Lab Equipment Flashcards
What do you use to measure length?
meter stick, ruler
What do you use to measure volume?
graduated cylinder, pipet, buret
What do you use to measure mass?
electronic balance
What do you use to measure temperature?
thermometer, probware
What do you use to measure pressure?
barometer
What is the unit for length
m, meter
What is the unit for volume
m^3
What is the unit for mass
kg, kilogram
What is the unit for temperature
K, kelvin
What is the unit for pressure
Pa, pascals
What does a test tube do?
holds liquids - sometimes used for heating. Not used for measuring
What does a test tube holder do?
Used to hold test tubes while in use
What does a test tube rack do
used to hold test tubes in a vertical position
what does an erlenmeyer flask do?
used in titrations, may be heated
what does a beaker do?
holds liquids, NOT used for measuring volumes
What do beaker tongs do?
used to hold beakers by hand
what does a funnel do?
holds 12.5 cm diameter filter paper
What does a crucible with cover do?
used to heat small amounts of solid substances at high temperatures
What do crucible tongs do?
used to pick up and hold small items such as a crucible and lid
What does a clay triangle od?
used to support a crucible over a burner
What does a beaker do
holds liquids
What are common sizes of a beaker
50ml, 100mL, 250mL, 400mL
Can a beaker be heated
No
Do you use a beaker for measuring voluem
No
erlenmeyer flask
triangular shaped flask used in titrations
Can an erlenmeyer flask be heated
Yes
What are the common sizes of an erlenmeyer flask
100mL, 250mL
volumetric flask
flask with a long neck that has an etched mark on the neck for volume
What is a volumetric flask used for
making and storing solutions
graduated cylinder
cylinder shaped container with markings used to measure voluems
Can a graduated cylinder be heated
NO
What are the common sizes of a graduated cylinder
10mL, 50mL, 100mL
test tube
a simple tube of thin glass, closed at one end, for heating solutions and for holding small amounts of substances during reations
eudiometer
gas collecting tube marked in mL intervals used to measure gas volumes
buret
long tube with markings and a stopcock on bottom used to measure volumes of solutions used in titratins
What are the common sizes of a buret
25mL, 50mL
dropping pipet
glass tip with rubber bulb; used to transfer small volumes of liquids
watch glass
used to cover an evaporating dish or beaker
crucible with cover
used to heat small amounts of solid substances at high temperatures
What is a crucible with cover made of
porcelin
evaporting dish
used to contain small volumes of liquid being evaporated
What is an evaporating dish made of
porcelin
test tube rack
wood or plastic; used to hold test tubes in a vertical position
clay triangle
wire frame with porcelain supports used to support a crucible over a burner
ring stand
metal rod fixed upright in a heavy metal base; has many uses as a support
wire gauze
used to spread the heat of a burner flame and support glassware over a flame
ring clamp
an iron ring clamped to a ring stand support
utility clamp
used to hold a buret or test tube and supported by a ring stand
test tube holder
spring metal; used to hold test tubes while in use
crucible tongs
made of iron or nickel and used to pick up and hold small items such as a crucible and lid
beaker tongs
ends are coated in rubber and is used to hold beakers by hand
scoopula
a hybrid of scoop and spatula, it is used to transfer solid chemicals
Stirring rod
glass; used to stir and assist in pouring liquids
Funnel
glass or plastic; common size holds 12.5-cm diameter filter paper
Wash bottle
flexible plastic; squeeze sides to dispense water
Electronic balance
an electronic weighing device that displays mass in a digital readout
Bunsen Burner
a gas burner used in laboratories; has an air valve to regulate the mixture of gas and air
Probeware
device that collects and analyzes data such as temperature, pressure, or pH using software and exchangeable attachments
Fume Hood
ventilated enclosure designed to limit exposure to toxic vapors also used for explosion protection and spill containment—air is drawn in from the front and expelled outside of the building doesn’t ventilate the room, only the air inside the enclosure
