What is the correct way of reading the level of mercury in a graduated cylinder?

What is the correct way of reading the level of mercury in a graduated cylinder?

Place the graduated cylinder on a flat surface and view the height of the liquid in the cylinder with your eyes directly level with the liquid. The liquid will tend to curve downward. This curve is called the meniscus. Always read the measurement at the bottom of the meniscus.

Which recorded measurement is correct for graduated cylinder?

It is measured in liters (L), milliliters (mL) or cubic centimeters (cm3 or cc). A cc is exactly the same volume as an mL and a liter is exactly the same volume as 1,000 mL. Graduated cylinders are the tools commonly used to make measurements of volumes in the laboratory. The cylinders come in a variety of sizes.

What are the two main things to remember when reading a graduated cylinder?

What are the two main things to remember when reading a graduated cylinder? To correctly read a graduated cylinder, the surface at the center of the meniscus must be read, not the top of the ring of liquid clinging to the wall of the graduated cylinder.

What is the purpose of a graduated cylinder?

Graduated cylinders are long, slender vessels used for measuring the volumes of liquids. They are not intended for mixing, stirring, heating, or weighing. Graduated cylinders commonly range in size from 5 mL to 500 mL. Some can even hold volumes of more than a liter.

When would you use a graduated cylinder?

Graduated cylinders are long, slender vessels used for measuring the volumes of liquids. They are not intended for mixing, stirring, heating, or weighing. Graduated cylinders commonly range in size from 5 mL to 500 mL.

What does a graduated cylinder look like?

A graduated cylinder, also known as a measuring cylinder or mixing cylinder is a common piece of laboratory equipment used to measure the volume of a liquid. It has a narrow cylindrical shape. Each marked line on the graduated cylinder represents the amount of liquid that has been measured.

How do you read a 10mL graduated cylinder?

If you look at a 10mL graduated cylinder, for example, the smallest graduation is tenth of a milliliter (0.1mL). That means when you read the volume, you can estimate to the hundredths place (0.01mL). Use the bottom of the meniscus to determine the volume in the 10mL graduated cylinder.

What is the best use for a graduated cylinder?

The graduated cylinder is used for measuring volumes (amounts) of liquids. This piece of equipment is used routinely, although it is only moderately accurate compared to other tools, such as volumetric flasks. Volumetric flasks are used when absolute precision (accuracy) is needed.

Why is graduated cylinder better than beaker?

Why is a graduated cylinder more accurate than a beaker? The accuracy of a graduated cylinder is higher because the graduations on the cylinder make it easier to more precisely fill, pour, measure, and read the amount of liquid contained within.

Which is more accurate beaker or graduated cylinder?

A graduated cylinder is used routinely for measuring volume and is considered more accurate than a beaker because of the permanently-marked incremental graduations incorporated in the clear cylinder.

Which is the correct way to read a graduated cylinder?

To correctly read a graduated cylinder, the surface at the center of the meniscus must be read, not the top of the ring of liquid clinging to the wall of the graduated cylinder. For most liquids, this “center” will be the lowest point of the meniscus.

Why does Mercury curve in a graduated cylinder?

Mercury does not adhere to glass, so mercury in a cylinder will curve the other way – convex. In a graduated cylinder you would read the water level from the bottom of the curvature, and the mercury level from the top.

Where do you measure mercury in the meniscus?

For water and most liquids, this is the bottom of the meniscus. For mercury, take the measurement from the top of the meniscus. In either case, you are measuring based on the center of the meniscus.

Where is the meniscus on a graduated cylinder?

When you read a scale on the side of a container with a meniscus, such as a graduated cylinder or volumetric flask, it’s important that the measurement accounts for the meniscus. Measure so that the line you are reading is even with the center of the meniscus. For water and most liquids, this is the bottom of the meniscus.