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How is a chemical reaction different from a physical reaction?
A chemical reaction changes the actual chemical make-up of a molecule while a physical reaction only changed the physical state of a molecule, the atomic make-up in the molecule stays the same. (ex: H20(l) ---heat--> H20(g))
What 2 parts make up a chemical reaction?
REACTANTS AND PRODUCTS
What can a chemical reaction be speeded up by?
A catalyst can speed up a chemical reaction.
What can speed up a chemical reaction by decreasing?
chemical reaction
What is chemical reaction in an enzyme?
to speed up a chemical reaction
Why can't oil be used again?
It is burned, burning something is a chemical reaction, when something undergoes a chemical reaction its chemical make up changes. In this case though there is nothing left to reuse.
What is lowered to speed up a chemical reaction?
Activation energy is lowered to speed up a chemical reaction.
What are the number of atoms that make up the molcules on the reaction side and the number of atoms that make up the molecules on the product side?
They are equal. Sometimes referred to as conservation of matter in a chemical reaction.
What are 5 key words in a chemical change?
Reactants: Substances that are present before a chemical reaction occurs. Products: Substances that are produced as a result of a chemical reaction. Chemical reaction: Process where reactants are transformed into products, often involving the breaking and forming of chemical bonds. Energy: May be absorbed or released during chemical reactions, impacting the reaction's outcome. Catalyst: Substance that speeds up a chemical reaction without being consumed in the process.
What can you do if you want to either make a chemical reaction happen faster or slower?
to slow down a chemical reaction you use the substance called an inhibitor. to speed up a chemical reaction you use the substance called a catalyst.
What changes can you observe when cemical reactions occur?
It depends on the chemical reaction. For example when you burn something it is a chemical reaction, but that is way different than if you mix baking soda and vinegar which is also a chemical reaction. It changes the matter into a different chemical matter make up of that substance.
Is catalyst a product of chemical reaction?
No a catalyst is unchanged by a chemical reaction, it does however serve to speed up the rate of the reaction.
