States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
![as) of the dispersing medium and
sified according to the state (solid, liquid
are
ispersion
Ehe dispersing medium. Colloids:
1. Differentiate between homogen-
dispersed phase is suspended is known
persed particles in a colloid form the
persed phase, and the component in which
dium. The solute-like component or the
a in Table 2.1. From this table you can
e dispersed
are
the
are
ersed phase. A few common examples
hat they are very common everydav ke
uestions
eous and heterogeneous mixtures
with examples.
2. How are sol, solution and
suspension different from each
other?
3. To make a saturated solution,
36 gof sodium chloride is dissolved
in 100 g of water at 293 K.
Find its concentration at this
temperature.
Еxample
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