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TOLEDO / Chemistry / CHEM 1090 / What is the difference between intensive and extensive properties?

What is the difference between intensive and extensive properties?

What is the difference between intensive and extensive properties?

Description

School: University of Toledo
Department: Chemistry
Course: Elementary Chemistry
Professor: Elizabeth zhurova
Term: Spring 2017
Tags: Chemistry
Cost: 50
Name: Chem exam 1 study guide
Description: Chapters 1-4.1
Uploaded: 09/26/2017
2 Pages 130 Views 1 Unlocks
Reviews


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EXAM 1 Study Guide We also discuss several other topics like What is the leading environmental problem today

Intensive properties are not dependent on quantity 

eg: Speed, Price per unit, density

We also discuss several other topics like What does classical conditioning mean?

Extensive properties are dependent on quantity

eg: mass, length total price

 

Compounds are 2 or more elements… if it cannot be found on the periodic table, it is a compound.

We also discuss several other topics like What is objectivism about welfare according to chris heathwood?

Mixtures are made of 2 + elements or compounds… difference between mixture and compound is compounds have def. proportions

Mixtures can be:If you want to learn more check out Explain the theory of international exchange holding that exchange rates are set so that the price of similar goods in different countries is the same.
If you want to learn more check out What do you call a company that supplies services or products to other companies, commonly known as customers?

Homogeneous - naked/invisible eg: sugar water, salt waterIf you want to learn more check out How does the composition of magma determine the explosiveness of the volcanic eruption?

Heterogenous - visibly mixed eg: mud water, salad dressing

Physical changes can separate mixtures whereas

Chemical changes can separate compounds

        Side note: usually heat is always chemical

Micro                

Milli                

Centi                

Deci                 

Base unit        

Deca                

Hecto                

Kilo                

Mega                

In sig fig rules - zeros to the left of a # in decimal is not significant (eg: .0004 = 1 sig)

  • zeros to right of # without decimals are not significant (eg:4700=2 sig)

In addition and subtraction: round answer to first column of first uncertain digit

In multiplication and division: round answer to least # of sig fig

Density =

To calculate multiple proportions:

  1. Convert % of elements to g (x100)
  2. Divide element by other element(s) in compound
  3. Divide composition 1 by composition 2
  4. Create ratio

Isotope symbol =

        1 amv ≈ 1 proton / neutron

Calculating atomic mass:

Mass x percentage (as decimal) = #

                                     +

Mass x percentage (as decimal) = #

                                atomic mass

Wavelength =

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