Laboratory Techniques

The beaker is the most common equipment, and it is used for ___, __, and ___ but not ___

The graduated cylinder is used for basic ___, and has volume markings

test tubes hold small volumes of liquid, and are used for ___, ____ ____, and ____. However it is not used for measuring

Droppers are used for drop wise dispensing, and commonly used for ___. it is also known as a __ ___

The erlenmeyer flask is used for ___ , ___, and ___. Its shape is better than the beaker for reducing ___. It is not for ___

the volumetric flask has volume markings for __ __ and is most commonly used in ______

The boiling flask is for __ and ___, not for measuring, and requires a ___ to hold it upright

a bunsen burner produces an __ ___ from a __ __ __

A pH meter balance measures ___ and must be ___

the digital balance measures the __ of a solid sample

burettes are highly ____, long and ___. it is commonly used in ___ experiments and has a ___ that controls how much liquid is released

pipettes are the most highly ___, and is the best tool for measuring ___ volumes

Always read at the bottom of the _____. On a burette, the numbers are upside down and the number read is the amount ___ from the total to get the amount of volume left. This is the __ ___ ___

Always use a ___ ____ on the digital mass and ___ before use

The centrifuge ___ parts of a mixture by spinning fast, creating __ __. This forces the the solid components down at the bottom as a ___ and leaves the liquid components on top as a ____. Then the two can be separated via a ___ or by ____

A titration reaction is performed by delivering ______ _____ of the _____ to the ____. The ___ point is the point at which the titrant and titrend have completely reacted, while the ___ is the point in which a __ ___ occurs.

A calorimetry experiment is performed to observe how much ___ is absorbed or released during an experiment. This helps determine if the reaction is __ or ___. The set up requires a ____ __ and a ___

The ___ ___ is used if something is caught on fire, the eye wash station is used in the case of ___ in the eyes. The ___ is used to provide proper ventilation in a closed space and minimizes one’s exposure to harmful __ or __ that one may be working with

Fire extinguishers should be used for __ or __ fires and not paper or ___ fires.

lab coats should be worn to prevent chemical ___, while safety goggles should be worn to prevent your eyes from __ ___ getting into them. Safety ___ should only be used if you are working with harmful chemicals

Broken glass should be cleaned with a ___ ___ immediately after being broken and disposed of in the broken glass container

__ ___ solutions should be dumped down the drain with a lot of water. Water ____ solutions should be disposed of in the correct container

Do not add water to ____ ___. Do not __ or drink in the lab. Do not pipette by ____.

The closeness of a measured experimental value to the actual literature value