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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?
factors that effect the solubility of a solute The solubility of a solute is effected by three factors like 1) Nature of solute 2) Nature of solvent 3) Temperature Nature
Be 2+ is isoelectronic with: (1) Mg 2+ (2) Na + (3) Li + (4) H + Ans: Li +
which of the following is not a characteristic of plunck''s quantum theory of radiation? A) Radiation are associated with energy B) A body can emit less or more than a quantum of e
e
Formation of phenol by dizonium solt #Minimum 100 words accepted#
State the term- solubility Solid solutions are made of a host, the solvent or matrix) which dissolves the solute (minor component). The ability to dissolve is known as solubili
what is the modern purpose of this reaction?
physical and chemical properties of matter
A useful model of interfacial mass transport makes three assumptions: (i) there is a difference between the concentrations of A at the interface, C A denoted C A in Phases I
Thermoplastic: These polymer gets soften on heating and can be converted into any shape that they can retain on cooling. Such polymers that soften on heating and stiffen on coolin
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