# What is the viscosity of water at 20 degree Celsius?

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1 centipoise

The dynamic viscosity of water is 8.90 × 10−4 Pa·s or 8.90 × 10−3 dyn·s/cm2 or 0.890 cP at about 25 °C. Water has a viscosity of 0.0091 poise at 25 °C, or 1 centipoise at 20 °C.

Moreover, Is the viscosity of water high or low?

It is commonly perceived as “thickness”, or resistance to pouring. Viscosity describes a fluid’s internal resistance to flow and may be thought of as a measure of fluid friction. Thus, water is “thin”, having a low viscosity, while vegetable oil is “thick” having a high viscosity.

Secondly, What is the water viscosity?

The dynamic viscosity of water is 8.90 × 10−4 Pa·s or 8.90 × 10−3 dyn·s/cm2 or 0.890 cP at about 25 °C. Water has a viscosity of 0.0091 poise at 25 °C, or 1 centipoise at 20 °C.

Simply so, What is the viscosity of water in seconds?

cm. s−1 = 0.1 Pa. s), named after Jean Léonard Marie Poiseuille. It is commonly expressed, particularly in ASTM standards, as centipoise (cP), because it is more convenient (for instance the viscosity of water at 20°C is about 1 cP), and one centipoise is equal to the SI millipascal second (mPa.

What is the viscosity of salt water?

NaCl, wt% Freezing point (°C) Viscosity (cP )
——— ——————- —————
0 0 1.002
0.5 −0.3 1.011
1 −0.59 1.02
2 −1.19 1.036

## 25 Related Question Answers Found

### Which liquid has more viscosity?

Liquids which flow very slowly, like glycerin or honey, have high viscosities. Those like ether or gasoline which flow very readily have low viscosities. Viscosity is governed by the strength of intermolecular forces and especially by the shapes of the molecules of a liquid.

### What is the viscosity of water?

The dynamic viscosity of water is 8.90 × 10−4 Pa·s or 8.90 × 10−3 dyn·s/cm2 or 0.890 cP at about 25 °C. Water has a viscosity of 0.0091 poise at 25 °C, or 1 centipoise at 20 °C.

### What is the viscosity of fluids?

Viscosity, resistance of a fluid (liquid or gas) to a change in shape, or movement of neighbouring portions relative to one another. Viscosity denotes opposition to flow. The reciprocal of the viscosity is called the fluidity, a measure of the ease of flow. Molasses, for example, has a greater viscosity than water.

### What is the viscosity of saltwater?

Temperature (°C) Saturation Pressure (bar) Absolute (Dynamic) Viscosity – µ – (Ns/m2, Pa s)
—————- ————————- ————————————————
0 0.00599 0.00189
1 0.00644 0.00183
2 0.00692 0.00177
3 0.00743 0.00172

### Does water have a high or low viscosity?

The viscosity of a liquid is a measure of its resistance to flow. Water, gasoline, and other liquids that flow freely have a low viscosity. Honey, syrup, motor oil, and other liquids that do not flow freely, like those shown in Figure 1, have higher viscosities.

### Which liquid is the most viscous syrup?

Answer Expert Verified A viscous liquid is slower to pour. The thicker the product is the more viscous it is. Water, milk, and apple juice all flow faster than syrup would. The correct answer is A: syrup.

### What does viscosity of a liquid depend on?

The viscosity of a liquid usually depends on its temperature. Viscosity generally decreases as the temperature increases. Viscosity generally increases as the temperature decreases. The viscosity of a liquid is related to the ease with which the molecules can move with respect to one another.

### What is a high viscosity fluid?

Viscosity is a measure of a fluid’s resistance to flow. A fluidwith large viscosity resists motion because its molecular makeup gives it a lot of internal friction. A fluid with low viscosity flows easily because its molecular makeup results in very little friction when it is in motion.

### Why is water viscosity important?

The viscosity of water measures its resistance to flow and is critical to its many functions. The low viscosity of water is important in its role as the solvent for life’s chemical reactions and for blood circulation.

### What liquid is viscous?

An oil is any neutral, nonpolar chemical substance that is a viscous liquid at ambient temperatures and is both hydrophobic (immiscible with water, literally “water fearing”) and lipophilic (miscible with other oils, literally “fat loving”).

### Which has higher viscosity water or oil?

Viscosity is a measure of the resistance of a fluid to deformation under shear stress. Viscosity describes a fluid’s internal resistance to flow and may be thought of as a measure of fluid friction. Thus, water is “thin”, having a low viscosity, while vegetable oil is “thick” having a high viscosity.

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