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Chemistry > Chem 1 > Flashcards

Chem 1 Flashcards

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1
Q

What is the SI unit for Mass and its symbol?

A

kilogram(kg)

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2
Q

What is the SI unit for Length and its symbol?

A

meter(m)

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3
Q

What is the SI unit for Time and its symbol?

A

second(s)

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4
Q

What is the SI unit for Temperature?

A

Kelvin (K)

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5
Q

What is the SI unit for Amount of Substance?

A

Mole (mol)

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6
Q

What is the SI unit for Electric Current?

A

ampere (A)

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7
Q

What is the sI unit for Luminous intensity?

A

candela (cd)

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8
Q

What is the SI unit for Volume

A

cubic meters (m^3)

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9
Q

How many cubic meters are in a cubic cetemeter (cm^3)

A

1 mL

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10
Q

How many inches are in a cm

A

2.54 cm

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11
Q

What is the prefix and symbol for 10 ^ -1

A

decimeter (d)

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12
Q

What is the prefix and symbol for 10 ^-2

A

cm(cm)

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13
Q

What is the prefix and symbol for 10 ^ -3

A

milimeter (mm)

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14
Q

What is the prefix and symbol for 10 ^ -6

A

micrometer (um)

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15
Q

What is the prefix and symbol for 10^-9

A

nanometer(nm)

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16
Q

What is the prefix and symbol for 10 ^-12

A

picometer(pm)

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17
Q

What is the prefix and symbol for 10 ^-15

A

femtometer(fm)

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18
Q

What is the prefix and symbol for 10^1

A

dekameter(dag)

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19
Q

What is the prefix and symbol for 10^2

A

hectometer(hm)

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20
Q

What is the prefix and symbol for 10^3

A

kilometer(km)

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21
Q

What is the prefix and symbol for 10^6

A

megameter(Mm)

22
Q

What is the prefix and symbol for (use meters) for 10^9

A

gigameter(Gm)

23
Q

What is the prefix and symbol for (use meters) for 10^12

A

terameters(Tg)

24
Q

What is the formula for Density

A

d= Mass/Volume

25
Q

What is the SI unit for Density

A

kg/m^3

26
Q

What is the formula for Converting Celsius to Kelvin

A

K = Celsius +273.15

27
Q

What is the formula for Converting Kelving to Celsius

A

C = Kelvin - 273.15

28
Q

What is the formula for converting Farehnheit to Celsius

A

C = (Farenheight - 32) * 5/9

29
Q

What is an Extensive property ?

A

Changing the volume of the substance affects the amoount

30
Q

What is an Intensive Property?

A

Changing the amount does not affect the property of a substance.

31
Q

Is this an Color or a gas an intensive of extensive property?

A

Intensive

32
Q

Is density and Intensive or extensive property?

A

Intensive because the density of a substance is independent of the amount of the substance.

33
Q

Is temperature an intensive or extensive property?

A

Intensive.

34
Q

Is heat an intensive or extensive property?

A

Extensive.

35
Q

Round 3.665 to 3 significant figures

A

3.66

36
Q

Round 3.335 to 3 significant figures

A

3.34 (last digit is a 5 and the prev digit is odd)

37
Q

Round 4.221 to 3 significant figures

A

4.22

38
Q

Round 4.889 to 3 significant figures

A

4.89

39
Q

Round 4.999 to 3 significant figures

A

5.00

40
Q

What does precision refer to?

A

reproducibility

41
Q

What does accuracy refer to?

A

How close each measurement is to the actual value.

42
Q

What is a systematic error?

A

Caused by a faulty device that can be repeated and removed.

43
Q

What is a random error?

A

Errors that occur naturally through measurements.

44
Q

Does precision have a low random error or a low systemic error?

A

Random

45
Q

Does accuracy have a low random error or a low systemic error?

A

Both

46
Q

Round 3.451 to 2 significant figures

A

3.4

47
Q

Round 3.35 to 2 significant figures

A

3.4

48
Q

Give an example of a molecule that is not a compound

A

N2, O2 (anything that contains 2 or more elements that are the same)

49
Q

Is P2 a compound or a molecule

A

molecule

50
Q

Give an example of a compound that is not a molecule

A

All compounds are molecules

Chemistry (5 decks)

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