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What is the chemical or physical explanation for why water explodes when tossed on a grease fire?
Because as soon as water touches the hot surface, the bottom part, where the water touches, changes to vapour instantly! this happens so fast, that when it expands, it expands with explosive force and even pushes the water on top of the vapour outwards. this may carry some oil with it.
What else can I help you with?
Is soap removing grease a physical change or chemical change?
The process of soap removing grease is a physical change. This is because the soap molecules physically surround and encapsulate the grease molecules, allowing them to be washed away with water. No new substances are formed during this process, making it a physical change rather than a chemical change.
Is there a chemical reaction when detergent cleans grime or grease or dirt?
Mostly the changes are not chemical at all, but physical changes. It does depend on what kind of stain and what kind of detergent. Soap itself only works by physical changes, and not by chemical means at all. However, things like bleach or other bleaching agents (such as whiteners) do cause chemical reactions to remove stains.Perhaps somebody can add some information here about how bleach and whitening agents work?See the Related Questions to the left for more information about how soap works.
What is a grease solvent?
A grease solvent is a chemical substance used to dissolve or remove grease, oils, and other stubborn residues from surfaces. These solvents typically contain organic solvents such as mineral spirits, acetone, or alcohol, which break down the molecular structure of grease, making it easier to clean. Grease solvents are commonly used in industrial cleaning, automotive maintenance, and household cleaning applications. It's important to use them in well-ventilated areas and follow safety guidelines due to their flammable and sometimes toxic properties.
What is grease solvent?
A grease solvent is a type of chemical solution specifically designed to dissolve and remove grease, oils, and other similar residues from surfaces. Commonly used in cleaning applications, these solvents can be found in industrial degreasers, automotive cleaning products, and household cleaners. They work by breaking down the molecular structure of grease, allowing it to be wiped away or rinsed off easily. Common examples include mineral spirits, acetone, and various citrus-based cleaners.
Why can the fluids used to dry-clean clothing remove grease even when water cannot?
Water cannot interact with grease,due to its high surface tension, so when the water is removed from the clothing after cleaning it, the grease remains. The fluids used to dry clean clothing are actually chemical solvents. They dissolve the grease, so when the solvent is removed, the grease is also removed.
Is soap removing grease a physical change or chemical change?
The process of soap removing grease is a physical change. This is because the soap molecules physically surround and encapsulate the grease molecules, allowing them to be washed away with water. No new substances are formed during this process, making it a physical change rather than a chemical change.
Do sodium hydroxide dissolve fat grease and hair in a drain and is it a physical change or chemical change?
Yes, sodium hydroxide dissolves fat, grease, and hair in a drain by converting them into soap which can be washed away easily. This process involves a chemical change as sodium hydroxide reacts with the substances to break them down into different chemical compounds.
What fires are most dangerous?
Probably Grease or Chemical.
Is bacon grease solidifying physical or chemical change?
Frying bacon is a chemical change. In addition to simply heating the bacon, frying it causes certain molecules to react and change. For instance, some protein molecules may be broken down. This is why cold fried bacon tastes different than cold raw bacon.
What is the colloquial term for vigorous sustained physical exertion?
Elbow Grease
What actors and actresses appeared in In the Grease - 1925?
The cast of In the Grease - 1925 includes: James Finlayson as Father Anita Garvin as Physical Culture teacher
What is the chemical formula for grease?
The chemical formula for grease can vary depending on its composition, but it is commonly a mixture of long-chain fatty acids and esters of glycerol. These fatty acids are typically saturated or unsaturated hydrocarbons with carboxylic acid functional groups. Therefore, a general representation of the chemical formula for grease could be (CnH2nO2)n, where n represents the number of repeating units in the grease molecule.
Why does grease smell so bad?
Grease smells bad because when it is heated, it breaks down and releases volatile compounds that create a strong and unpleasant odor. These compounds are a result of the chemical reactions that occur when grease is exposed to high temperatures.
Is cleaning a greasy mark from a plastic tablecloth with washing up liquid a chemical change?
No. You're not changing the chemical makeup of anything involved -- soap, tablecloth, or grease. The soap emulsifies the grease so that it can be dissolved in the water contained in the cloth you use to wipe it up.
What is grease proof paper?
; Greaseproof Paper : A protective wrapping paper made from chemical wood pulps, which are highly hydrated in order that the resulting paper may be resistant to oil and grease.
Why would water not be effective in cleaning up a grease spill?
Water is not effective in cleaning up grease spills because grease is nonpolar and does not mix with water. Water molecules are polar and cannot break down the nonpolar grease molecules. This causes the grease to float on top of the water, making it difficult to remove.
What does greasy mean?
physical effort You'll have to use some elbow grease to get the house painted in time.
