Today we're (micro)-machining glass with a fiber laser. Using a copper sulfate solution, we can etch glass with a pulsed ...

Q: My wife and I have an outdoor patio built with colored, precast-concrete paving blocks. It doesn't take long each year for black mold and mildew to start growing on it. We also have an issue with ...

There are a number of ways that you could produce salts in Chemistry. This is an outline of the required steps to undertake one of these methods. It is important in this practical activity to safely ...

Copper ions in solution moving between two electrodes in a magnetic field produce a swirling motion that can easily be displayed on an overhead projector. Place some pepper on the surface of the ...

Place two bar magnets (available from Radio Shack) in a petri dish with the same poles facing up. Prepare a second petri dish by adding a shallow layer of 1M copper sulfate solution. Place a short ...

Copper-containing rock hosts only a small percentage of copper. Most of the rock is unwanted material, typically referred to as gangue. Depending on to what minerals the copper is bound, the rock is ...

Speaker one In this practical we will be making a soluble salt called copper sulfate which is used to treat fungal diseases, such as foot rot in cattle. Speaker two Yep, something I struggle with ...