Chemical changes and structure

Question 1

What does increasing the concentration of a reactant do?

Answer 1

Speeds up the chemical reaction

Question 2

At higher concentrations what are there of

Answer 2

There are more reacting particles in a given volume

Question 3

What does simple Collision Theory state is needed for a chemical reaction to occur

Answer 3

• Reacting particles (atoms, molecules or ions) must collide into each other
• Reacting particles must collide with sufficient kinetic energy
• Reacting particles must collide with the correct alignment