Susana heats up a sample of red crystals. While the sample is being heated, a gas is released and a blue powder is left after heating. Is the sample of red crystals an element or compound?

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

Which of these conditions most likely produces an unstable isotope?