decomposition reactions Flashcards
1
Q
what is a decomposition reaction?
A
a reaction in which a compound breaks down into simpler products
2
Q
what must be required in order for decomposition to occur?
A
a source of energy eg heat (thermal decomposition), light or electricity (electrolysis)
3
Q
eg copper carbonate (thermal decomposition)
A
á copper oxide + carbon dioxide
cuco3 á cuo+co2
4
Q
eg water (electrolysis)
A
á hydrogen + oxygen
h2o á h2+o2
2h2o á 2h2+o2
