conservation of mass Flashcards
1
Q
Conversion of mass
A
Total mass of reactants is equal to the total mass of products
2
Q
What else happens to mass in physical changes.?
A
It is conserved (not changed)
3
Q
Mass of wood + mass of Oxygen
A
Total mass of all products
4
Q
What do word equations show
A
Show reactants and products
5
Q
Balanced symbols show three things
A
Formulae of reactants and products
How the atoms are rearranged
Relative amounts of reactants and products
6
Q
Carbon + oxygen
A
Carbon dioxide
7
Q
C + O2
A
CO2
8
Q
Mg + O2=MgO balance
A
2Mg + O2 = 2MgO
