Look at the picture below. What kind of reaction is being used to extract copper from its salt solution using the iron nail?

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

What are four significant sources of ghgs that come from wostem washington?

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.