chemistry cp. everyday conversions in nb 12341234 1.how many pennies are in 1 dollar? 100 pennies=1...
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![Page 1: Chemistry CP. Everyday Conversions in NB 12341234 1.How many pennies are in 1 dollar? 100 pennies=1 dollar 2. How many dollars is in 18970 pennies? $189.70](https://reader036.vdocuments.us/reader036/viewer/2022081603/5697c02a1a28abf838cd7ee7/html5/thumbnails/1.jpg)
Chemistry CP
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Everyday Conversions in NB
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1. How many pennies are in 1 dollar?100 pennies=1 dollar
2. How many dollars is in 18970 pennies?$189.70
3. How many pennies are in 23 dollars?2300 pennies
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Metric System Scale in NB
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BigSmall
1Base Units
(g,m,L)
10Ten
Deka(da)
100Hundred
Hecto(h)
1000Thousand
Kilo(k)
0.1TenthDeci(d)
0.01Hundredth
Centi(c)
0.001Thousandth
Milli(m)
Multiple
Division
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Metric System Prefixes
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Metric Units Prefix Symbol
1,000,000,000,000 1012 tera T
1,000,000,000 109 giga G
1,000,000 106 mega M
1,000 103 kilo k
100 102 hecto h
10 10 deka da
0.1 10-1 deci d
0.01 10-2 centi c
0.001 10-3 milli m
0.000001 10-6 micro μ
0.000000001 10-9 nano n
0.000000000001 10-12 pico p
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Metric System International System of Units (SI)
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• Length – meter (m)• Mass – gram (g)• Volume – liter (L or l)• Time – second (s)• Temperature – Celsius (C) or Kelvin (K)• Amount of substance – Mole (mol)• Energy- Joule (J)
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How Do “Measure” Chemistry? •Metric System (International System of Units)•Significant Figures• Scientific Notation•Dimensional Analysis
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Significant Figures Rules in NB
1. Non-zero digits are always significant.26.38= 4 SF
2. Any zeros between two significant digits are significant. (Captured Zeros)406= 3 SF91,600= 3 SF
3. A final zero or trailing zeros in the decimal portion ONLY are significant. 0.00500= 3 SF0.03040= 4 SF
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Metric and Significant Figures Homework in NB
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Show your work (conversion factor).1. 1.93 m= 193 cm2. 50 cm= 0.0005
km3. 1000 g= 1 kg4. 14,576 L= 145.76
hL5. 658 dag= 6580 g
How many significant figures?6. 3.0800 5 SF7. 0.00418 3 SF8. 7.09 x 105 3 SF9. 91,600 3 SF 10. 0.003005 4 SF11. 3.200 x 109 4 SF12. 780,000,000 2 SF13. 0.0101 3 SF
![Page 9: Chemistry CP. Everyday Conversions in NB 12341234 1.How many pennies are in 1 dollar? 100 pennies=1 dollar 2. How many dollars is in 18970 pennies? $189.70](https://reader036.vdocuments.us/reader036/viewer/2022081603/5697c02a1a28abf838cd7ee7/html5/thumbnails/9.jpg)
Significant Figures Rules in NB
1. Non-zero digits are always significant.26.38= 4 SF
2. Any zeros between two significant digits are significant. (Captured Zeros)406= 3 SF91,600= 3 SF
3. A final zero or trailing zeros in the decimal portion ONLY are significant. 0.00500= 3 SF0.03040= 4 SF
![Page 10: Chemistry CP. Everyday Conversions in NB 12341234 1.How many pennies are in 1 dollar? 100 pennies=1 dollar 2. How many dollars is in 18970 pennies? $189.70](https://reader036.vdocuments.us/reader036/viewer/2022081603/5697c02a1a28abf838cd7ee7/html5/thumbnails/10.jpg)
Metric System Tools•Mass (g): gram scale
• Length (m): Ruler and Meter Stick
• Volume (L): Graduated Cylinder
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Metric Lab in NB1. Length Measurements (3 SF)• Diameter Penny (cm)• Height Lab Counter (cm)• Width of Textbook (cm)• Length of Room (m)
Diameter of Penny
Height of Lab
Counter
Width of Textbook
Length of Room
km km km km
m m m m
cm cm cm cm
mm mm mm mm