How can you make a liquid less viscous?

Temperature has an effect on intermolecular forces: the higher the temperature, the greater the kinetic energies of the molecules and the greater the extent to which their intermolecular forces are overcome, and so the more fluid (less viscous) the liquid; the lower the temperature, the lesser the intermolecular forces …

What makes some liquids more viscous or less viscous?

Viscosity is governed by the strength of intermolecular forces and especially by the shapes of the molecules of a liquid. Liquids whose molecules are polar or can form hydrogen bonds are usually more viscous than similar nonpolar substances.

What is formed when two liquids are combined but do not mix?

When two liquids can be mixed together, they are “miscible”—they form something called a homogeneous solution, which means that you cannot distinguish the two liquids anymore. In contrast, when they cannot be mixed, they are “immiscible”—they will form two separate layers, called a heterogeneous solution.

How do you mix viscous liquids?

When blending liquids of high and low viscosity, start with the low viscosity liquid and add the higher. This is more energy efficient, because the mixer doesn’t need to be sized to process the highest viscosity.

Can a liquid be less viscous than water?

Viscosity is a material property which describes the resistance of a fluid to shearing flows. It corresponds roughly to the intuitive notion of a fluid’s ‘thickness’. For instance, honey has a much higher viscosity than water. Of all fluids, gases have the lowest viscosities, and thick liquids have the highest.

What changes when two liquids mix?

When two liquids combine to form a new liquid, we call the liquids “miscible.” When two liquids do not mix together and instead form layers, we call them “immiscible.” The chemical properties of the liquids will determine if they will mix or not. Oil and water are good examples of immiscible liquids.

Can we separate the two liquids that do not mix?

Those liquids which do not mix with each other and form separate layers are called immiscible liquids. Ex. Oil and water are immiscible liquids because they do not mix with each other., and form separate layers on mixing. A mixture of immiscible liquids is separated by using an apparatus called separating funnel.

How does mixing affect viscosity?

For example, a formulation process may start with a low- viscosity liquid, and mixing causes the viscosity to increase until the fluid becomes non-Newtonian. Sometimes mixer power may be used as an indicator of final fluid viscosity.

Which mixture is used for mixing of more viscous liquid?

The process can be used for high viscosity liquid to liquid mixing or for paste mixing combining liquid and solid ingredients. Some products that may require laminar mixing in a high viscosity mixer include putties, chewing gum, and soaps.

Which liquid is least viscous?

The least viscous at any temperature must be superfluid liquid helium.

What is the relationship between viscosity and temperature in liquids?

Most liquids suffer the exponential relationship (Seeton, 2006) between temperature and viscosity rather than linear form ( Fig. 6.1 ). The more viscous the fluid, the more sensitive it is to the temperature change.

How do you make a product less viscous without emulsion?

Watery products that aren’t emulsions often get their viscosity from gelling agents and gums like xanthan or hydroxyethylcellulose. To make such products less viscous simply use less of the gum and more water. Remember: never just decrease or delete an ingredient.

What is the difference between semi-viscous and viscous?

• Semi-Viscous – Maple syrup or soybean oil that is a bit thicker in nature. • Viscous – Hair gel or pastes which are thick and do not move easily. While water-like, semi-viscous, and viscous are good terms to use sometimes you need to get more specific about the viscosity of a fluid.

How does the dissolution of gases affect the viscosity of hydrocarbons?

In addition, the dissolution of gases such as CO 2 can reduce the viscosity of liquid hydrocarbons. During the in-situ combustion, a large quantity of CO 2 forms in reservoirs. The CO 2 can dissolve in oil at high pressure condition and the mobility of oil improves.