I )
Excess sodium hydroxide solution is added to 20.0 mL of 0.184 M ZnCl2,
calculate the mass of zinc hydroxide that will precipitate.
+
NaOH(aq)
ZnCl2(aq)
Zn(OH)2(s)
+
2NaCl(aq)
(4 marks)

In an oxidation-reduction reaction, oxidation is what happens when a reactant

Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle

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