Topic 1&2 - The Earth - Atoms And Mass In Chemical Reactions Flashcards
1
Q
What is a precipitation reaction?
A
A reaction where two solutions react and an insoluble solid is formed in the solution.
2
Q
How does the total mass of the products of a reaction compare to the total mass of the reactants? Explain your answer.
A
The total mass of the products of a reaction is the same as the total mass of the reactants. This is because no atoms are created or destroyed during a chemical reaction, so no mass is gained or lost.
3
Q
What are the smallest particles that can take part in a chemical reaction? What happens to these particles during a reaction?
A
Atoms are the smallest particles that can take place in a chemical reaction. During a reaction, they are arranged in different ways to give new products.
