Chem 101 Midterm 1

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Last updated 8:45 PM on 9/14/26
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23 Terms

1
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Speed unit

m/s

2
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Volume unit

m³

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Density unit

kg/L³

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Energy unit

Joule

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Power unit

Watt

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tera (T)

10^12

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giga (G)

10^9

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mega (M)

10^6

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kilo (k)

10³

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hecto (h)

10²

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deka (da)

10^1

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deci (d)

10^-1

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centi ( c )

10^-2

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milli (m)

10^-3

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micro (µ)

10^-6

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nano (n)

10^-9

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pico (p)

10^-12

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femto (f)

10^-15

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1 inch = __ cm

2.54

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Accuracy

proximity of a measurement to the true value of a quantity

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Precision

proximity of several measurements to each other (most precise = smallest difference between measurements)

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Multiplication/division SF Rules

result rounded to the same number of sig figs as the given numbner with the fewest significant figures

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Addition/subtraction SF Rules

result rounded to the fewest decimal places in the given numbers