Matter Measurement And Problem Solving Part 1 V2 Flashcards
(77 cards)
1
Q
What is the SI Unit of Length
A
meter (m)
2
Q
What is the SI Unit of Mass
A
kilogram (kg)
3
Q
What is the SI Unit of Time
A
seconds (S)
4
Q
What is the SI Unit of Volume
A
cubic meter (m^3)
5
Q
What is the metric unit for volume?
A
liter (L)
6
Q
How do you convert from Celsius to Fahreneheit? (C —> F)
A
(C x 1.8)+32 = F
7
Q
How do you convert from Fahrenheit to Celsius? (F ——>C)
A
F-32 / 1.8 = C
8
Q
How do you convert from Celsius to Kelvin? (C —–> K)
A
273.15 + C = K
9
Q
How do you convert from Kelvin to Celsius? (K —–> C)
A
C = K-273
10
Q
What are the symbols and prefix for micro?
A
mc or fancy u
11
Q
What prefix is mc or fancy u?
A
micro
12
Q
mega-
A
10^6
13
Q
10^6
A
mega-
14
Q
kilo-
A
10^3
15
Q
10^3
A
kilo-
16
Q
deci-
A
10^-1
17
Q
10^-1
A
deci-
18
Q
centi-
A
10^-2
19
Q
10^-2
A
centi-
20
Q
milli-
A
10^-3
21
Q
10^-3
A
milli-
22
Q
micro-
A
10^-6
23
Q
10^-6
A
micro-
24
Q
nano-
A
10^-9
25
10^-9
nano-
26
pico-
10^-12
27
1 mL = ____ cm^3
1 ml = 1 cm^3
28
1 cm^3 = ____ mL
1 cm^3 = 1 mL
29
Define Density
Ratio of mass to volume (mass per unit volume)
30
per means _______
divide
31
When calculating density there are two right ways to place units, these are
Solids= g / cm^3 & Liquids= g/mL
32
What is the correct unit format for calculating the density of a solid?
Density of Solids = g/cm^3
33
What is the correct unit format for calculating the density of a liquid?
Density of Liquid = g/mL
34
Volume of a solid can be determined by _____________ (_______________ principle)
Water displacement, Archimedes Principle
35
Which state of matter is the most dense?
Solids
36
Which state of matter is the least dense?
Gases
37
Ice is (a. more b. less) dense than liquid water?
less
38
All non zero numbers ______ sig figs. Ex. 5.26 mL
a. are
b. aren't
a. are
All non zero numbers ARE significant
39
Zeros at the beginning of decimal non zero numbers are _____ sig figs.
Ex. 0.0002 m | 0.003 g
a. are
b. aren't
b. aren't
Zeros at the beginning of decimal non zero numbers are NOT significant
40
Zeros between non zero numbers _______ sig figs.
Ex. 20.008
a. are
b. aren't
a. are
Zeros between non zero numbers ARE significant
41
IMPORTANT! What is the density of water?
1.00
42
Zeros at the end of decimal number ______ sig figs. Ex. 30. L | 20.0 m | 1.26000 S
a. are
b. aren't
a. are
Zeros at the end of decimal number ARE significant
43
What degree CELSIUS does water boil at?
Water boils at 100* C
44
Homogenous Mixture =
Uniform Composition
45
Heterogeneous mixture=
non uniform composition
46
Examples of physical changes
*Boiling *Dissolving *Melting/Freezing *Subliming
47
Examples of chemical changes
*Rusting *Burning * Dyes fading or changing colors
48
1kg = how many pounds?
2.2046 lbs
49
1lb = how many grams
453.59 grams
50
1 kg = how many grams
1000 grams
51
1 g = how many milligrams
1000 mg
52
1 g = how many kilograms?
0.001 kg
53
1mg = how many grams
0.001 g
54
1L = how many deciliters cubed?
1 deciliter cubed
55
1L = how many mL
1000 milliliters
56
1mL = how many Liters?
0.001 L
57
1mL = how many centimeters cubed
1 cm ^3
58
1 kilometer = how many miles
0.6214 mi
59
1 meter = how many inches
39.37 in
60
1 meter = how many yards?
1.094 yds
61
1 ft = how many centimeters?
30.48 cm
62
1 in = how many centimeters?
2.54 cm
63
1 kilogram = how many pounds?
2.205 lbs
64
1 lb = how many grams?
453.59 g
65
1 oz = how many grams?
28.35 g
66
1 liter = how many milliliters?
1000 mL
67
1 liter = how many cubic centimeters?
1000 cm^3
68
1 liter = how many quarts?
1.057 qt
69
1 US Gallon = how many liters?
3.785 L
70
Formula for calculating density is
Mass/Volume
71
Formula for calculating volume is
Mass/Density
72
Formula for calculating mass is
Density * Volume
73
When multiplying and dividing you round to the least number of ?
Significant Figures
74
When adding and subtracting you round to the least number of ?
Decimal Places
75
1 yd = how many centimeters?
91.44 cm
76
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