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Cracking of heptane please help! Show the chemical formula and the diagrams

Y=‐1x + 7 if y has a value of ‐24 what is the value of x?

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

How does a large body of water, such as the ocean, influence climate?