Chem 1 Flashcards

(50 cards)

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
What is the SI unit for Density
kg/m^3
26
What is the formula for Converting Celsius to Kelvin
K = Celsius +273.15
27
What is the formula for Converting Kelving to Celsius
C = Kelvin - 273.15
28
What is the formula for converting Farehnheit to Celsius
C = (Farenheight - 32) * 5/9
29
What is an Extensive property ?
Changing the volume of the substance affects the amoount
30
What is an Intensive Property?
Changing the amount does not affect the property of a substance.
31
Is this an Color or a gas an intensive of extensive property?
Intensive
32
Is density and Intensive or extensive property?
Intensive because the density of a substance is independent of the amount of the substance.
33
Is temperature an intensive or extensive property?
Intensive.
34
Is heat an intensive or extensive property?
Extensive.
35
Round 3.665 to 3 significant figures
3.66
36
Round 3.335 to 3 significant figures
3.34 (last digit is a 5 and the prev digit is odd)
37
Round 4.221 to 3 significant figures
4.22
38
Round 4.889 to 3 significant figures
4.89
39
Round 4.999 to 3 significant figures
5.00
40
What does precision refer to?
reproducibility
41
What does accuracy refer to?
How close each measurement is to the actual value.
42
What is a systematic error?
Caused by a faulty device that can be repeated and removed.
43
What is a random error?
Errors that occur naturally through measurements.
44
Does precision have a low random error or a low systemic error?
Random
45
Does accuracy have a low random error or a low systemic error?
Both
46
Round 3.451 to 2 significant figures
3.4
47
Round 3.35 to 2 significant figures
3.4
48
Give an example of a molecule that is not a compound
N2, O2 (anything that contains 2 or more elements that are the same)
49
Is P2 a compound or a molecule
molecule
50
Give an example of a compound that is not a molecule
All compounds are molecules