12. Consider the four molecules shown below: (a) Under each molecule, indicate which intermolecular forces are present [London (or Van der Waals), Dipole-dipole, and/or Hydrogen-bonding]. All have approximately the same molecular weight. A Høragen * van der Waals B. OH London Dipol-dipole X (b) Rank in order of increasing boiling point. <
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.
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12. Consider the four molecules shown below:
(a) Under each molecule, indicate which intermolecular forces are present [London (or Van der
Waals), Dipole-dipole, and/or Hydrogen-bonding]. All have approximately the same molecular
weight.
+
A
thetragen *
Lander Waals
OH
B₁
Hydrogen
London
Dipole-Jipple
X
(b) Rank in order of increasing boiling point.
<<__A <D <B²
Lowest bp
highest bp
C
london
Hyfreger x
D
CI
london
Diploe-Diploe
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