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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?
Write the reactions and the conditions involved in the conversion of: a. Propene to 1-Propanol b. Phenol to Salicyclic acid
prepartion
Evaluate the relation between rate constant k 1 and k 2 of a first order reaction when temperature changes from 270 K to 300 K and activation energy is zero?
#space lattice, unit cell, calculation of particles per unit cell, laws of crystallography, symmetry elements in crystals, derivation of braggs equation#
A copper tube 1 inch in diameter and 2 feet long is filled with steel balls of 1 inch diameter. The space between the balls is filled with water. The specific gravity of steel is 7
examples of oxoacids and their definitions
Calculate how the internal energy stored in one O-H bond of H20 Consider the following chemical reaction H20(g)-->2H(g) + O(g) at 298.15 K and 1.00 Bar fH* [H(g)]=218.0 kJ/mole fH*
Physical Properties of Benzoic Acid (a) Benzoic Acid is a white crystalline solid. (b) Benzoic Acid has m.p. 394 K. (c) Benzoic Acid is sparingly soluble in cold water bu
How are standard solutions and titrations are prepared in industry?
what is the chemistry behind the reactions of confirmatory test of sulphide radical of dilute acid group.
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