Ch.7 - Quantum MechanicsSee 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: An electron has an uncertainty in its position of 190 pm. What is its uncertainty in its velocity? 272 x 103 m/s   1.12 x 105 m/s   521 x 105 m/s   4.21 x 102 m/s   305 x 103 m/s

Problem

An electron has an uncertainty in its position of 190 pm. What is its uncertainty in its velocity?

  1. 272 x 103 m/s
     
  2. 1.12 x 105 m/s
     
  3. 521 x 105 m/s
     
  4. 4.21 x 102 m/s
     
  5. 305 x 103 m/s