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When a substance dissolves it undergoes a chemical change physical change molecular change?
When a substance dissolves, it undergoes a physical change, not a chemical change. This is because the molecules of the solute are dispersed in the solvent but do not undergo any chemical reactions. The process of dissolving is a result of the attraction between the solute and solvent molecules.
Is limestone gives off carbon dioxide when heated physical or chemical?
When limestone is heated, it undergoes a chemical reaction called thermal decomposition, where it breaks down into calcium oxide (quicklime) and carbon dioxide gas. This is a chemical change because the chemical composition of the substance is altered during the process.
When a substance burns what does it do with oxygen?
When a substance burns, it undergoes a chemical reaction with oxygen called combustion. During this process, the substance reacts with oxygen to produce heat and light energy, along with new chemical compounds like carbon dioxide and water vapor.
What happens to a substance during a chemical change or chemical reaction?
substances can change to a solid, gas or liquid. solid - precipitate gas - fumes liquid - color change Either way, since its a chemical reaction, there always will be a change in the chemical composistion of a substance.
What is substance obtained by or used in a chemical process?
Chemical
What happens when a pure substance undergoes a chemical change?
when a pure substance undergoes a chemical change it is no longer that same substance. A chemical change changes the identity of the substance. Hope i helped
What is a titrand in titration analysis?
A titrand is the substance in a chemical reaction that is analyzed or measured during a titration. It is the substance that undergoes a change in its chemical properties due to the addition of a titrant during the titration process.
When a substance dissolves it undergoes a chemical change physical change molecular change?
When a substance dissolves, it undergoes a physical change, not a chemical change. This is because the molecules of the solute are dispersed in the solvent but do not undergo any chemical reactions. The process of dissolving is a result of the attraction between the solute and solvent molecules.
What occurs when oxygen is taken from a substance?
When oxygen is taken from a substance, it undergoes a process called reduction where it gains electrons. This results in the formation of new products, such as water or carbon dioxide, depending on the substance being oxidized. This process is essential for various biological and chemical reactions in nature.
Is limestone gives off carbon dioxide when heated physical or chemical?
When limestone is heated, it undergoes a chemical reaction called thermal decomposition, where it breaks down into calcium oxide (quicklime) and carbon dioxide gas. This is a chemical change because the chemical composition of the substance is altered during the process.
What is a reactant in biology terms?
In biology, a reactant is a substance that participates in a chemical reaction, where it undergoes a change to form a product. Reactants are the starting materials in a reaction and are typically consumed during the process.
An example of a substance that can be decomposed by a chemical change is?
Wood. When wood burns, it undergoes a chemical change that breaks it down into ash and gas, releasing energy in the process. This decomposition by fire is a chemical change, transforming the wood into different substances.
When a substance burns what does it do with oxygen?
When a substance burns, it undergoes a chemical reaction with oxygen called combustion. During this process, the substance reacts with oxygen to produce heat and light energy, along with new chemical compounds like carbon dioxide and water vapor.
What happens to a substance during a chemical change or chemical reaction?
substances can change to a solid, gas or liquid. solid - precipitate gas - fumes liquid - color change Either way, since its a chemical reaction, there always will be a change in the chemical composistion of a substance.
What is substance obtained by or used in a chemical process?
Chemical
What is chemical action?
A chemical action or reaction is a process that transforms one chemical substance to a new substance.
What happens when a compound undergoes a chemical reaction?
When a compound undergoes a chemical reaction, its chemical bonds are broken and reformed to result in new substances with different chemical properties. This process can involve changes in energy, formation of new bonds, and rearrangement of atoms. The reactants are transformed into products through the rearrangement of atoms.
