chapter 2: Tools of Trade Flashcards

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1
Q

what is readability

A

the smallest increment of mass that can be indicated

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2
Q

what is a microblanace

A

measures milligram quantities with a readability of 1microgram

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3
Q

what is the linearity error

A

max error that can error as a result of nonlinear balance response

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4
Q

what is buoyancy

A

the upward force exerted on an objector gaseous fluid

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5
Q

what is the equation for relative uncertainty

A

uncertainty in quantity/ magnitude of quantity x100

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6
Q

what is a autotitrator

A

delivers reagent from a reservoir bottle

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7
Q

what can be measured more precicely

A

mass more than volyme

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8
Q

if you have a larger volumetric flask what does it mean

A

the smaller the realtive uncertainty

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9
Q

what is a pipet

A

glassware calibrated to deliver a known volume of a solution at 20 degrees

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10
Q

what is a serial dilution

A

process of making successive dilutions to obtain a desired concentration of reagent

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11
Q

what is calibration

A

the process of measuring the actual quantity that corresponds to an indicated quantity on the scale of the instrument

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12
Q

how do we get greater accuracy for calibrating volumetric glassware

A

measure volumes associated with a particular piece of equipment

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13
Q

what is the equation for correction for thermal expansion

A

c’/d/ = c/d

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