Jaeger BT1.6 Word Scramble
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Question | Answer |
Acid | any substance that releases hydrogen ions when dissolved in water |
Aliquot | to divide a solution into small, equal individual containers |
Base | any substance that releases hydroxide ions when dissolved in water, any substance that can accept hydrogen ions |
Concentration | an amount per volume; a fraction |
Formula Weight (molecular wt) | the weight in grams of 1 mole of a given compound. The FW/MW is calculated by adding atomic weights of the atoms that compose the compound |
Hydrophobic | "hating" water, insoluble in water such as fats and oils |
Hydrophilic | "loving" water, readily dissolves in water such as salt or sugar |
Lyophilization | freeze drying, a preservation method, rapid freezing and then drying under vacuum to remove the water |
Molarity | an expression of the concentration of a solute in a soln. that is the number of moles of a solute dissolved in 1 L of total solution |
Mole | a mole of any element contains 6.02x10 23 atoms. Moles of elements weigh different amounts but they all contain 6.02x10 23 molecules of that compound |
QS | Latin abbreviation meaning quantum sufficit; bring to volume |
Sensitivity | the smallest weight which can be weighed on a scale |
Capacity | the heaviest weight which can be weighed on a scale |
Range | the total span a balance can weigh from lightest to heaviest |
Calibration | Adjustments made to an outside standard |
Verification | confirming daily that the equipment is working properly, use of calibrated weights or pH buffer checks |
Percision | the ability to get the same result over and over |
Accuracy | getting the result you expect each time |
Tolerance | the amount of error you are willing to accept; tighter the tolerance the less error you will accept |
Equipment log book | where all verification and calibration records are stored |
Lab notebooks | legal documents, composition book, tracked and accounted for |
Created by:
kjaeger
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