2.5- BALANCED EQUATIONS AND RELATED CALCULATIONS Flashcards
1
Q
What do equations represent?
A
what happen when chemical reactions take place
2
Q
What are equations based on?
A
experimental evidence
3
Q
What are the starting materials of a reaction called?
A
reactants
4
Q
What do you end up with at the end of a reaction?
A
products
5
Q
What do word equations only give?
A
names of reactants + products
6
Q
What do balanced equations tell us about?
A
amount of substances that react together and are produced
7
Q
When an acid and alkali react, what do you end up with?
A
a salt (also in solution) and water
8
Q
What are spectator ions?
A
they do not take part in the reaction
