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: How many grams of nitrogen gas are formed when 58.6 g of KNO  3 decomposes according to the following reaction? (Molar masses: KNO3 = 101.11 g/mol, N2 = 28.02 g/mol) 4 KNO3(s)  →  2 K2O(s) + 2 N2(g) 

Problem

How many grams of nitrogen gas are formed when 58.6 g of KNO  3 decomposes according to the following reaction? (Molar masses: KNO3 = 101.11 g/mol, N2 = 28.02 g/mol)

4 KNO3(s)  →  2 K2O(s) + 2 N2(g)  + 5 O 2(g)

A. 8.12 g

B. 16.3 g

C. 20.3 g

D. 48.5 g

E. 518. g