Chapter 2 Flashcards

1
Q

What is the SI unit for mass?

A

Kilogram

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

What is the SI unit for time?

A

Second

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

What is the SI unit for temperature?

A

Kelvin

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

What is the SI unit for Amount of substance?

A

Mole

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

What is the SI unit for electric current?

A

Ampere

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

What is the SI unit for luminous intensity?

A

Candela

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

What is kilo (power, symbol, #)?

A

10^3
k
1000

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

What is hecto(power, symbol, #)?

A

10^2
h
100

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

What is deci(power, symbol, #)?

A

10^-1
d
1/10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is centi (power, symbol, #)?

A

10^-2
c
1/100

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is milli (power, symbol, #)?

A

10^-3
m
1/1000

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is micro (power, symbol, #)?

A

10^-6
u
1/1 000 000

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is nano (power, symbol, #)?

A

10^-9
n
1/1 000 000 000

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What does SI mean?

A

Le Système Internation Unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the SI unit for length?

A

Meter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is volume?

A

The amount of space occupied by an object

17
Q

What is density?

A

The ratio of mass to volume or mass divided by volume

18
Q

What is accuracy?

A

The closeness of measurements to the correct or accepted value of the quantity measured

19
Q

What is precision?

A

Refers to the closeness of a set of measurements of the same quantity made in the same way

20
Q

How do you get percent error

A

Percent error=
(|Value accepted-value experimental|
/value accepted)X100

21
Q

What are significant figures?

A

A measurement consists of all the digits known with certainty plus one final digit, which is somewhat uncertain or is estimated

22
Q

What is quantitative data?

A

Measurements that have numbers

23
Q

What is qualitative data?

A

Observations that do not include numbers

24
Q

What are direct proportions?

A

If you divide one quantum by another then a constant value will be the answer

25
Q

What is an indirect proportion?

A

If each quantity is multiplied by the other the the products will be a constant value

26
Q

What is the density triangle?

A

/DxV\

27
Q

D=

A

m/V

28
Q

m=

A

D*V

29
Q

V=

A

m/D