the chemical absorbs all the vapour around the nail which means that there is no moisture on the nail
No, this is definitely a physical change, absolutely not a chemical.
When an iron nail comes in contact with a chemical that absorbs water vapor, such as silica gel or calcium chloride, the chemical will absorb the moisture from the air around the nail. This helps prevent the nail from rusting, as rusting is a chemical reaction that occurs when iron comes in contact with water and oxygen. The chemical desiccant helps keep the nail dry and prevents the conditions necessary for rusting to occur.
When water changes to water vapor, it has changed its state from liquid to vapor and no chemical change has taken place. It's only a physical change.
no. chemical reaction requires a new substance to be created
When water vapor molecules absorb energy, they gain kinetic energy, which increases their motion. This energy absorption can lead to an increase in temperature, causing the water vapor to transition to a higher energy state. If enough energy is absorbed, it can also result in the molecules breaking intermolecular bonds, potentially allowing for phase changes, such as from vapor to liquid during condensation.
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Water vapor is in the gaseous state.
When water vapor condenses, it can absorb and carry pollutants from the atmosphere. This can lead to acid rain formation, which has harmful effects on the environment and can damage ecosystems, buildings, and infrastructure. It is important to reduce air pollution to minimize the impact of pollutants in water vapor.
No, this is definitely a physical change, absolutely not a chemical.
A phase change is not a chemical change since the chemical remains the same; water is still water, whether it is in the solid, liquid, or gas phase.
It is physical, change of state, just cooling down
Silica gel is a common substance that can absorb water vapor due to its high surface area and porous structure. It is often used in packaging to control humidity and prevent moisture damage to products.
When an iron nail comes in contact with a chemical that absorbs water vapor, such as silica gel or calcium chloride, the chemical will absorb the moisture from the air around the nail. This helps prevent the nail from rusting, as rusting is a chemical reaction that occurs when iron comes in contact with water and oxygen. The chemical desiccant helps keep the nail dry and prevents the conditions necessary for rusting to occur.
When water changes to water vapor, it has changed its state from liquid to vapor and no chemical change has taken place. It's only a physical change.
A chemical reaction
Condensing water vapor into rainfall is a physical change. It involves a change in the state of water from gas (water vapor) to liquid (rainwater) without altering the chemical composition of water molecules.
The moisture is just water vapor, so you are getting a phase change from liquid to gas. Phase changes are physical changes. For a vaporizer to produce a chemical change it would have to do something drastic like convert the water in to H2 and O2.