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Chemical Equations Test Review
Diatomic Molecules 1. List the seven diatomic molecules.
Labeling of equation Fe(s) + CuSO 4 (aq) → Fe 2 (So 4 ) 3 (aq) + Cu(s) reactants yields products 2. Label the parts.
(a) What is meant by the symbol in parentheses following a chemical formula? State of matter (i) (s) Solid (ii) ( l ) Liquid (iii) (g) Gas (iv) (aq) aqueous – dissolved in water
3. Classify the reaction (a) 2NaCl (aq) + Pb(NO 3 ) 2 (aq) → PBCL 2 (s) + 2Na(NO 3 )(aq) (b) H 2 (g) + Cl 2 (g) → 2HCl(g) (c) C 2 H 8 (g) + 4O 2 (g) →2CO 2 (g) + 4H 2 O(g) (d) 2Li(s) + 2H2O ( l ) → 2LiOH(aq) + H2(g) (e) 2KNO 3 (s) → 2KNO 2 (s) + O 2 (g) Double Replacement Synthesis Combustion Single Replacement Decomposition
4. Add coefficients to balance the equations (a) ____ Hf + ____N 2 → ____Hf 3 N 4 (b) ____Mg + ____H 2 SO 4 → ____ MgSO 4 + ____H 2 (c) ____ C 2 H 6 + ____ O 2 → ____ CO 2 + ____ H 2 O (d) ____ Pb(NO 3 ) 2 + ____NaI → ____PbI 2 + ____NaNO 3 (e) ____ Pb(NO 3 ) 2 → ____PbO + ____NO 2 + ____O
Write balanced chemical equations for each word equations (a) potassium chloride + silver nitrate → potassium nitrate+ silver chloride KCl + AgNO 3 → KNO 3 + AgCl
Write balanced chemical equations for each word equations (b) aluminum hydroxide + sodium nitrate → aluminum nitrate + sodium hydroxide Al(OH) 3 + NaNO 3 → Al(NO 3 ) 3 + NaOH
Write balanced chemical equations for each word equations (c) iron metal + copper (II) sulfate → iron (II) sulfate + copper metal Fe + CuSO 4 → FeSO 4 + Cu
Write balanced chemical equations for each word equations (d) Aluminum metal + copper (II) chloride → aluminum chloride + copper metal Al+ CuCl 2 → AlCl 3 + Cu
Write balanced chemical equations for each word equations (e) Sodium chlorate → sodium chloride + oxygen gas NaClO 3 → NaCl + O 2
Write balanced chemical equations for each word equations (f) calcium carbonate → calcium oxide + carbon dioxide gas Ca(CO 3 )→ CaO + CO 2
Write balanced chemical equations for each word equations (g) zinc metal + oxygen gas → zinc oxide Zn + O 2 → ZnO
(h) Chlorine gas + sodium metal → sodium chloride Write balanced chemical equations for each word equations Cl 2 + Na → NaCl
(i) aluminum sulfate + barium chloride → aluminum chloride + barium sulfate Write balanced chemical equations for each word equations Al 2 (SO 4 ) 3 + BaCl 2 → AlCl 3 + BaSO 4
(j) beryllium fluoride + magnesium → magnesium fluoride + beryllium Write balanced chemical equations for each word equations BeF 2 + Mg → MgF 2 + Be
Unit 7 Chemical Reactions Types of Reactions. Type of Reactions Chemical reactions are classified into five general types.
Identify reaction type Agenda review balancing Check equations I Write explaining how to balance. Class notes: ID reaction types Demos Homework:
Starter 11/29 Write the balanced formula equation for: Lithium metal is added to a solution of aluminum sulfate to make aqueous lithium sulfate and aluminum.
Chemical Reactions. Evidence of a chemical reaction (Unexpected) color change Formation of a precipitate Formation of a gas Evolution of heat energy Evolution.
Chemistry Jeopardy SD/DRWrite the Formula Chemical Equation NamePredict Products Misc
Chemical Reactions. Types of Reactions There are five types of chemical reactions we will talk about: You need to be able to identify the.
1. Write a sentence that describes this chemical reaction. Na (s) + H 2 O (l) NaOH (aq) + H 2(g) Sodium metal and water react to form sodium hydroxide.
Chemical Reactions reactants products Balancing chemical equations Types of chemical reactions.
1.What is the difference between a chemical and physical change? 2.Give an example of a chemical change and a physical change. 3.How can you tell a.
Chapter 11 – Chemical Reactions There are many types of chemical reactions. We will study 5 of these. By being able to identify the type of chemical reaction.
Review of Ch 9 & 11 Writing and Balancing Equations.
