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: One type of electromagnetic radiation has a frequency of 107.1 MHz, another type has a wavelength of 2.12 x 10-10 m, and another type of electromagnetic radiation has photons with energy equal to 3.97 x 10-19 J/photon. Identify each type of electromagnetic radiation and place them in order of increasing photon energy and increasing frequency.

Solution: One type of electromagnetic radiation has a frequency of 107.1 MHz, another type has a wavelength of 2.12 x 10-10 m, and another type of electromagnetic radiation has photons with energy equal to 3.97

Problem

One type of electromagnetic radiation has a frequency of 107.1 MHz, another type has a wavelength of 2.12 x 10-10 m, and another type of electromagnetic radiation has photons with energy equal to 3.97 x 10-19 J/photon. 

Identify each type of electromagnetic radiation and place them in order of increasing photon energy and increasing frequency.

Solution

We are given different types of values for each of the electromagnetic waves but we are asked of place them in order of increasing photon energy and increasing frequency. So we can't really compare them directly so we have to solve for all frequencies and energy.

Also, the type of electromagnetic radiation is based on wavelength, so we have to calculate for that too.

To better organize our values well make use of a table shown below where we name the waves as A, B, and C in the order that they were introduced in the problem.

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