Table of Contents
- 1 What requirements must be met for a reaction to occur?
- 2 What is required for reactants to form?
- 3 What are the 5 factors that will affect the rate of a reaction?
- 4 How do you determine the reactants and products?
- 5 Why is mixing of reactants important in chemical reactions?
- 6 What do you need to know about reaction rate?
What requirements must be met for a reaction to occur?
Three things must happen for a reaction to occur.
- Molecules must collide.
- Molecules must collide with enough energy to begin to break the old bonds so new bonds can form. ( Remember activation energy)
- Molecules must collide with the correct orientation.
What is required for reactants to form?
Energy input is required for the reactants to form bonds. Therefore, the right answer of the given question is energy input.
What are the 3 criteria that must be met between reactant molecules for a chemical reaction to be possible?
For collisions to be successful, reacting particles must (1) collide with (2) sufficient energy, and (3) with the proper orientation.
What two requirements must be met for reacting particles to react?
Collision Theory provides a qualitative explanation of chemical reactions and the rates at which they occur. A basic principal of collision theory is that, in order to react, molecules must collide. This fundamental rule guides any analysis of an ordinary reaction mechanism.
What are the 5 factors that will affect the rate of a reaction?
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 …
How do you determine the reactants and products?
The substance(s) to the left of the arrow in a chemical equation are called reactants. A reactant is a substance that is present at the start of a chemical reaction. The substance(s) to the right of the arrow are called products . A product is a substance that is present at the end of a chemical reaction.
What criteria must be met for reactant collisions to result in a successful product?
The colliding particles must have enough energy for the collision to be successful or effective in producing a reaction. The minimum amount of energy for a collision to be successful is called the activation energy. The rate of a reaction depends on the rate of successful collisions between reactant particles.
What are the five major factors that affect reaction rate?
Why is mixing of reactants important in chemical reactions?
As you would expect, this factor is important for reactions involving gases, and not a significant factor with liquids and solids. Mixing reactants increases their ability to interact, thus increasing the rate of a chemical reaction. The chart below is a summary of the main factors that influence the reaction rate.
What do you need to know about reaction rate?
Reaction rate is defined as the change in concentration of reactants or products in a chemical reaction over a specific period of time. Learn about reaction rate, chemical reactions, and the factors that affect the rate of chemical reactions (temperature, concentration, surface area, & catalysts).
How does the shape of a reactant affect the reaction rate?
For solids, the shape and size of the reactants make a big difference in the reaction rate. Catalysts (e.g., enzymes) lower the activation energy of a chemical reaction and increase the rate of a chemical reaction without being consumed in the process.
How does the rate of a chemical reaction depend on the medium?
Medium or State of Matter The rate of a chemical reaction depends on the medium in which the reaction occurs. It may make a difference whether a medium is aqueous or organic; polar or nonpolar; or liquid, solid, or gaseous. Reactions involving liquids and especially solids depend on the available surface area.