Unit 1: Measurements Flashcards

1
Q

What are the (7) SI base units (dimension, unit name, unit abbreviation)?

A

Mass; kilogram (kg)
Length; meter (m)
Time; second (s)
Temperature; kelvin (K)
Electric current; ampoule (A)
Amount of substance; mole (mol)
Luminous intensity; candela (cd)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are derived units?

A

Combinations of base units.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the (8) SI prefixes (prefix, prefix symbol, multiple)

A

Mega; M (106)
Kilo; K (103)
Deci; d (10-1)
Centi; c (10-2)
Milli; m (10-3)
Micro; μ (10-6)
Nano; n (10-9)
Pico; p (10-12)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Equation for density

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Extensive vs intensive properties. Give examples.

A

Intensive properties DO NOT depend on amount of substance. (Density, temperature)
Extensive properties depend on amount of substances. (Mass, volume)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Mass vs weight

A

Mass is constant, weight changes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Temperature vs heat

A

Temp.:
Hotness/coldness relative to another substance.
Measure of average kinetic energy.

Heat:
Energy that flows when there’s a difference in temperature.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Celsius and kelvin

A

Kelvin = Celsius + 273.15
Celsius = kelvin - 273.15

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

1 L =
1 mL =

A

dm3
cm3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly