Quizlet

Flashcards: SVMSscience - Chem Unit 3

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Conservation of MatterMatter cannot be created nor destroyed during a chemical reaction
Exothermic ReactionChemical reaction where heat is released
Endothermic ReactionChemical Reaction where heat is absorbed
Acid pHLower than 7
Base pHHigher than 7
Neutral pH7
Acid Taste and Litmus ColorSour taste, red
Base Taste and Litmus ColorBitter taste, blue
Why is carbon in all living things?Its ability to combine in many ways with itself and other elements
What is the definition of a polymer?A large number of monomers chemically bonded in a repeating pattern
Acids produce which ions?H+ ions
Bases produce which ions?OH- ions
Properties of AcidspH<7, sour taste, litmus paper turns red, reacts with metals
Properties of BasespH>7, bitter taste, litmus paper turns blue, slippery, does not react with metals
What are the 6 elements that play a central role in the chemistry of living things?Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, and Sulfur
Name 4 small molecules of living organismsWater, salt, carbon dioxide, and oxygen
Name 4 large molecules of living organismsCarbohydrates, fats, proteins, and DNA