7/28/2019 Making a Saline Water Solution by Dissolving Table
Salt
2/2
Making asaline watersolution by dissolvingtable salt(NaCl)
inwater. The salt is the solute and the water the solvent.
Solution
Inchemistry, a solution is ahomogeneousmixturecomposed of only
onephase. In such a mixture, a solute is asubstancedissolvedin
another substance, known as asolvent. Thesolventdoes the
dissolving. The solution
more or less takes on the characteristics of the solvent
including its phase, and the solvent is commonly the
major fraction of the mixture. Theconcentrationof a solute in a
solution is a measure of how much of thatsolute is dissolved in the
solvent.
Wave
a wave is a disturbance or oscillation that travels
throughspacetime, accompanied by a transfer ofenergy.
Wave motion transfersenergyfrom one point to another, often with
no permanent displacement of the particles
of the mediumthat is, with little or no associated mass
transport. They consist, instead, ofoscillationsor
vibrations around almost fixed locations. Waves are described by
a wave equation which sets out how thedisturbance proceeds over
time. The mathematical form of this equation varies depending on
the type of wave.
There are two main types of waves.Mechanical wavespropagate
through a medium, and the substance of thismedium is deformed. The
deformation reverses itself owing torestoring forcesresulting from
its deformation.
For example, sound waves propagate via air molecules colliding
with their neighbors. When air molecules
collide, they also bounce away from each other (a restoring
force). This keeps the molecules from continuing totravel in the
direction of the wave.
The second main type of wave,electromagnetic waves, do not
require a medium. Instead, they consist ofperiodic oscillations of
electrical and magnetic fields generated by charged particles, and
can therefore travel
through avacuum. These types of waves vary in wavelength, and
includeradio waves,microwaves,infrared
radiation,visible light,ultraviolet radiation,X-rays, andgamma
rays.
Further, the behavior of particles inquantum mechanicsis
described by waves and researchers believe that
gravitational wavesalso travel through space, although
gravitational waves have never been directly detected.
A wave can betransverseorlongitudinaldepending on the direction
of its oscillation. Transverse waves occur
when a disturbance creates oscillations perpendicular (at right
angles) to the propagation (the direction ofenergy transfer).
Longitudinal waves occur when the oscillations areparallelto the
direction of propagation.
While mechanical waves can be both transverse and longitudinal,
all electromagnetic waves are transverse.
AmyBrimbuela. G-7 STAR GARNET
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