How do you calculate specific gravity?

How do you calculate specific gravity?

If the density of a substance is known, to calculate the specific gravity of a substance simply divide the density of the substance by the density of water or air.

What is the specific gravity of mercury in kg m3?

Calculate this pressure in SI and CGS units using the following data : Specific gravity of mercury = 13.6,Density of water = 103 kg/m3,g = 9.8 m/s2 at Calcutta .

What is the meaning of specific gravity of mercury?

The specific gravity of mercury is 13.633. Specific gravity is the ratio of an object’s density to the density of water. The density of water is 1 g/mL. This means the density of mercury is 13.633 g/mL. Since the specific gravity of mercury is greater than 1, it will sink in water.

What is specific weight of mercury?

The specific gravity of mercury is 13.56.

Why do we calculate specific gravity?

When it comes to configuring a mixer, knowing the specific gravity of the fluids being blended is important because it will influence the torque & horsepower that is required to properly mix your fluid. In applications with higher specific gravity, more torque would be required to produce the desired result.

What is specific gravity value?

Specific gravity is defined as the ratio of the density of the solid part of a material to the density of water at 20°C. Typically, the specific gravity of soils is in the range 2.60 to about 2.80.

What is the density of mercury 13.6 g cm3 in units of kg m3?

=13. 6×10−3×106=13. 6×103 kg/m3.

Is specific gravity the same as density?

Density is defined as mass per unit volume. It has the SI unit kg m-3 or kg/m3 and is an absolute quantity. Specific gravity is the ratio of a material’s density with that of water at 4 °C (where it is most dense and is taken to have the value 999.974 kg m-3). It is therefore a relative quantity with no units.

Is gravity 9.8 n kg?

Near the surface of Earth, gravity has a strength of about 9.8 N/kg, but this number varies slightly from place to place: it’s slightly less on tall mountains, for instance, but we’ll take 9.8 N/kg as good enough.

What is specific gravity Class 12?

As discussed, specific gravity is the measure of the density of an object in comparison to the density of water at an exact temperature and pressure.

What is specific gravity Class 11?

Specific gravity refers to the ratio of the density of an object and the reference material. Furthermore, the specific gravity can tell us if the object will sink or float in reference material. Besides, the reference material is water that always has a density of 1 gram per cubic centimeter or 1 gram per millimeter.

How is specific gravity related to density?

Specific gravity is the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material, often a liquid. If a substance’s relative density is less than one then it is less dense than water and similarly, if greater than 1 then it is denser than water.

How do I calculate specific weight?

What is the specific weight of mercury and water?

The specific weight of water at ordinary pressure and temperature is 9.81 kN/m3. The specific gravity of mercury is 13.56. Compute the density of water and the specific weight and density of mercury.

How is gravity force or weight calculated?

The weight of an object is defined as the force of gravity on the object and may be calculated as the mass times the acceleration of gravity, w = mg. Since the weight is a force, its SI unit is the newton.

What is mass specific gravity?

Example 2: Using Density to Identify a Material. Example 3: Density to Calculate Volume Mass. Specific Gravity (Relative Density) – SG – is a dimensionless unit defined as the ratio of the density of a substance to the density of water – at a specified temperature and can be expressed as. SG = ρsubstance / ρH2O [2]

How do you calculate the specific gravity of water?

The “Specific Gravity” of a substance is the ratio of its mass to that of an equal volume of water at the same temperature and pressure. This is also the ratio of the densities of the two substances: SG = (mass of a volume V of a material)/(mass of a volume V of water) = (rMaterial/rWater).

How do you calculate specific gravity in a lab?

1. Specific gravity G is defined as the ratio of the weight of an equal volume of distilled water at that temperature both weights taken in air.
2. Density bottle of 50 ml with stopper having capillary hole. …
3. Clean and dry the density bottle.
4. Weigh the empty bottle with stopper (W₁)

1. Specific gravity G is defined as the ratio of the weight of an equal volume of distilled water at that temperature both weights taken in air.
2. Density bottle of 50 ml with stopper having capillary hole. …
3. Clean and dry the density bottle.
4. Weigh the empty bottle with stopper (W₁)

How is gravity 9.8 calculated?

Fgrav = m*g where d represents the distance from the center of the object to the center of the earth. In the first equation above, g is referred to as the acceleration of gravity. Its value is 9.8 m/s2 on Earth. That is to say, the acceleration of gravity on the surface of the earth at sea level is 9.8 m/s2.

What is the simple formula for gravity?

To calculate gravity, physicists use the formula f = ma (force = mass x acceleration). Since the gravitational force is 9.8 m/s2 on Earth, i.e., a small g, we can easily calculate Newton’s strength of any weight.