Chemistry, 17.12.2020 14:00 jerry22591
Justin is making a snack. He toasts a piece of bread and first peanut butter and jelly on it. Then he cut an apple into several slices and adds these to his plate. Next Justin mixes a scoop of lemonade powder into a glass of water mixes it in Dad's ice. How many chemical changes occurred in this scenario? 1 2 three or four
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How can the periodic table be used to predict the behavior of elements?
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4al + 3o2 → 2al2o3 what does the "3" in front of o2 stand for? a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. c) it indicates that there are 3 oxygen molecules chemically bonded to each other in the reaction. d) it indicates that there are 3 separate oxygen molecules in the reaction.
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Justin is making a snack. He toasts a piece of bread and first peanut butter and jelly on it. Then h...
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