chemical equations Flashcards
1
Q
where are the products and reactants in a chemical reaction
A
in a chemical reaction the products are on the right and the reactants are on the left
2
Q
what is the law of conservation of mass
A
the law of conservation of mass is the total mass of the reactants is equal to the total mass of the products
3
Q
what do you use state symbols for in chemical reactions
A
you use symbol equations to provide extra information to tell you if the substances is a solid (s), liquid (l) , gas (g) or dissolved in water (aq)
4
Q
what do you use symbol equations for in chemical reactions
A
you use symbol equations to see how much of each are substance used in a reaction
for example:
CaCO3 → CaO + CO2
