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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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