























Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community for help and clear up your study doubts
Discover the best universities in your country according to Docsity users
Free resources
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
Fundamental concepts of chemistry including atomic structure, history of the atom, development of the periodic table, nuclear chemistry, chemical nomenclature and formula, types of reactions, stoichiometry, gas laws, liquids and solids, thermodynamics, chemical equilibrium, acids and bases. This lecture includes: Chemical Reactions, Chemical Equations, Conservation of Mass, Combustion of Methane, Combustion of Methane, Balanced, Writing Equations, Symbols Used in Equations, Balancing by Inspecti
Typology: Slides
1 / 31
This page cannot be seen from the preview
Don't miss anything!
Reactants
Products
Figure 6.1: Bubbles ofhydrogen and oxygen gasform when an electriccurrent is used todecompose water
Figure 6.2: Hot and cold pack reactions
Figure 6.3 (b):Chemicalreactions
Figure 6.3 (c):Chemicalreactions
Figure 6.4: Thereaction betweenmethane andoxygen to givewater and carbondioxide
-^
(g) 2
-^
does not change in the reaction
Al + FeSO
4
Al
3
+ Fe
4
the same side, count each separately and add
2
2
-^
2
write the equation in words– identify the state of each chemical
magnesium(s) + oxygen(g)
magnesium oxide(s)
write the equation in formulas– identify diatomic elements– identify polyatomic ions– determine formulas
-^
2
count the number of atoms on each side– count polyatomic groups as one “element” if on both sides– split count of element if in more than one compound on
one side