Chapter 9 - Chemical reactions Flashcards
0
Q
What is a Precipitation Reaction?
A
A Precipitation Reaction is said to have occurred if ions in solution combine to form a new compound that is insoluble in water.
1
Q
What is a Chemical reaction?
A
A chemical reaction occurs when there is chemical change and new substances are formed (different compositions and properties when compared with the initial materials).
2
Q
On the molecular level, what is chemical change ?
A
Chemical change involves the rearrangement of the atoms in the reactants.
3
Q
Conservation of Mass
A
Atoms are conserved in a chemical Reaction.