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General Chemistry > Chemistry Fundamentals > Flashcards

Chemistry Fundamentals Flashcards

1
Q

What is the SI unit for length?

A

meter

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2
Q

What is the SI unit for mass?

A

kilogram (kg)

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3
Q

What is the SI unit for time?

A

second (s)

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4
Q

What is the SI unit for the amount of substance?

A

mole (mol)

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5
Q

What is the SI unit for temperature?

A

kelvin (K)

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6
Q

What is the SI unit for an electric current?

A

ampere (A)

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7
Q

What are the units for speed?

A

meters per second (m/s)

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8
Q

What is the SI unit for energy (the joule)?

A

kilograms times meters sq per second sq (kg *m^2/s^2)

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9
Q

What is the multiple for micro?

A

µ It is 1,000,000 times smaller or (10^-6) than the base unit

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10
Q

What is the multiple for nano?

A

n 10^-9

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11
Q

What is the multiple for milli?

A

m It is 1,000 times smaller or (10^-3) than the base unit

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12
Q

What is the multiple for centi?

A

c It is 100 times or (10^-2) smaller than the base unit

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13
Q

What does a kilo mean?

A

k It is 1,000 or (10^3) larger than 1 gram

1 k = 1,000 g

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14
Q

What is the multiple for mega?

A

M 10^6

1 M = 1,000,000 g

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15
Q

What is the SI unit for volume?

A

liter

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16
Q

What is the consequence of a liter?

A

1 mL = 1cm^3 = 1 cc

17
Q

What is the units for density?

A

g/ cm^3 or kg/m^3

18
Q

How do you go from kg/ m^3 to g/cm^3?

A

Divide by 1,000

19
Q

How do you go from g/cm^3 to kg/ m^3?

A

Multiply by 1,000

20
Q

What is the difference between empirical and molecular formulas?

A

The empirical formula gives the lowest reciprocal of each compound. The molecular formula gives you the chemical identity with the number of atoms in the molecule.

21
Q

List the cations

A

Ammonium NH4+
Hydronium H3O+

22
Q

Ammonium

A

NH4+

23
Q

Hydronium

A

H30+

24
Q

Acetate

A

CH3CO2 -

25
Q

Ammonium vs Ammonia

A

Ammonium (NH4+) Ammonia (NH3-)

26
Q

Bicarbonate

A

CO3H-

27
Q

Cyanide

A

CN-

28
Q

Hydroxide

A

OH-

29
Q

Nitrate

A

NO3-

30
Q

Nitrite

A

NO2-

31
Q

Perchlorate

A

ClO4-

General Chemistry (2 decks)

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