Chemistry_Unit 1

The study of matter , its structure, properties and composition, and the changes that matter undergoes.

So, why do I need to learn about chemistry?

Almost everything we come in contact with is made of materials created or enhanced by chemistry!! Examples… Plastics Clothing Medicine Cosmetics Hygiene Products

Branches of Chemistry Organic Inorganic Physical Analytical Biochemistry Theoretical

So, what are some careers in chemistry? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Matter and Its Properties ,[object Object],[object Object],[object Object]

Building Blocks of Matter ,[object Object],[object Object],[object Object]

Properties of Matter ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Properties (con’t) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Physical Changes ,[object Object],[object Object],[object Object],[object Object]

Chemical Changes ,[object Object],[object Object],[object Object]

Classification of Matter ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Periodic Table ,[object Object],[object Object],Group Period

So, how does one use chemistry to make discoveries? The Scientific Method!!!

The Scientific Method A logical approach to solving problems by observing and collecting data, formulating hypotheses, testing hypotheses, and formulating theories that are supported by data.

Scientific Method ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Important Things to Consider… ,[object Object],[object Object],[object Object],[object Object]

Safety Rules ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Safety Rules (con’t) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Safety Rules (con’t) ,[object Object],Complete the contract and return tomorrow for a homework grade!!!

Beaker ,[object Object],[object Object]

Bunsen Burner ,[object Object]

Ring Stand ,[object Object],[object Object],[object Object]

Crucible ,[object Object],[object Object]

Flasks ,[object Object],[object Object],Erlenmeyer Florence

Evaporating Dish ,[object Object]

Mortar and Pestle ,[object Object]

Pipestem Triangle ,[object Object],[object Object]

Test Tube Holder ,[object Object]

Widemouth Bottle ,[object Object],[object Object]

Graduated Cylinder ,[object Object]

Triple Beam Balance ,[object Object]

Test Tube Clamp ,[object Object],[object Object]

How does one collect data or determine a result in chemistry?

Chemistry is a QUANTITATIVE science, meaning that we describe most things by using numbers!!!

Scientific Notation ,[object Object],[object Object],[object Object],[object Object]

Scientific Notation (con’t) ,[object Object],[object Object],[object Object]

Scientific Notation (Examples) ,[object Object],[object Object],[object Object],[object Object]

Negative vs. Positive Exponents ,[object Object],[object Object],[object Object]

Practice ,[object Object],[object Object],[object Object],[object Object]

Removing from Scientific Notation ,[object Object],[object Object],[object Object]

Practice ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Calculations with Scientific Notation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Calculations with Scientific Notation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Significant Figures/Digits Valid Digits/Figures

Rules for Significant Figures ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

Arithmetic with Significant Digits ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Learning Check ,[object Object],[object Object],[object Object],[object Object],[object Object]

Solution ,[object Object],[object Object],[object Object],[object Object],[object Object]

Standards of Measurement ,[object Object],For example, at one time the standard for length was the king’s foot. What are some problems with this standard?

SI measurement ,[object Object],[object Object]

SI Base Units Quantity Symbol Unit Abbreviation Length l Meter m Mass m Kilogram kg Time t Second s Temperature T Kelvin K Amt. of Substance n Mole mol Electric Current I Ampere A Luminous Intensity I v Candela cd

Mass vs. Weight ,[object Object],[object Object],Can you hear me now?

Derived Units Combination of SI base units Area Volume Density

SI Prefixes Table 5. SI prefixes Factor

Converting Among Units ,[object Object],[object Object],[object Object]

Moving the Decimal ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object]

Factor-Label Method ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Reading a Meterstick ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Let's Try It!!

Stating a Measurement ,[object Object],[object Object],[object Object],[object Object]

Three targets with three arrows each to shoot. Can you hit the bull's-eye? Both accurate and precise Precise but not accurate Neither accurate nor precise How do they compare? Can you define accuracy and precision?

Accuracy vs. Precision ,[object Object],[object Object],[object Object],[object Object]

Chemistry_Unit 1

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Chemistry_Unit 1