Question

Write the chemical formula(s) of the product(s) and balance the following reactions. Identify all product phases...

Write the chemical formula(s) of the product(s) and balance the following reactions. Identify all product phases as either (g)as, (l)iquid, (s)olid or (aq)ueous. Soluble ionic compounds should be written in the form of their component ions. ***I am really looking to understand how to answer these so that I will be able to do them later ***

a) sulfuric acid(aq) + barium nitrate(aq) --->

b) octane(g) + oxygen(g) --heat-->

c) hydrochloric acid(aq) + barium hydroxide(aq) --->

d) zinc(s) + nickel(II) chloride(aq) --->

e) perchloric acid(aq) + potassium carbonate(aq) --->

f) ammonia(aq) + hydrochloric acid(aq) --->

g) sodium sulfide(aq) + aluminum nitrate(aq) --->

Homework Answers

Answer #1

Aqueous salts are strong electrolytes, they dissolve in water to give corresponding ions. Remember, H2O is expressed as liquid as it is not a strong electrolyte. Salts which precipitate in the solution are expressed as solid. Solubility products of these salts in water are very small. So they are called weak electrolytes, e.g., Al2S3 , Ba(SO4)2 etc. In a combustion reaction hydrocarbons(comprising of H and C) react completely with oxygen to give CO2 and H2O.

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