Lab #5 centime Sandwiches Exploration Step 1 using the file or crude sandpaper, pick up(a)ly remove the bulls eye coating from the edge of both(prenominal) pennies. germinate the scum bag juice into star container. Position one cent in the container so that it is rest on its edge against the align of the container. Pour the vinegar into the consequence container and similarly position the split second penny. let out the pennies for 4 or 5 minutes. (a) What do you weigh? (b) What is occurring? [Note: Dont necessarily envision for a big change wholly of sudden scarce preferably a subtle dish up at first] (c) What is the individuation of the ascertained substance? a) I strike bubbles in both containers. b) A chemical member which causes the bubbles. c) henry gas. Â Step 2 (a) Observe the pennies over the course of 1 week and make any difference(s) in their behavior. (b) What accounts for the difference(s)? (c) What specific process is occurring in individually container? (d) How do you know when the processes argon complete? (e) Use your observations to locate the trio elements hydrogen, strapper, and atomic number 30 from most to least antiphonal.
a) Bubbles stop in the scum bag juice first save are slake forming in the vinegar. I notice the zinc interior is dissolving and the dogshit coating is left. b) There is more(prenominal) acid in the lemon juice than in the vinegar. c) The response of zinc with an acid. d) The reactions are complete when the bubbles stop forming. e) Zinc, Hydrogen, Copper  Challenge What is the chemistry-based reason for this erratic construction of a penny? Zinc is too reactive to for the coin to be only made out of zinc. The copper is not as reactive and is a protective coating.If you destiny to get a respectable essay, order it on our website:
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