 0, ± 1, ± 2 (3) 0, 1, 2 (4) 5 ans: 5
in Cr atom the number of electron having n+m=3
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