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Dipole Moments<br />
• In thinking about dipole moments, we have to consider the three-dimensional structure of the<br />
molecule.<br />
• Dipoles can cancel each other out, if the same type of bonds are oriented in opposite<br />
directions.<br />
Example<br />
• Example: Which of these molecules have dipole moments Which, if any, have polar bonds<br />
but no dipole moment<br />
CCl 4 NH 3 H 2 O CO 2
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