Lecture_5 - Todays Lecture Stoichiometry 3.6 Chemical...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Stoichiometry Today’s Lecture 3.6 Chemical Equations 3.7 Balancing Chemical Equations 3.8 Stoichiometric Calculations 3.9 Calculations Involving a Limiting Reagent 1 Chemical Equations ± a chemical reaction is a process in which one set of substance(s), called reactants, is converted to a new set of substance(s), called products ± e.g. 2 H 2(g) +O 2(g) 2H 2 O (g) ± besides specifying the compounds involved in the reaction, the equation often indicates the physical states of the reactants and products 2 Physical State Symbol solid (s) liquid (l) gas (g) aqueous solution (aq)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Chemical Equations (cont’d) ± reaction conditions are often written above or below the arrow in an equation Δ ± e.g. 2 Ag 2 O (s) 4 Ag (s) +O 2(g) ± in a chemical reaction, bonds are broken and new bonds are formed but atoms are neither created nor destroyed (i.e. the atoms are only reorganized in a chemical reaction) ± sometimes when two substances are mixed no observable 3 reaction occurs; each substance retains its original composition and properties - we need evidence before we
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 06/27/2009 for the course CHEM CHEM 121 taught by Professor Peggy during the Spring '09 term at Simon Fraser.

Page1 / 5

Lecture_5 - Todays Lecture Stoichiometry 3.6 Chemical...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online