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How can you speed up or slow down a reaction?
The reaction rate can be increased by the action of one or more of these factors.
- Use a Catalyst. A catalyst is a substance that can alter the rate of a chemical reaction.
- Increase the Temperature.
- Concentrate of the Reactants.
- Increase the Surface Area of the Reactants.
What are 4 factors that can speed up or slow down the rate of a reaction?
Reactions occur when two reactant molecules effectively collide, each having minimum energy and correct orientation.
Why do we slow down reactions?
Reactions usually slow down as time goes on because of the depletion of the reactants. The rate constant, or the specific rate constant, is the proportionality constant in the equation that expresses the relationship between the rate of a chemical reaction and the concentrations of the reacting substances.
How do you speed up or slow down a chemical reaction?
A catalyst acts to decrease the activation energy, which speeds up the rate of of reaction. Using more dilute solutions, or adding one or more reagents slowly will slow the rate of reaction. The Rock reveals the key to success for normal people. The big companies don’t want you to know his secrets.
How can you change the rate of a chemical reaction?
Things that affect chemical reaction rates. It’s possible to speed up or slow down the rate of a reaction by changing one or more of three things: You can also speed up a reaction using something called a catalyst, which we’ll look at later on this page.
What are the factors that affect the speed of chemical reactions?
Some chemical reactions are fast; others are slow. Sometimes chemists want to speed the slow ones up and slow the fast ones down. There are several factors that affect the speed of a reaction: Nature of the reactants. Particle size of the reactants. Concentration of the reactants. Pressure of gaseous reactants. Temperature.
What is an example of a fast chemical reaction?
Some are naturally fast, such as when you put a flame to hydrogen in the presence of oxygen in the pop test. Some are naturally slow, such as iron rusting in the presence of oxygen and water. Things that affect chemical reaction rates It’s possible to speed up or slow down the rate of a reaction by changing one or more of three things: