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Glass

inorganic chemistry lab report: Physical Properties

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Chemistry
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Laboratory techniques
Transparent materials
Analytical chemistry
Phase transitions
Separation processes
Filtration
Properties of water
solubility
Sand
Glass
Polyethylene terephthalate
Water filter

1 Experiment 3: Physical Properties Objective: The objective of this experiment is to separate Sand, Potassium Nitrate, and Blue Impurity from the mixture base on different physical properties of these matters. Also, filtration and fractional crystallization are used to complete the procedure. Method:

Bob Jones PPT Notes -- Chapter 6c

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Chemistry
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Chemistry
Chemical bonding
matter
Chemical bond
Covalent bond
Network covalent bonding
Properties of water
Ionic bond
Solid
water
Glass
molecule

Properties of Compounds 1 Covalent distinct molecules held together by intermolecular forces relatively weak attractions, therefore low melting points not dense or hard poor heat and electricity conductors 2 Network Covalent exceptions continuous 3-D pattern?crystal Examples: diamonds, silicates 3 Network Covalent hard and brittle high melting points glassy luster 4 Ionic strong bonds, therefore high melting and boiling points hard solids can be split water-soluble good e? conductor in H2O, not as a solid 5 Ionic substances have low melting points. Ionic substances have low boiling points. Ionic substances don?t dissolve in water. Ionic substances are brittle. Question Because ionic bonds are strong, 6 Metallic carry electrons have luster (shine) malleable ductile 7 8

Laboratory Equipment

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Chemistry
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Laboratory glassware
Technology
Laboratory equipment
Science
Test tube
Glass tube
Pipette
Evaporating dish
Bung
Glass
Beaker
Wire
Hospitality

beaker: glass or plastic; common sizes are 50 ml, 100 ml, 250 ml, 400 ml; glass beakers may be heated. . buret: glass: common sizes are 25 mL, and 50 mL: used to measure volumes od solutions in titrations . ceramic square: used under hot apparatus or glassware . clamps: the following types of clamps may be fastened to support apparatus: buret/test tube clamp, clamp holder, double buret clamp, ring clamp, 3-pronged jaw clamp . clay triangle: wire frame with porcelain supports, used to support a crucible . condenser: glass; used in distillation procedures . crucible and cover: porcelain; used to heat small amounts of solid substances at high temperatures . crucible tongs: iron or nickel; used to pick up and hold small items .
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