Chapter 3 Reading Assignment

Chapter 3 Reading Assignment - Chemistry 113 Reading...

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Chemistry 113 Reading Assignment Chapter 3 #1 (Section 3.1) Chemical equations are much like sentences describing, for example, how two substances (reactants) combine to form another substance (product). A. Write the following chemical equation in sentence form: 2 H 2 + O 2 2 H 2 O 2 moles of diatomic hydrogen react with the diatomic molecule oxygen to form 2 moles of water (or 2H 2 O) B. We balance chemical equations because they must adhere to the Law of Conservation of Matter, that is “matter is neither created or destroyed”. So there must be an equal number of what on each side of a chemical equation? There must be an equal number of each type of atom on either side of a chemical equation. C. What small letter subscripts do we use to indicate whether a substance is a solid _ s _, liquid _ l _ or gas _ g _ ? #2. (Sec 3.2) Some specific types of chemical reactions are discussed in this chapter, what type of reaction is generically represented as: a) A + B C _ combination _ b)
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Chapter 3 Reading Assignment - Chemistry 113 Reading...

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