Chemistry Homework Help

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Wavelength and Frequency

Q. Gamma ray radiation has frequencies from 3.0x10^19 to 3.0x10^24 Hz, whereas the frequency region for X-ray radiation is 3.0x10^16 to 3.0x10^16 Hz. We can say that: 1. The speed of gamma ray radiation is _____ X-ray radiation. 2. The wavelength of gamma ray radiation is _____ X-ray radiation.

Solved • Jan 27, 2020

Wavelength and Frequency

Q. A local AM radio station broadcasts at a frequency of 719 kHz. Calculate the wavelength at which it is broadcasting.

Solved • Jan 27, 2020

Wavelength and Frequency

Q. The wavelength of a particular color of blue light is 443 nm. The frequency of this color is ____ sec^-1.

Solved • Jan 27, 2020

Wavelength and Frequency

Q. The two highest-energy types of electromagnetic radiation are X-rays and gamma rays. Which is more energetic? radio waves: move molecules (translation) microwaves: rotate molecules infrared: vibrate molecules visible: increase electron energy ultraviolet: break chemical bonds a) x-rays b) gamma rays

Solved • Jan 27, 2020

Wavelength and Frequency

Q. The next two least energetic effects are 1. moving (temporarily) an electron to a higher energy, after which it falls back to its original energy, and 2. breaking a chemical bond between two atoms. Which of these requires ultraviolet (UV) radiation, which is more energetic than visible light? radio waves: move molecules (translation) microwaves: rotate molecules infrared: vibrate molecules

Solved • Jan 27, 2020

Wavelength and Frequency

Q. Infrared radiation is the next least energetic radiation. Which does it have? radio waves: move molecules (translation) microwave: rotate molecules

Solved • Jan 27, 2020

Wavelength and Frequency

Q. The next least energetic radiation is microwave radiation. Which of the following do you think requires the least amount of energy? radio waves: mobe molecules (translation)

Solved • Jan 27, 2020