In the following reduction of iron ore, 3C + 2Fe2O3 → 4Fe + 3CO2, iron is reduced and is oxidized. A)

carbon

B)

carbon dioxide

C)

oxygen

D)

iron oxide

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

Nthis lab, you will do experiments to identify types of changes. using the question format you learned (shown above), write an investigative question that you can answer by doing these experiments