As you watch a campfire, you will sometimes see some of the flames are yellow while some are blue or orange. Why is this?

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols