unit one review n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Unit One: Review PowerPoint Presentation
Download Presentation
Unit One: Review

Loading in 2 Seconds...

play fullscreen
1 / 14

Unit One: Review - PowerPoint PPT Presentation


  • 98 Views
  • Uploaded on

Unit One: Review. Chemistry II. What is Chemistry?. Chemistry: The study of matter, its structure, properties, and composition, and the changes that matter undergoes a. Matter – has mass and takes up space. II. Graph – a visual display of information. 3 types : line, bar, and pie graph

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

Unit One: Review


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
unit one review

Unit One: Review

Chemistry II

what is chemistry
What is Chemistry?
  • Chemistry: The study of matter, its structure, properties, and composition, and the changes that matter undergoes

a. Matter – has mass and takes up space

ii graph a visual display of information
II. Graph – a visual display of information

3 types : line, bar, and pie graph

A. Line Graph – shows how information changes over time, or to show continuous data

slide4

Example:

Day of the Week Temperature

Sunday 81

Monday 86

Tuesday 82

Wednesday 79

Thursday 76

Friday 80

Saturday 74

iii si system international system of standards
III. SI System – International System of Standards

A. Base units:

Mass – kg (only one with a prefix)

Length – m

Time – s

B. Derived units – combinations of base units by multiplication or division

ex: speed – m/s

force = N = kg*m/s2

slide8

C. Prefixes –

- used to express big or small extremes

Micro µ (1x106µm/m)

Milli m (1x103mm/m)

Centi c (1x102cm/m)

Deci d (1x101dm/m)

------

DekadK (1x10-1dKm/m)

Hecto h (1x10-2hm/m)

Kilo k (1x10-3km/m)

Mega M (1x10-6Mm/m)

iii density
III. Density
  • Density – amount of matter present in a given volume of substance
slide11

Practice: Suppose a student finds that 23.50 mL of a certain liquid weighs 35.062g. What is the density of this liquid?

Density = mass = 35.063g = 1.492 g/mL

volume

23.50 mL

slide12

B. Density Determination

1. Submerge object in water and measure the volume of water it displaced

Example: measuring

a person’s % body fat

slide13

C. Uses

1. Identification of substances

slide14

2. Specific Gravity – the ratio of the density of a given liquid to the density of water at 4 degrees C

- because it is a ratio of densities, it has no units