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When acids react with metals and disappear, and produce hydrogen gas, the metals appear to _________.
Foods must be ______ ____ into simpler substances that are useable for materials and energy
Type of digestion: The process through which your food is physical broken down into smaller, more manageable pieces. The result is a physical change.
Type of digestion: The molecules in food are chemically broken down into new forms that are useable for energy and for the maintenance/growth of muscle, bones, skin, and organs
Chemical Digestion is made possible with the help of _______, catalysts in the body that help speed up the "Reactions of Life"
Occurs when stomach acids backup into the esophagus causing painful discomfort in the chest
Help with heartburn: They neurtalize the acids that have left the stomach, and lower excessively high acid levels that result from certain foods
Smoother, Cools Down, and No Friction
After rubbing 2 pieces of paper together, when you put lead on the paper, what are 3 new properties?
The high number of _______ _____, and the fact that Carbon can bond with both itself and other atoms, makes it possible for Carbon to form a variety of molecular structures
The Carbon molecular structures have different __________ depending on their shapes and attractions
Since there are so many carbon compounds, we gave them their own name: _______ _________
Low Melting and Boiling Points
Many Organic Compounds have similar properties like ___ _______ and _______ ______
Carbon and Hydrogen
What makes Hydrocarbons distinct is the number of ______ and ________ atoms in their structures.
Some hydrocarbons develop slight differences because of differences in their _________ _________.
Halogen containing compounds, alcohols, and organic acids
3 Common examples of substituted hydrocarbons
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