What is radius of gyration, why is it important in catalysis.

Pyrolysis gas chromatography is a particularly valuabletechnique for characterizing paint’s (binder, pigments).

Most car oil is 5 W – 30. What does that mean?

The aquation of tris(1,10-phenanthroline)iron(II) in acid solution takes place according to the following chemical equation: Fe(phen)32++ 3 H3O++ 3 H20 → Fe(H2O)62+ + 3 phenH+ If the activation energy, Ea, is 126 kJ/mol and the rate constant at 30°C is 9.8 x 10-3 min-1, what is the rate constant at 45°C? O 1.1 x 103 min-1 O 1.1 x 10-1 min-1 9.3 x 10-4 min-1 9.6 x 100 min-1