Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
|
Synthesis Reaction
|
When two or more substances combine to form a single substance
Example: sodium + chlorine = sodium chloride |
|
|
Decomposition Reaction
|
When a single compound breaks down into two simpler substances
Example: Sugar = water + carbon |
|
|
Combustion Reaction
|
When a substance rapidly combines with oxygen to form one or more oxides and releases energy
Example: methane gas in air (heat from spark = catalyst) |
|
|
Double-Replacement Reaction
|
The positive and negative portions of two ionic compounds interchange
|
|
|
Single-Displacement Reaction
|
When a substance takes the place of another in a compound
Example: Silver & Copper Solution = copper + silver nitrate |
|
|
Acid-Base Reaction
|
Reactants: acid and base
Products: just makes certain characteristics less/more visible Example: Potassium Hydroxide + Hydrochloric Acid |
|
|
What is a Chemical Reaction?
|
when one or more substances change into new substances
|
|
|
Reactants
|
the starting (original) substances
|
|
|
Products
|
the formed (new) substances
|
|
|
Chemical Property
|
the ability of a substance to undergo a chemical reaction and form new substances
|
|
|
3 Ways to know that a chemical reaction took place
|
1) energy is either absorbed or given off
2) change in color/odor 3) production of a gas/solid from a liquid |
|
|
Are chemical changes reversible?
|
no (iron + oxygen = rust ; rust - oxygen ≠ iron)
|
|
|
Conservation of Mass
|
in any physical or chemical change, mass is neither created nor destroyed
|
|
|
Precipitation Reaction
|
the formation of a solid in a solution or inside another solid during a chemical reaction
Example: Potassium Chromate + Silver Nitrate = red precipitate |
