Write chemical equations to represent the followingreactions.(a) Calcium phosphate is heated with silicon dioxide and carbon, producing calcium silicatephosphorus and carbon monoxide. The phosphorus and chlorine react to form phosphorustrichloride, and the phosphorus trichloride andwater react to form phosphorous acid.(b) Copper metal reacts with gaseous oxygen, carbon dioxide, and water to form green basic coppercarbonate, (a reaction responsible forthe formation of the green patina, or coating, oftenseen on outdoor bronze statues).(c) White phosphorus and oxygen gas react to formtetraphosphorus decoxide. The tetraphosphorusdecoxide reacts with water to form an aqueous solution of phosphoric acid.(d) Calcium dihydrogen phosphate reacts withsodium hydrogen carbonate (bicarbonate), producingcalcium phosphate, sodium hydrogen phosphate,carbon dioxide, and water (the principal reactionoccurring when ordinary baking powder is added tocakes, bread, and biscuits).
Write chemical equations to represent the following
reactions.
(a) Calcium phosphate is heated with silicon dioxide and carbon, producing calcium silicate
phosphorus and carbon monoxide. The phosphorus and chlorine react to form phosphorus
trichloride, and the phosphorus trichloride and
water react to form phosphorous acid.
(b) Copper metal reacts with gaseous oxygen, carbon dioxide, and water to form green basic copper
carbonate, (a reaction responsible for
the formation of the green patina, or coating, often
seen on outdoor bronze statues).
(c) White phosphorus and oxygen gas react to form
tetraphosphorus decoxide. The tetraphosphorus
decoxide reacts with water to form an aqueous solution of phosphoric acid.
(d) Calcium dihydrogen phosphate reacts with
sodium hydrogen carbonate (bicarbonate), producing
calcium phosphate, sodium hydrogen phosphate,
carbon dioxide, and water (the principal reaction
occurring when ordinary baking powder is added to
cakes, bread, and biscuits).
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