1) what mass of aluminium oxide is produced when 135g of aluminium is burned in oxygen? 2 AI + 3 O2 —> AI2O3

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

What are the major types of a chemical compound

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene