Ch.3 - Chemical ReactionsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Part AGaseous acetylene (C2H2) reacts with oxygen gas to form gaseous carbon dioxide and gaseous water. Express your answer as a chemical equation. Identify all of the phases in your answer. Part BChl

Solution: Part AGaseous acetylene (C2H2) reacts with oxygen gas to form gaseous carbon dioxide and gaseous water. Express your answer as a chemical equation. Identify all of the phases in your answer. Part BChl

Problem

Part A

Gaseous acetylene (C2H2) reacts with oxygen gas to form gaseous carbon dioxide and gaseous water. Express your answer as a chemical equation. Identify all of the phases in your answer. 


Part B

Chlorine gas reacts with aqueous potassium iodide to form solid iodine and aqueous potassium chloride. Express your answer as a chemical equation. Identity all of the phases in your answer. 

 

Part C

Solid lithium oxide reacts with liquid water to form aqueous lithium hydroxide. Express your answer as a chemical equation. Identify all of the phases in your answer. 





Solution

For the phases of each compound, we have to put the appropriate symbol below as a subscript of the formula of the compound:

solid - (s)
liquid - (l)
gas - (g)
aqueous - (aq)

PART A

First, we take note of the list below for compounds that should be diatomic. 

H N F O I Cl Br

Oxygen (O) belongs to this list so we know its diatomic. 

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