polymers
comparison of biodegradable and non-biodegradable polymers
Benzene and toluene form nearly ideal solutions. At 20°C, the vapour pressure of benzene is 75 torr and that of toluene is 22 torr. The parial vapour pressure of benzene at 20°C for a solution containing 78g of benzene and 46g of toluene in torr is: (a) 50 (b)
The coordination number of a cation engaging a tetrahedral hole is: (a) 6 (b) 8 (c) 12 (d) 4 Answer: (d) The co-ordination number of a cation occupying a tetrahedral hole is 4.
Why do various medications include the hcl? Describe briefly?
what is the relationship between vitamins and enzyme cofactors
The entropy due to the rotational motion of the molecules of a gas can be calculated. Linear molecules: as was pointed out, any rotating molecule has a set of allowed rotational energies. For a linear molecule the
The various elements
Write a short note to describe how to test a gas to see if it was hydrogen or not?
The free energy of a component of a liquid solution is equal to its free energy in the equilibrium vapour.Partial molal free energies let us deal with the free energy of the components of a solution. We use these free energies, or simpler concentration ter
Whether HCl is a base or an acid? Briefly state your comments?
Briefly state that Benzoic acid is weaker than paranitro benzoic acid?
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