Unit 1 Review Flashcards

1
Q

The study of the composition of master and the changed it undergoes

A

Chemistry

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2
Q

Anything that has mass and occupies space

A

Matter

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3
Q

A measurement that is taken to concisely convey an observed value

A

Scientific measurement

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4
Q

A measure of how close a measurement is to the true value of whatever is being measured

A

Accuracy

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5
Q

A measure of how close a series of measurements are to each other

A

Precision

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6
Q

The degree of compactness in a measurement

A

Density

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7
Q

NO3 -1

A

Nitrate

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8
Q

SO4 -2

A

Sulfate

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9
Q

OH -1

A

Hydroxide

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10
Q

H3O+

A

Hydronium

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11
Q

C2H3O2-

A

Acetate

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12
Q

Micro is 1/?

A

1000000 (million)

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13
Q

Milli is 1/?

A

1000

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14
Q

When adding scientific notation you..

A

Make sure the exponents are the same, add the numbers

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15
Q

When multiplying/ dividing scientific notation, you…

A

Add the exponents (multiplication) or subtract the exponents (division)

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16
Q

When adding/subtracting calculations with sig figs, you…

A

Round to the least number of decimals

17
Q

When you multiply/divide calculations with sig figs you…

A

Round to the least number of sig figs

18
Q

To convert C to kelvin, you…

A

Add 273 to the C

19
Q

Abbreviation for micro is…

A

Like a u the with a tail off the beginning