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Chemistry 201 – Boiling Points

Question: Why does CH3C(O)CH2CH3 have a higher boiling point than CH3OCH2CH2CH3? They both have D-D bonds and I thought since the ether is more linear it would have a higher boiling point. Answer: Ketones have a MUCH higher dipole than ethers. Depending on the class, ethers are often considered to have NO dipole. Mind you,… read more »

Chemistry 20 – Solutions

What is a solution? A solution is a mixture of a minor component (solute), evenly distributed (homogeneous) in a major component (solvent). An example would be salt (NaCl) in water (H2O). The H2O is in a HUGE excess and is called the solvent and the NaCl is present in a minor amount and is termed… read more »

Naming Ionic Compounds

I recommend doing any problems with a periodic table in hand – get one at http://learnfaster.ca/blog/formula-sheets/ Ionic Bonding Before we begin – lets review a little – an ionic compound is one where the elements bonded have very different abilities to hold on to electrons. That strength to hold electrons can be called electron affinity or written… read more »

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