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Is ice melting at 0 degrees Celsius a chemical property?
No, the process of ice melting at 0 degrees Celsius is a physical change, not a chemical property. It involves a phase change from a solid to a liquid state without any change in the chemical composition of the ice.
Is clouds forming in the sky a chemical or physical change?
Original answer is INCORRECT. Clouds forming in the sky is a physical change because a chemical change requires a change in the chemical composition of a material and the H2O, no matter a solid liquid or gas, is always H20.
When sodium reacts with water is it a chemical or a physical change?
It is a chemical reaction for not only has the state changed of NaOH, but the identity of the substances have also changed.NaOH + H2O --> Na+ + OH-The "H2O" is not a reactant. It's actually supposed to go over the arrow. Sorry.Nonetheless, the dissolution of NaOH will increase the Hydroxide concentration, thus making it more basic. It will not change the identity of H2O.
When placed in H2O a sodium pellet catches on fire as hydrogen gas is liberated and sodium hydroxide forms chemical or physical change?
This is a chemical change. When sodium reacts with water, it undergoes a chemical reaction to produce hydrogen gas and sodium hydroxide. The formation of new substances (sodium hydroxide) and the evolution of gas (hydrogen) indicate a chemical change rather than a physical one.
Hydrochloric acid is added to solid NaOH after the reaction is complete NaCl dissolved in water remains what are the products of this chemical reaction?
When hydrochloric acid is added to solid sodium hydroxide, the acid-base neutralization reaction produces water and sodium chloride (NaCl) as products. The balanced chemical equation for this reaction is: HCl + NaOH → NaCl + H2O.
Is dissolving NaCl in h2o a chemical change?
Dissolving NaCl in water is a physical change, not a chemical change. The NaCl molecules remain the same chemically, but the arrangement of the particles changes as they interact with water molecules.
Is the freezing of H2O a chemical or physical change?
Freezing of H2O is a Physical Change.
Why is NaCl plus H2O a physical?
Dissolution of sodium chloride in water is a chemical process.
Melting ice. Chemical or physical change?
Physical. H2O is still H2O.
Is drying water chemical change or physical change?
Physical, it is still H2O
Is adding NaOH to HCL chemical or physical change?
When adding NaOH to HCl, a chemical change occurs because the two substances react to form a new compound, NaCl (table salt), and water. This is evidenced by the formation of a new substance with different properties than the original reactants.
Is the chemical formula H2o physical or chemical change?
The chemical formula H2O represents water. It is a chemical formula that describes the composition of a substance, in this case, water. Therefore, it is related to a chemical change rather than a physical change.
Are icicles forming on the edge of the roof of physical or chemical change?
No it is not. The chemical composition is H2O before and after freezing.
What is a chemecal change?
A chemical change (as opposed to a physical change) is when the actual chemical makeup of a substance changes. For example, Na+Cl->NaCl. A physical change on the other hand would be more along the lines of H2O(s)->H2O(l), (melting ice).
Is removing salt by evaporating physical or chemical change?
This is a physical change because only the phases of the compounds change - the two compounds do no react. When evaporation occurs, the salt (NaCl) remains in its solid state while the water (H2O) becomes a gas.
What is the chemical formula for the liquid ice?
It isn't. The melting of ice is a phase change, which is a physical change because the chemical composition of the water does not change.
Is a pan of water boils a chemical or physical change?
Physical, steam is still H2O.
