What is the difference between a chemical reaction and a chemical change?
A chemical change is “to change chemical properties of a material” which includes the reactivity with various species. The new species so formed has different reactive characteristics than initial species.Whereas a chemical reaction is the “breaking down of bonds, or formation of bonds or both”, sequentially or simultaneously. Basically the atoms inside the species rearrange themselves in a new combination yielding a new species again having different chemical properties.A clear distinction can be observed with a hypothetical example of assuming a dynamic chemical equilibrium between 2 species A and B in a mixture. A converts into B and with same rate B converts into A. A→B and B→A occurs simultaneously. If rate of forward reaction is same as that of backward reaction, it is known as dynamic equilibrium. So 2 chemical reactions are taking place everytime but no visible change appears. No chemical change occurs in the mixture as the chemical properties such as pH of mixture experience no change but reaction is taking place everytime. This is how these words can be distinguished.But still broadly speaking a chemical reaction is always required to bring about a chemical change but if chemical change is not visible, it doesn't mean that there is no chemical reaction takng place.
Difference between a chemical change and a chemical reaction?
Betty S has it basically right, except for her description of elemental sodium. It is not a harmless white powder at all, but rather a light, soft, extremely reactive metal. It does not occur free in nature because of its reactivity. It reacts violently with water, for example, releasing and igniting hydrogen (often explosively). Otherwise, Betty S correctly described the difference between a chemical change and a chemical reaction.
What is the difference between chemical reaction and chemical equation?
A chemical reaction is a dynamic process in which atoms and molecules intervene, exchange electrons, emit or absorb energy and change their structures.A chemical equation is a symbolic representation of the initial substances and final products of the reaction, balanced as to conservation of atoms and charge.
What is the difference between chemical reaction & chemical adsorption?
I think the question is technically incorrect.Chemical adsorption is a process and in that process certain chemical reactions occur.Chemisorption is a kind of adsorption which involves a chemical reaction between the surface and the adsorbate. New chemical bonds are generated at the adsorbent surface. Examples include macroscopic phenomena that can be very obvious, like corrosion, and subtler effects associated with heterogeneous catalysis. The strong interaction between the adsorbate and the substrate surface creates new types of electronic bonds.
What is the difference between chemical reactions from chemical equations?
A reaction is a event...a occurrence between atoms equation is the mathematical part.
What 2 differences are there between chemical reaction and chemical equation?
Actual chemical change is the chemical reaction whereas chemical equation is the symbolic representation of chemical reaction in the form of symbol and molecular formula.Chemical equation has qualitative and quantitative significances.Chemical reaction is permanent change in which new products are formed with new properties.
What is the difference between a chemical reaction and a chemical combination?
Chemical reaction can result in breaking of bonds but chemical combination involves formation of bonds with new atom or molecule.#Quora’s_Pharmacist
Is there a difference between a chemical reaction and a chemical transformation?
In a way NO, there no difference. In a chemical reaction the original reactants become new product with different chemical and physical properties.
What is the difference between chemical and biochemical reactions?
A chemical reaction is when 2 or more substances react and a new substance is formed. You can tell by a color change, odor formed, gas given off, precipitate formed, great energy change. A biochemical change is a chemical change. It usually refers to a chemical change that occurs within a plant or animal. Often these require enzymes. Biochemical reactions can be carried out in a lab with biochemicals, those from a living organism or substitutes made in the lab
What is the difference between an electrochemical reaction and a chemical reaction?
From: Electrochemical reaction | chemistry“Electrochemical reaction is any process either caused or accompanied by the passage of an electric current and involving in most cases the transfer of electrons between two substances—one a solid and the other a liquid.Under ordinary conditions, the occurrence of a chemical reaction is accompanied by the liberation or absorption of heat and not of any other form of energy.But there are many chemical reactions that—when allowed to proceed in contact with two electronic conductors (electrodes), separated by conducting wires—liberate what is called electrical energy, and an electric current is generated.Conversely, the energy of an electric current can be used to bring about many chemical reactions that do not occur spontaneously. A process involving the direct conversion of chemical energy when suitably organized constitutes an electrical cell. A process whereby electrical energy is converted directly into chemical energy is one of electrolysis; i.e., an electrolytic process.By virtue of their combined chemical energy, the products of an electrolytic process have a tendency to react spontaneously with one another, reproducing the substances that were reactants and were therefore consumed during the electrolysis. If this reverse reaction is allowed to occur under proper conditions, a large proportion of the electrical energy used in the electrolysis may be regenerated. This possibility is made use of in accumulators or storage cells, sets of which are known as storage batteries. The charging of an accumulator is a process of electrolysis; a chemical change is produced by the electric current passing through it. In the discharge of the cell, the reverse chemical change occurs, the accumulator acting as a cell that produces an electric current.”