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2H2 + O2 = 2H2O
OXIDE AND CARBON DIOXIDE
Metal carbonates decompose when heated to form......
Some decompose easier than others
Why? Explain in terms of atoms and what does this mean about melting and boiling points?
WEAK INTERMOLECULAR FORCES BETWEEN THEM.
LESS ENERGY
MEANS LOW BOILING AND HEATING POINTS
By Mahira, Beebz
When 2 insoluble substances react together and form a soluble/ insoluble product?
That product is a precipitate
And Eazy-A
(aka Aeman)
Example Calcium carbonate is hardest to decompose and copper carbonate is the easiest
Up to 3 marks
COMPLETE
H2 + 02 = H20
Rearranged to form different substances
ATOMS ARE NOT CREATED OR DESTROYED
Same amount of atoms before and after reaction
PRODUCTS have different properties than reactants
AS NO ATOMS BEEN CREATED destroyed, TOTAL MASS OF ATOMS STAYS THE SAME