Examlex
Draw a mechanism for the formation of the product resulting from 1,2 addition of HBr to the
molecule shown here.Include all lone pairs of electrons, curved arrows, and formal charges.
Sound Wave
Mechanical displacement of molecules caused by changing pressure that possesses the physical properties of frequency, amplitude, and complexity. Also referred to as a compression wave.
Hearing Damage
Impairment or loss of auditory function, potentially resulting from exposure to loud noise, disease, or aging.
dB
Decibel; a unit of measurement used to express the intensity of sound or the power level of an electrical signal by comparing it with a given level on a logarithmic scale.
Compression Of Air
The process of reducing the volume and increasing the pressure of air by mechanical means.
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