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Your Name:Team #Section:Partner’s Name:EVorPVTeam #Table:Partner’s Name:EVorPV Team #.CHM 113 -Recitation Activity #4 (10 pts)Exploring Compounds and Chemical Equations with Legos®—————————Graded:PVEV_____/2 #_____/1 #_____/2 #_____/1 One PV or EV per student._____/1 Format: 0.5(PV/EV), 0.5(Bb upload)_____/3 ParticipationGrade:—-

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Your Name:Team #Section:Partner’s Name:EVorPVTeam #Table:Partner’s Name:EVorPV Team #.CHM 113 –Recitation Activity #4 (10 pts)Exploring Compounds and Chemical Equations with Legos®–––––––––––––––––––––––––––Graded:PVEV_____/2 #_____/1 #_____/2 #_____/1 One PV or EV per student._____/1 Format: 0.5(PV/EV), 0.5(Bb upload)_____/3 ParticipationGrade:–––––––––––––––––––––––––––In this activity, you will use Legos® to represent the atomic arrangement in both ionic andcovalent compounds and their rearrangement during a chemical reaction.Special Instructions:Your instructor will assign you a kit containing a set of Legos® of a variety of sizes and colors.Whenyou are asked to use them to build the following compounds, first assign each atom a specific size, shape,and/or color to use for the duration of the question or section. You will be asked to draw the models youmake.In order to receive full credit, you must label each piece as the atom or ion it represents,including charge.Ex 1:Na+ion:Ex 2: OH-ion:orImportant Reaction (Rxn) Definitions:I. Decomposition Rxn:one compound reactant breaks down (decomposes) into two or more simplersubstancesII. Combination (aka Synthesis) Rxn:two or more substances combine to react to form one compound(opposite of decomposition)III. Single Replacement (aka Single Exchange or Metathesis) Rxn:one element replaces anotherelement in a compoundIV. Double Replacement (aka Double Exchange or Metathesis) Rxn:parts of two reacting speciesswap places to form two new compoundsPrecipitation Rxn:a special type of replacement reaction in whichtwo compounds in aqueoussolution react to form an insoluble (solid) productAcid/Base Neutralization Rxn:a special type of replacement reaction in which an acid and a base insolution produce salt and water as the productsAcid:substances capable of donating H+ions when dissolved in waterBase:substances capable of accepting H+or producing OH-ions when dissolved in waterSalt:ionic compounds formed by replacing H+in an acid by a metal cationV. Combustion Rxn:reaction that proceeds with the evolution of heat and a flame or glow (most involveburning a substance in the presence of oxygen)Common hydrocarbon combustion reactions involve reaction with oxygen to produce CO2and H

 
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