Unit 4 Week 1 - General Chemistry CHEM 151 Week 13 UA GenChem Week 13 Reading Assignment Chapter 3 Section 3.3(balancing equations Section

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UA GenChem General Chemistry CHEM 151 Week 13
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UA GenChem Week 13 Reading Assignment Chapter 3 – Section 3.3 (balancing equations), Section 3.4 (stoichiometry), Section 3.5 (solution stoichiometry)
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UA GenChem Chemistry Analysis What are these? Modeling How do I explain it? Synthesis How do I make it? Three central goals We have focused on understanding the behavior of molecules and atoms. Now, let’s consider how molecules interact to make new molecules
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UA GenChem Microscopic Interpretation of Chemical Equations . When particles collide and create new molecules we have a CHEMICAL REACTION We use CHEMICAL EQUATIONS to describe the process.
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UA GenChem During a chemical reaction chemical bonds are broken and new bonds are formed. The chemical nature of the substances present in the system changes. Chemical Reactions Microscopic Representation O 2 SO 2 Reactants SO 3 Products 2 SO 2 (g) + O 2 (g) 2 SO 3 Chemical Equation
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UA GenChem Chemical Equations Write the chemical equations that corresponds to the following microscopic representations: X Y We write X 2 + 2 Y 2 2 XY 2 (simplest whole numbers) We see 2 X 2 + 4 Y 2 4 2
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UA GenChem Chemical Equations Write the chemical equations that corresponds to the following microscopic representations: X Y
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UA GenChem Chemical Equations Write the chemical equations that corresponds to the following microscopic representations: X Y Total of each atoms does not change Total number of molecules can change and often does
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UA GenChem Chemical Reactions During a chemical reaction chemical bonds are broken and new bonds are formed.
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This note was uploaded on 06/12/2008 for the course CHEM 151 taught by Professor Staff during the Spring '08 term at University of Arizona- Tucson.

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Unit 4 Week 1 - General Chemistry CHEM 151 Week 13 UA GenChem Week 13 Reading Assignment Chapter 3 Section 3.3(balancing equations Section

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