College Chemistry Quiz 1
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Length
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Meter
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TIme
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Second
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Mass
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Kilogram
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Temperature
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Celsius or kelvin
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Tera
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10¹² T
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giga
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10⁹ G
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mega
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10⁶ M
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kilo
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10³ = 1000 k
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deci
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10⁻¹ d
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centi
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10⁻² = 0.01 c
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mili
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10⁻³ = 0.001m
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micro
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10⁻⁶ fancy m
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nano
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10⁻⁹ n
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pico
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10⁻¹² pico
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femto
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10⁻¹⁵ f
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Atto
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10⁻¹⁸ a
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Celsius Formula
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°C = (°F-32)/ 1.8
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Kelvin Formula
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K = °C+273.15
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How to convert
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1. Draw a horizontal line. 2. Divide that line in half with one vertical line 3. Put the original number (the one you are trying to convert) into the upper left corner 4. Put What you are trying to convert it to in the upper right corner 5. Put below the upper right corner what that represent in the original unit. 7. Multiply 8. Simplify
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Scientific Method (6)
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1- Observation 2- Hypothesis 3- Experiment 4- Results 5- Accept, Revise, Discard 6- Theory (Conclusion)
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Classification of Matter
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MATTER -> Pure Substance & Impure Substance Pure Substance --> Elements (Hydrogen, Iron) & Compound (Water, Ammonia) Elements -> Metals (Silver); Non-Metals (Sulfur);; Metalloids (Arsenic); Noble Gases (Helium) Impure Substances (Mixtures) --> Homogeneous Mixtures (Salt solution, alcohol and water) & Heterogeneous Mixtures (Soil, wood)
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State of Matter (5)
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1- Solid (ice) 2- Liquid (water, H20) 3- Gas (steam, water vapor) 4- Plasma (stars, sun) 5- Base --> Einstein condensate
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Physical Change
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Substance remains Boiling water= phys
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Chemical Change
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Changed to new substance Rust - Chem Heat is added
