14.(a)Explain the change in mass expected when each of the following substances is heated in an open crucible.
( i)Copper metal.
(ii)Copper (II) nitrate
(b)A certain mixture consists of zinc oxide, iron (III) chloride and potassium chloride sohids.
Describe how you can obtain a solid sample of each of the components of the mixture.​

Two things that biomedical has invented or innvated

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) → 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant