Question

How does an increase in concentration affect a chemical reaction? (3 points)

When temperature increases, what happens to the molecules in a chemical reaction? (4 points)



How do we measure the average kinetic motion of molecules in a solution? (3 points)

Answer 1

An increase in concentration leads to more collisions and an increased reaction rate. Rising temperatures cause molecules to have greater velocity and kinetic energy, resulting in more frequent and effective collisions. Temperature is used to measure the average kinetic motion of molecules in a solution.

Step-by-step explanation:

Effect of Concentration on Chemical Reactions

When there is an increase in concentration of reactants in a chemical reaction, more particles are available in a given space. This leads to a higher number of collisions between the particles, and since the rate of reaction is dependent on collision frequency, the reaction rate increases as the concentration increases.

Effect of Temperature on Molecular Behavior

Increasing the temperature causes molecules in a chemical reaction to move with greater velocity, which leads to more frequent and more forceful collisions. This not only raises the number of effective collisions but also helps a greater proportion of these collisions to overcome the activation energy barrier, thus leading to an increase in the reaction rate.

Measuring Average Kinetic Motion

The average kinetic motion of molecules in a solution is typically measured by the temperature of the solution, as it's directly related to the kinetic energy of the particles. The higher the temperature, the greater the kinetic motion of the molecules.

Answer 2

Step-by-step explanation:

1. Increasing the concentrations of reactants in a chemical reaction would affect a reaction positively by increasing the number of collisions within a particular period which in turn increases the rate of reaction.

2. The molecules gains energy,which enable them to move faster and collide with the right energy for a reaction to take place.

3. The average kinetic motion of molecules in a solution can be measured by measuring the temperature. Temperature is a measure of the average kinetic energy of molecules in a solution.