Chapter 6 - Chemical reactions Flashcards
(3 cards)
0
Q
Describe what the rule for balancing the chemical equation means.
A
all atoms in the reactants must be accounted for among the products
1
Q
What are clues that a chemical reaction has taken place?
A
- visual clues - steel rusts
- color change
- solid forms
- bubbles form
- heat or flame is produces / heat is absorbed
2
Q
A chemical equation provieds two important types of information
A
- the ID’s of the reactants and products
- the number of each
