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What else can I help you with?
Is greased paper hydrophilic?
it is hydrophobic. That way water doesnt absorb
Why cant water get grease out but soap can?
The molecules of a soap can surround oil molecules and bind to them, releasing their hold on materials and surfaces. The slippery soap does not attach to other molecules, and can be washed away.Grease itself is oil bound to a complex soap, that does not let it easily flow away from the lubricated surface.
What of the cell membrane repeals water?
The lipid bilayer of the cell membrane repels water due to its hydrophobic nature. The hydrophobic tails of the phospholipids face inward and prevent water molecules from passing through easily, creating a barrier. This property helps regulate the movement of molecules into and out of the cell.
Does peanut oil dissolve in water?
No, peanut oil does not dissolve in water. Peanut oil is a hydrophobic substance, meaning it repels water and does not mix with it. Instead, it will float on top of water due to its lower density. This property is typical of most oils, which are non-polar and do not interact with polar substances like water.
Explain why grease on clothing will not come out with cold water?
Grease on clothing will not come out with cold water because grease is a type of oil that solidifies and sticks to fabric fibers. Cold water is not hot enough to melt the grease and break it up from the fabric, making it difficult to remove. Using hot water, along with detergent or a grease-fighting stain remover, can help dissolve the grease and lift it from the fabric.
Why is it difficult to clean grease stains on clothing with water alone?
because water is dense than grease, is stays separate from the grease. however, when a detergent is applied, it acts as an emulsifier, allowing the grease to mix with the water and come of the clothing.
Why do water and Fat not mix?
water is charged positively on the oxgen end, and negativelyon the hydrogen end. Oil does not have a charge ( it's netrual), so the oil does not mix with the water. (EDIT by Dr.J.) - Close, but actually water is charged NEGATIVELY on the oxygen and POSITIVELY on the hydrogen. So, it is POLAR, and oil is not polar, so they don't "mix".
What is a biomolecue that repels water?
A biomolecule that repels water is a lipid, specifically a phospholipid. The hydrophobic tails of phospholipids repel water, while the hydrophilic heads are attracted to water. This property allows phospholipids to form the hydrophobic core of cell membranes.
Why isn't water used to dissolve greasy stains?
Water isn't effective for dissolving greasy stains because grease is hydrophobic, meaning it repels water and doesn't mix with it. Instead, grease requires a solvent that can break down its oily structure, such as soap or detergent, which contain molecules that can interact with both water and grease. These surfactants help emulsify the grease, allowing it to be lifted away from surfaces when rinsed with water.
How do detergents clean the grese from your clothes?
Detergents contain surfactant molecules that have both hydrophobic (repels water) and hydrophilic (attracts water) ends. When the detergent comes into contact with grease on the clothes, the hydrophobic ends attach to the grease while the hydrophilic ends face outward, allowing the grease to be lifted off the fabric and washed away with water.
Is the printmaking process that is based on the observation that grease and water will not mix?
Yes, the printmaking process based on the observation that grease and water will not mix is called lithography. In lithography, an image is drawn with a grease-based medium on a flat stone or metal plate. When the plate is treated with a chemical solution, the grease repels water, allowing ink to adhere only to the drawn areas, which can then be transferred onto paper. This method allows for detailed and nuanced prints.
Is greased paper hydrophilic?
it is hydrophobic. That way water doesnt absorb
Why cant water get grease out but soap can?
The molecules of a soap can surround oil molecules and bind to them, releasing their hold on materials and surfaces. The slippery soap does not attach to other molecules, and can be washed away.Grease itself is oil bound to a complex soap, that does not let it easily flow away from the lubricated surface.
Why does grease make paper translucent?
Grease is a hydrophobic substance, meaning it repels water. When grease is applied to paper, it displaces the air within the paper fibers, reducing the light-scattering effect and making the paper more translucent. This effect is due to the change in the refractive index of the paper caused by the presence of grease.
What type of organic molecule repels water?
The type of organic molecule that repels water is a lipid. It is an non-polar compound and is generally insoluble in water.
What of the cell membrane repeals water?
The lipid bilayer of the cell membrane repels water due to its hydrophobic nature. The hydrophobic tails of the phospholipids face inward and prevent water molecules from passing through easily, creating a barrier. This property helps regulate the movement of molecules into and out of the cell.
What property of detergent makes it useful to wash grease off of pans?
Detergents contain surfactants that help to break down and emulsify grease into smaller droplets, making it easier to wash away with water. This property allows detergents to effectively remove grease and oils from pans and other surfaces.
