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AP Chem Lab: Equipment
Equipment from the equipment sheet handed out by Ms. Fox (with pictures)
45
Chemistry
11th Grade
01/21/2013

Additional Chemistry Flashcards

 


 

Cards

Term
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Definition
Beaker: Glass or plastic; common sizes are 50-mL, 100-mL, 250-mL, 400-mL; glass beakers may be heated.
Term
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Definition

Mortar and pestle: Porcelain, may be used to grind crystals and lumpy chemicals to a powder.

 

Note: The mortar is the bowl.  The pestle is the... um... other thing.

Term
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Definition
Crucible and cover: Porcelain, used to heat small amounts of solid substances at high temperatures.
Term
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Definition
Watch glass: Glass, used to cover an evaporating dish or beaker.
Term
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Definition
Evaporating dish: Porcelain, used to contain small volumes of liquid being evaporated.
Term
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Definition
Pneumatic trough: Galvanized container with shelf, used in experiments where a gas is collected.
Term
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Definition
Florence flask: Glass, common sizes are 125-mL, 250-mL, 500-mL, may be heated, used in making and for storing solutions.
Term
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Definition
Wide-mouth bottle: Glass, used with pneumatic trough.
Term
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Definition
Plastic wash bottle: Flexible plastic, squeeze sides to dispense water.
Term
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Definition
Dropper pipet: Glass tip with rubber bulb, used to transfer small volumes of liquid.
Term
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Definition
Funnel: Glass or plastic, common size holds 12.5-cm diameter filter paper.
Term
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Definition
Ring stand: Metal rod fixed upright in a heavy metal base; has many uses as a support.
Term
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Definition

Erlenmeyer flask: Glass, common sizes are 100-mL, 250-mL; may be heated, used in titrations.

 

Note: It is not spelled "erlmeyer" even though that is how Ms. Fox pronounces it :/

Term
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Definition
Rubber stoppers: Several sizes.
Term
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Definition

Safety goggles: Plastic; must be worn at all times while working in the laboratory.

 

Note: If you don't know what these are, then you are seriously screwed.

Term
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Definition
Glass rod with nichrome wire: Used in flame tests.
Term

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Definition
Spatula, scoopula: Metal or porcelain; used to transfer solid chemicals; the scoopula has a larger capacity.
Term
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Definition
Test tube holder: Spring metal, used to hold test tubes or glass tubing.
Term
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Definition
Clay triangle: Wire frame with porcelain supports, used to support a crucible.
Term
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Definition
Rubber tubing: Used to connect apparatus so as to transfer liquids or gases.
Term
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Definition
Crucible tongs: Iron or nickel, used to pick up and hold small items.
Term
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Definition
Test tube brush: Bristles with wire handle, used to scrub  small diameter glassware.
Term
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Definition
Filtration flask, buchner funnel: Used with vacuum for rapid filtering.
Term
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Definition
Wire gauze: Used to spread the heat of a burner flame.
Term
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Definition
Triangular file: Metal, used to scratch glass tubing prior to breaking to desired length.
Term
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Definition

Burner: (There's no description that I can find on the sheet, so I'll improvise.)  YAY!  FIRE!  BURN!  May be replaced with an oxy-acetylene torch for extra fun.  Do not combine with gasoline, unless you are far away (in which case, feel free).

 

Actually though, in case you somehow weren't aware, it's used to heat stuff.  It's connected with rubber tubing to a gas source, and the burner itself is made of metal.  You are supposed to light the match and hold it over the burner before you turn on the gas.

Term
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Definition
Test tube rack: Wood or plastic, holds test tubes in a vertical position.
Term
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Definition
Test tubes: Glass, common sizes small (13mm x 100mm), medium (20mm x 150mm), large (25mm x 200mm), may be heated.
Term
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Definition
Graduated cylinder: Glass or plastic, common sizes are 10-mL, 50-mL, 100-mL, used to measure approximate volumes; must not be heated.
Term
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Definition
Gas collecting tube (Eudiometer): Glass, marked in mL intervals; used to measure gas volumes.
Term
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Definition
Volumetric pipet: Glass, common sizes are 10-mL, 25-mL, used to measure solution volumes accurately, must not be heated.
Term
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Definition

Thermometer: Mercury in glass, common range -10°C to 110°C.

 

Note: Thermometers used to contain mercury.  These days, they just contain alcohol that's been dyed red.

Term
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Definition
Screw clamp, pinch clamp: Metal, used to block off rubber tubing.
Term
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Definition
Buret/test tube clamp: May be fastened to support apparatus.
Term
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Definition
Clamp holder: May be fastened to support apparatus.
Term
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Definition
3-pronged jaw clamp: May be fastened to support apparatus.
Term
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Definition

Double buret clamp: May be fastened to support apparatus.

 

Note: Used in titrations.

Term
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Definition
Ring clamp: May be fastened to support apparatus.
Term
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Definition
Forceps: Metal, used to hold or pick up small objects.
Term
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Definition
Buret: Glass; common sizes are 25-mL, and 50-mL; used to measure volumes of solutions in titrations.
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Definition
Condenser: Glass; used in distillation procedures.
Term
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Definition

Stirring rod and rubber policeman: Glass with rubber sleeve; used to stir, assist in pouring liquids, and for removing precipitates from a coontainer.

 

Note: The thingy on the bottom is the rubber policeman, the long thing above that is the stirring rod.

Term
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Definition
Graduated pipet: Glass, common sizes are 10-mL, 25-mL; used to measure solution volumes; less accurate than a volumetric pipet.
Term
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Definition

Pipet bulb: Rubber, used in filling a pipet with a solution, a pipet must never be filled by mouth.

 

Note: No shit, Sherlock...

Term
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Definition

Platform balance: Also known as a triple beam balance.

 

Note: Used to measure the mass of... stuff.

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