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Chem 106 MOD 2
energy types, matter, gas laws, energy laws, specific heat, calories conversions
Question | Answer |
---|---|
Matter is: | Anything that mass/mass that occupies space |
Matter that has a fixed composition | pure substance |
two or more substance that are physically mixed, but not chemically combined | Mixture |
Simplest type of pure substance Example: copper | element |
compounds can be broken into simpler substances example: water | compound |
(Solution) compostion is uniform throughout substance ex: air contains oxygen, nitrogen gases and sea water | homogeneous |
not a yniform composition ex: oil and water | heterogeneous |