Chapter 7 Chemical Reactions Worksheet Answer Key Abalanced equation is an equation in which the number of atoms on the reactants side equalsthe number of atoms on the products side of the chemical equation 16 Equilibrium A state in which the forward and reverse paths of a physical or chemical change take place at the same rate
Chapter 7 Chemical Reactions br Section 7 1 Describing Reactions br pages 192 198 br This section discusses the use of chemical equations and how to balance them br It also demonstrates the use of calculations in chemistry br Reading Strategy page 192 br Monitoring Your Understanding Preview the Key Concepts topic br SECTION 1 SHORT ANSWER Answer the following questions in the space provided 1 c In a Stock system name such as iron III sulfate the Roman numeral tells us a how many atoms of Fe are in one formula unit b how many sulfate ions can be attached to the iron atom c the charge on each Fe ion d the total positive charge of the formula unit
Chapter 7 Chemical Reactions Worksheet Answer Key
Chapter 7 Chemical Reactions Worksheet Answer Key
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Describing Chemical Reactions Worksheet Answers
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WORK Classifying Chemical Reactions Worksheet Answer Key Section 3
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1 The protons in the nucleus do not change during normal chemical reactions Only the outer electrons move Positive charges form when electrons are lost 3 P I Cl and O would form anions because they are nonmetals Mg In Cs Pb and Co would form cations because they are metals 5 a P 3 b Mg 2 c Al 3 d O 2 e Cl Chapter 7 Chemical Reactions Section 7 1 Describing Reactions pages 192 198 This section discusses the use of chemical equations and how to balance them It also demonstrates the use of calculations in chemistry Reading Strategy page 192
Types of Chemical Reaction Worksheet Types of Chemical Reactions Balance each of the following reactions and identify each type of reaction NaBr Ca OH 2 CaBr2 NaOH NH3 H2 SO4 NH4 2 SO4 C5H9O O2 CO2 H2O Pb H3 PO4 H2 Pb3 PO4 2 Science Chapter 7 Chemical Reactions Section 2 Types of Reactions Worksheet Classifying Reactions Name five general types of chemical reactions Click the card to flip Synthesis Decomposition Single replacement Double replacement and Combustion Click the card to flip 1 17 Flashcards Learn Test Match Q Chat Created by rsabolling
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19 a acid base b oxidation reduction Na is oxidized H is reduced c oxidation reduction Mg is oxidized Cl 2 is reduced d acid base e oxidation reduction P 3 is oxidized O 2 is reduced f acid base 21 Evidence of a Chemical Reaction 1 a b 3 c Writing and Balancing Chemical Equations 5 b 7 a Zn s 2HCl aq ZnCl 2 aq H 2 g b CH 4 g 2O 2 g CO 2 g 2H 2 O l c Ca OH 2 aq CO 2 g CaCO 3 s H 2 O l d 2Fe 2 O 3 s 6Cl 2 g 4FeCl 3 aq 3O 2 g 9 a N 2 O 3 aq H 2 O l 2HNO 2 aq b Xe g 3F 2 g XeF 6 s c NH 4 NO 3
Here is a list of worksheets This site also has articles explaining these topics in detail Label Parts of the Atom Google Apps worksheet worksheet PDF worksheet PNG answers PNG Acid formulas PDF Answers Balancing equations Worksheet 1 PDF Answers Worksheet 2 PDF Answers Worksheet 3 PDF Answers 6 8 During a chemical reaction energy is either released or absorbed true or false Physical and chemical changes can be either exothermic or endothermic changes true true or false In exothermic reactions the energy required to break the bonds in the reactants is greater than the energy released as the products form false
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Chapter 7 Chemical Reactions Worksheet Answer Key - 1 The protons in the nucleus do not change during normal chemical reactions Only the outer electrons move Positive charges form when electrons are lost 3 P I Cl and O would form anions because they are nonmetals Mg In Cs Pb and Co would form cations because they are metals 5 a P 3 b Mg 2 c Al 3 d O 2 e Cl