Balancing/writing/ identifying chemical equations and reactions

question

Synthesis
answer

A+B–> AB 2Na + S= 2NaS
question

Decomposition
answer

AB–> A + B Compound- element + element or compound You’ll always get a gas
question

Single displacement
answer

A + BC–> B + AC Element + Compound = new element + new compound
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Double displacement
answer

AB + CD = CB + AD Compound + compound = new compound + new compound
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Combustion
answer

CxHy + O2–> Co2 + H2O ALWAYS
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Diatomic elements?
answer

Heavy Norwegian Oldenburgs Face Clearly Brawny Incidents

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