Physical Processes Chemical Processes How Can Matter Change? Physical Processes Chemical Processes

Physical Processes

Phase Transitions of Matter Argon solid to liquid and gas Cooling Lava

Heating Curve for Water The Phase Transitions of Water

Carbon Dioxide Sublimation

Chemical Processes (Reactions) Processes that lead to the transformation of one set of chemical substances to another Breaking and forming of chemical bonds between atoms Changes that only involve the position of electrons

Chemical Reaction : : : · : H:H 2 H· :O:O: 2 :O: · Hydrogen Oxygen · : : : : · : H:H 2 H· :O:O: 2 :O: · Hydrogen Oxygen · : 2 H · + : O : H:O:H · : Water

Formation of Water from Hydrogen and Oxygen + Energy (Heat) 2 O H H 2 H H + O O E + + Space Shuttle Main Engines Fuel

Electrolysis of Water to Form Hydrogen and Oxygen + Energy 2 O H H 2 H H + O O E + + Electrolysis Experiment

Oxidation of Iron Fe O O O Fe Fe + O - O + +

Copper Copper Carbonate 2 Cu + H2O + CO2 + O2 CuCO3 + Cu(OH)2

Copper Patina

Acid Base Reaction NaHCO3 + CH3CO2H CH3CO2Na + H2O + CO2

Reactions Involving Light Chemiluminescence Bioluminescence Photosynthesis

Both Electronic and Nuclear Changes Occur Nuclear Reactions Both Electronic and Nuclear Changes Occur E= Mc2 Fission