Balance the given half-reactions for atoms and charge.
MnO4– + H2O MnO2 + OH– Cl– Cl2

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.