Metal Carbonate Decomposition Flashcards
1
Q
what is thermal decomposition?
A
when heat energy is used to break down a substance
2
Q
what do metal carbonates thermally decompose into?
A
metal oxides and carbon dioxide
3
Q
word equation for metal carbonate decomposition?
A
metal carbonate -> metal oxide + carbon dioxide
4
Q
what is downward delivery?
A
when carbon dioxide sinks to the bottom of a tube and stays there until you want to use it
5
Q
why does carbon dioxide often get collected by downward delivery?
A
it is denser than air
