Ch.7 - Quantum MechanicsWorksheetSee all chapters
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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: The de Broglie equation predicts that the wavelength (in m) of a proton (1.67 x 10-27 kg) moving at 1000 m/s is 1) 3.96 • 10-102) 2.52 • 1093) 3.96 • 10-74) > 10105) 2.52 • 106 m

Problem

The de Broglie equation predicts that the wavelength (in m) of a proton (1.67 x 10-27 kg) moving at 1000 m/s is 

1) 3.96 • 10-10

2) 2.52 • 109

3) 3.96 • 10-7

4) > 1010

5) 2.52 • 106 m

Solution

de Broglie wavelength is calculated using the formula:

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