Ch.7 - Quantum MechanicsWorksheetSee 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: R = 2.18x10-18 J;  h = 6.626x10-34 J•sec or 6.626x10-34 kg•m2 sec-1;  c = 3.00 x 10 8 m•sec-1; 1eV= 1.602x10-19 J a.) What is the energy of a photon with a wavelength of 335 nm?    b.) If a metal that has a work function of 2.80 eV, what wavelength of light is required to generate electrons with a kinetic energy of 1.02 eV?      c.) If a reaction is exothermic, does it mean that ΔE for the reaction is negative? Explain.   

Solution: R = 2.18x10-18 J;  h = 6.626x10-34 J•sec or 6.626x10-34 kg•m2 sec-1;  c = 3.00 x 10 8 m•sec-1; 1eV= 1.602x10-19 J a.) What is the energy of a photon with a wavelength of 335 nm?    b.) If a metal that

Problem

R = 2.18x10-18 J;  h = 6.626x10-34 J•sec or 6.626x10-34 kg•m2 sec-1;  

c = 3.00 x 10 8 m•sec-1; 1eV= 1.602x10-19 J

 

a.) What is the energy of a photon with a wavelength of 335 nm?

 

 

 

 

b.) If a metal that has a work function of 2.80 eV, what wavelength of light is required to generate electrons with a kinetic energy of 1.02 eV?

 

 

 

 

 

 

c.) If a reaction is exothermic, does it mean that ΔE for the reaction is negative? Explain.