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What are the chemicals substances that affect the rate at which we grow?
Growth hormones and Food.
Substances that increase the rate of a chemical reaction?
These are called catalysts.
What is the substances that increase the rate of a chemical reaction?
positive catalyst
What are the 5 factors that can affect the rate of chemical reactions?
5 factors that can affect the rate of chemical reactions are temperature, pressure, concentration, stirring, catalysts.
What are substances that change the rate of a chemical reaction without themselves being changed?
Those substances are called, "Catalysts".
Does temperature affect the rate at which seeds grow?
yes
What are substances that increases the rate of a chemical reaction?
Catalysts
How particle collisions that affect the rate of chemical reactions?
When the number of particle collisions increase the rate of chemical reactions also increase.
Have the function of accelerating the rate of chemical reactions but are not altered in the process?
These substances are called catalysts.
What factors affect the diffusion rate?
Diffusion refers to the process where substances from a highly concentrated area move to a place with a lower concentration. The three factors that affect the rate of diffusion are temperature, concentration gradient and the molecular weight of the substances.
How does temperature affect physical and chemical chemical change?
A change in temperature can change the rate of physical or chemical change.
How does concentration affect the rate of a chemical reaction?
Increasing the concentration of the reactants increases the rate of the reaction.
