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Flashcards in Chemical Reactions Deck (11):
1

What occurs when elements or compounds have their bonds re-arranged

Chemical Reaction

2

How many types of chemical reactions are there

Four

3

1st type of chemical reactions something new is made from existing compounds or elements. A+B ----->AB

Synthesis

4

2nd type of chemical reaction, an existing compound is broken down into its component parts. Ab----A+b

Decomposition

5

3rd chemical reaction, one part of an existing compound is replaced by something else Ab + c ------>Ac +b

Single replacement action

6

4th chemical reaction, the parts of two existing compounds switch partners
Ab +CD ---->AD + CB

Double replacement

7

A mathematical representation of a chemical reaction

Chemical equation

8

Chemical equation has two parts, what are they

1. Reagents are what exists before the reaction takes place
2. Products are what exists after the reaction takes place

9

The law of conservation of _____________________ can neither be created nor destroyed. It can only be ____________________.

Matter, transferred

10

Give an example of the law of conservation of matter

6 people in a row boat can change seats but nobody disappears or appears

11

True or False . We can and must balance any chemical equation

True