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27 Cards in this Set
- Front
- Back
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Combining acids and water
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add acid to water
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rinse burette with?
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titrant, not water
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Weighing regeants
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don't weigh directly on scale
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When collecting gas over water, take into account
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pressure and volume of water vapor
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accuracy
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close to accepted value
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Precise
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values of measurements are close together
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Method of separation: filtration
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porous paper separate solids from liquids
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Method of separation: distillation
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difference in boiling points of volatile liquids
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Method of separation: chromatography
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difference in degree to which they absorbed to surface
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In nonpolar solvent, Br and I are what color?
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dark brown
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In a solution, MnO4-
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purple
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In solution, (2O7)2-
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orange
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Flame test: Cu
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green
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Flame test: Li
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red
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Flame test: Sr
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red
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Flame test: Na
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yellow
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Flame test: Ba
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green
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Flame test: K
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violet pink
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Color: (CrO4)2-
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yellow
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Color: Pbl2
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yellow
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HF to glass
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etches
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Used in air bags
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NaN3
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Added to Fe to prevent rusting
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Zn
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Color: Cl2
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green
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Color: Br2
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orange-brown
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Color: NO2
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brown
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Iodine sublimes into...?
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purple vapor
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