What are the factors that increase the rate?

Reactant concentration, the physical state of the reactants, and surface area, temperature, and the presence of a catalyst are the four main factors that affect reaction rate.

What are the 5 factors that affect reaction rate?

Five factors typically affecting the rates of chemical reactions will be explored in this section: the chemical nature of the reacting substances, the state of subdivision (one large lump versus many small particles) of the reactants, the temperature of the reactants, the concentration of the reactants, and the …

Which of the following factors are responsible for increase in the rate of surface catalysed reaction?

1)A catalyst provides proper orientation for the reactant molecules to react. 2)Heat of adsorption of reactants on a catalyst helps reactant molecules to overcome activation energy. 3)The catalyst increases the activation energy of the reaction.

Which of the following will increase the reaction rate?

Increasing the concentration of one or more reactants will often increase the rate of reaction. This occurs because a higher concentration of a reactant will lead to more collisions of that reactant in a specific time period. Physical state of the reactants and surface area.

Which factor decreases the rate of reaction?

The reaction rate decreases with a decrease in temperature. Catalysts can lower the activation energy and increase the reaction rate without being consumed in the reaction. Differences in the inherent structures of reactants can lead to differences in reaction rates.

What factors affect chemical change?

Factors that influence the reaction rates of chemical reactions include the concentration of reactants, temperature, the physical state of reactants and their dispersion, the solvent, and the presence of a catalyst.

What are the 4 factors that affect reaction rate?

There are four factors that affect the rate (speed) of a chemical reaction:

• temperature.
• concentration.
• particle size.
• use of a catalyst.

  What are the 4 factors that affect the rate of diffusion?

  Several factors affect the rate of diffusion of a solute including the mass of the solute, the temperature of the environment, the solvent density, and the distance traveled.

  What are the 4 factors affecting the rate of reaction?

  The factors that affect reaction rates are:

  • surface area of a solid reactant.
  • concentration or pressure of a reactant.
  • temperature.
  • nature of the reactants.
  • presence/absence of a catalyst.

    Which three factors affect the rate of a chemical reaction?