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Desiccants (drying agents) can often be regenerated by heating. A desiccant that is commonly regenerated is
CaSO4?2H2O:
CaSO4?.2H2O(s) → CaSO4(s) + 2H2O(g)
?Ho = 25.1 kJ/mol; ?So = 69.3 J/molK
Regeneration is carried out at 250 oC.
a) What is the ?Go for this reaction?
de-Broglie equation is: (1) n γ= 2d sin θ (2) E= hv (3) E= mc 2 (4) γ= h/ mv Ans: γ= h/ mv
sodium does not react with a) Carbon b) Nitrogen c) Hydrogen d)both a an b
Give the styx code of b4h10 and which type of bond present in it?
WATER =1.3330 SEAWATER=1.33940 OIL=1.5204
what is the chemistry behind haloform reactions?
PFEFFER METHOD
The number of electrons that can be accommodated in dz 2 orbital: (1) 10 (2) 1 (3) 4 (4) 2 Ans: 2
why ionisation energy of aluminium is greater then Ga?
The elements of first transition series from variety of oxides of different oxidation states having general formulae MO, M 2 O 3 , M 3 O 6 , MO 2 , MO 3 . These oxides are gene
external treatment of hard water? Demineralisation of British water
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