Unit 7 Chemical Reactions Types of Reactions. Type of Reactions Chemical reactions are classified into five general types Synthesis (also called combination.
Review Set #1 1.Sodium + oxygen 2.Zinc (II) carbonate (metal oxide + carbon dioxide) 3.C 6 H 6 +O 2 4.Aluminum + lead (II) nitrate 5.Aqueous solutions.
Chemical Reactions. In chemical reactions, one or more substances change into different substances. example: combustion.
WRITING EQUATIONS REVIEW. In a combustion reaction, one of the reactants is always Oxygen Gas (O 2 )
Chemical Reactions Unit 11 (Chapter 11). Chemical Reactions A chemical reaction is a chemical change – Changes the way atoms are bonded to each other.
Unit 10: Chemical Equations. Chapter Objectives 1. To learn to write chemical equations 2. To correctly interpret chemical equations 3. To balance chemical.
1) C + H 2 → C 3 H 8 2) C 6 H 12 + O 2 → H 2 O + CO 2 3) NaI + Pb(SO 4 ) 2 → PbI 4 + Na 2 SO 4 4) HgI 2 + O 2 → HgO + I 2 5)List the 7 diatomic molecules.
Chemical Reactions CHM 1010 PGCC Barbara Gage
Chemical Reactions and Equations. Definition A chemical reaction is the process by which one or more substances change into one or more new substances.
Chemical Reactions. Types of Reactions There are five types of chemical reactions we will talk about: Synthesis reactions Decomposition reactions.
CH 8 Chemical Equations and Reactions Section 3 Classifying Chemical Reactions.
Chemical Reactions (aka Chemical Changes).
Chemical Reactions. Reactions involve chemical changes in matter resulting in new substances Reactions involve rearrangement and exchange of atoms to.
Types Of Chemical Reactions. Objective Distinguish between the 5 different types of reactions Predict the products of a reaction Predict the physical.
What is the difference between a chemical reaction and physical change? When you watch a reaction occur, what are some hints that it is a chemical.
Chemical Reactions. Types of Reactions There are five types of chemical reactions we will talk about: Synthesis reactions _____________ reactions.
Concept Review Chapter 9. potassium chloride + silver nitrate potassium nitrate + silver chloride Look up each part: potassium chloride silver nitrate.
Chemical Reactions Types of Reactions There are six types of chemical reactions that we learn about in Chemistry: Synthesis or composition reactions.
There are five types of chemical reactions you need to know: 1.Synthesis reactions 2.Decomposition reactions 3.Single displacement reactions 4.Double.
Chemical Reactions: Reactants change chemical and physical properties …. to become new substances made from the same elements; these are called products.
Unit 4: Chemical Reactions. Warm Up Use the following Activity series to predict the products and balancing the equations Least ReactiveMost Reactive.
REACTANTS: ZN + I 2 PRODUCT: ZN I 2. A process in which at least one new substance is produced as a result of chemical change.
Types of Chemical Reactions. Types of Reactions There are five types of chemical reactions we will talk about: Synthesis/Combination reactions 2.
Chemical Reactions. Types of Reactions 5 types of chemical reactions we will talk about: 1.Synthesis reactions 2.Decomposition reactions 3.Single Replacement.
Determine the type of reaction and predict the products: NaOH Li + Br 2 C 2 H 4 + O 2
Balanced Chemical Equations: Represent reactants, products, and their amounts Make use of chemical formulas i.e. H 2 O can not be altered as they represent.
Mass is never created or destroyed-ALL must be conserved and accounted for during a chemical reaction The same number of atoms of reactant elements.
Chemical Reactions Ch. 8. Describing Chemical Change 8-1.
Types of Reactions There are five types of chemical reactions we will talk about: 1. Synthesis reactions 2. _____________ reactions 3. Single displacement.
Chapter 11: Chemical Reacitons 11.1 Describing Chemical Reactions.
Chemical Reactions. In chemical reactions, one or more substances change into different substances. For example: combustion.
Chapter 9 Review. Hydrochloric acid and sodium hydroxide yields sodium chloride and water. HCl + NaOH ---> NaCl + H 2 0 Double Replacement Hydrochloric.
Chemistry Ch. 8 Test REVIEW SHEET. 1. In the reaction described by the word equation sodium + water → sodium hydroxide + hydrogen gas What are the reactants?
Chemical Reactions Chapter 11 Steps to Writing Reactions 1. Transcribe words into formulas 2. Predict the product(s) using the type of reaction as a.
Chemical Reactions. Describing Chemical Change Chemical reactions take place around you everyday Chemical reactions are expressed on paper as chemical.
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