Representing Chemical Change Flashcards
How are chemical reactions represented?
With balanced chemical equations
How many things do you need to remember when balancing equations?
Five
What are the five things to remember when balancing equations?
Diatomic molecules Names of common acids Correct chemical formulas Phases The heated symbol
How do you figure out the correct chemical formula for each substance in the chemical reaction?
Valency or ion charges
What symbol represents that a substance is in the solid phase?
(s)
What symbol represents that a substance is in the liquid phase?
(l)
What symbol represents that a substance is in the gaseous phase?
(g)
What symbol represents that a substance is in an aqueous solution?
(aq)
What symbol shows that the reactants have been heated?
Δ is written over the arrow symbol
What is the usual suffix for an acid?
-ic
What is another suffix used to show an acid?
-ous
When will the suffix -ous be used?
When the acid has one less oxygen acid than the -ic acid
