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What are main functions of catalysts?
Catalyst is the agent which alter the rate of chemical reactions. Catalyst are not consumed by the reaction as the other reactants. Those catalyst which increase or speed up the reaction are known as positive catalyst. Those who slow the reaction are known as negative catalyst.
What is the reaction between a metal's surface and oxygen called?
When anything combines with oxygen, the process is called oxidation. When iron oxidizes, it forms rust. In other metals, oxidation as well as other chemical changes can be referred to as tarnish.
What is the opposite of reactants?
When a chemical reaction takes place, it starts with chemicals which are called reactants, literally meaning those which react, and after the reaction has taken place you then have chemicals called products, because they were produced by the reaction.
In a chemical reaction are the atoms and molecules that combine with each other to make new molecules called reactants?
Yes, a reactant is a substance that takes part in and undergoes change during a reaction. Products are those substances produced as a result of a reaction. Catalysts are substances that take part in a reaction but are left unchanged by the reaction (they speed up the reaction rate).
What converts chemical energy to thermal energy?
When chemical bonds are broken in a chemical reaction, the energy stored in those bonds is released as thermal energy, leading to an increase in temperature. This process involves the conversion of chemical energy into heat.
What do you start off with in a chemical reaction?
It is neither, the reaction is the process. The chemicals 'put in' to the reaction are called reactants, and those formed by the reaction are products
Why is that a slices of apples you left on the kitchen counter have turned brown while those in the refrigerator have not?
The apple has a chemical reaction to the oxygen. It is sort of like metal oxidizing (rusting). Even though the apple has turned brown, there is nothing wrong with it. ~ A 12 yr. old girl :D
The substances present when a chemical reaction begins?
The substances that are present when a chemical reaction begins are reactants, at the end of the reaction they form products.
Which set of chemical reactions is performed by the chloroplast of the cell?
There are two reactions. Those are dark reaction and light indipendant reaction.
Does a chemical equation show the number of atoms lost during a chemical reaction?
Yes, a chemical equation shows the number of atoms of each element involved in a chemical reaction, including those gained, lost, or rearranged. The Law of Conservation of Mass states that mass is conserved in a chemical reaction, so the total number of atoms before and after the reaction must be the same.
What is products in chemical reaction?
what substance you get when you're done with the chemical change.ex: match+lighter=reactants. when you mix those a certain way, you get a light!
A chemical reaction takes place when what?
The atoms of the reactants are rearranged to form new products that are different in chemical composition and properties from those of the reactants.
How are reactants products and chemical reaction related?
Reactants are the substances that undergo a chemical transformation, resulting in the formation of new substances called products. A chemical reaction is the process by which reactants are converted into products through the breaking and forming of chemical bonds. The relationship is that reactants are consumed in the reaction to produce products as a result of the chemical transformation.
Does the overall enthalpy change of a chemical reaction depend on the reaction pathway?
No, the overall enthalpy change of a chemical reaction is independent of the reaction pathway. This is because enthalpy is a state function, meaning it only depends on the initial and final states of the system, not on how the system reached those states.
Chemical equilibrium is a form of equilibrium?
because in chemical equilibrium the rate of forward reaction is = the rate of reversed reaction so in both sides at left side and right side those products which are formed are in same quantities that's why chemical equilibrium is the form equilibrium
What are substances that change the rate of a chemical reaction without themselves being changed?
Those substances are called, "Catalysts".
How are reactants and products identified in a chemical reaction?
are the substances formed by a chemical reaction. In the burning of natural gas, carbon dioxide (CO2) and water (H2O) are the products formed by the reaction. Reactants and products can be elements or compounds, depending on the reaction taking place.
