Chem. Vocab
Terms
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- dilute
- a weak solution. Ex: a teaspoon of lemon juice in a gallon of water
- acid
- releases hydrogen ions (H+); a chemical with a pH less than 7
- product
- the new thing that forms during a chemical reaction
- neutralization
- a process by which acids & bases become neutral, they form salt & water
- base
- releases hydroxide atoms (OH-); a chemical with a pH more than 7
- reactant
- the part that is involved in a chemical reaction
- formula
- the arrangement of symbols in a compound Ex: H20
- concentrated
- a strong solution. Ex: dissolve two cups of sugar in a cup of water
- solvent
- a substance that dissolves other materials
- exothermic reaction
- a chemical reaction that gives off energy. Ex: paper burning give off heat & light
- chemical equation
- a way to describe what happens during a chemical reaction
- pH scale
- describes the srtength of acids & bases
- condensation
- Ex: water droplets appear on the side of a cold glass
- solute
- the material being dissolved. Ex: cardon dioxide in a carbonated drink
- endothermic reaction
- a chemical reaction that needs energy to keep going. Ex: cold pack
- indicator
- determines the pH reading of a chemical