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To identify single and double replacement reactions. 2. To determine when a given reaction will go to completion. 3. To write and balance chemical equations. MATERIAL mossy zinc 1 M BaCl2 1 M CuSO4 1 M AgNO3 1 M HCl 1 M K2CrO4 magnesium pieces 1 M Pb(NO3)2 1 M H2SO4 solid NaHCO3 6 M H2SO4 well plate Procedure 1. ZINC AND COPPER (II) SULFATE. Place one piece of mossy zinc in a well plate. Just cover it with copper sulfate solution. Wait several minutes. Observe the reaction carefully and record all of your observations. a. Complete and balance an equation for the reaction. b. Complete the word equation for this reaction: ZINC + COPPER (II) SULFATE -> c. Answer the following: 1. Why did the copper sulfate solution get lighter? 2. What are the dark spots on the zinc? 2. ZINC AND HYDROCHLORIC ACID. Place a small piece of mossy zinc in a well place. Add 3 - 5 drops of HCl. Record your observations. a. Write and balance the equations for this reaction. b. Complete the word equation: ZINC + HYDROCHLORIC ACID -> c. Why does this reaction happen? 3. MAGNESIUM AND SULFURIC ACID. Place one small piece of magnesium in a well plate. Place 3 - 5 drops of 6 M ulfuric acid on it. Record your observations. a. Complete and balance the equation for this reaction. b. Complete the word equation: MAGNESIUM + SULFURIC ACID -> c. Why is this called a single replacement reaction? d. Why does this reaction happen? 4. BARIUM CHLORIDE AND SULFURIC ACID. Add 10 drops of 1 M sulfuric acid (H2SO4) to a well. To this add 10 drops of barium chloride, BaCl2. Mix thoroughly with a small stirring rod. Record your observations. a. Write and balance an equation for this reaction. b. Complete the word equation: BARIUM CHLORIDE+SULFURIC ACID c. What is the chemical name, chemical formula and color of the precipitate (the solid that forms). d. How did you determine that this was the solid? 5. SILVER NITRATE AND HYDROCHLORIC ACID. (CAUTION: silver nitrate can turn your skin black when exposed to sunlight). Put 10 drops of silver nitrate (AgNO3) in a well plate. Add 10 drops of hydrochloric acid to the well.Stir. Record your observations. a. Write and balance a equation for this reaction. b. Complete the word equation: SILVER NITRATE+HYDROCHLORIC ACID -> c. Which product is the precipitate? Give its name, chemical formula and color. d. Why do you not see the other product of this reaction? (HINT: check the solubility rules on your valence sheet.) 6. POTASSIUM CHROMATE AND LEAD NITRATE. Place 10 drops of potassium chromate and 10 drops of lead nitrate in a well. Stir. Record your observations. a. Write and balance an equation for this reaction. b. Complete the word equation: POTASSIUM CHROMATE + LEAD NITRATE -> c. What is the name, formula and color of the precipitate? 7. SODIUM BICARBONATE AND HYDROCHLORIC ACID. Place a microspatula full of sodium hydrogen carbonate in a well. Add 5 drops of hydrochloric acid. Record your observations. a. Write and balance an equation for this reaction. b. Complete the word equation: SODIUM BICARBONATE + HYDROCHLORIC ACID -> c. How did you determine that a reaction took place? DATA REACTIONOBSERVATIONS 1. ZINC AND COPPER(II)SULFATE 2. ZINC AND HYDROCHLORIC ACID 3. MAGNESIUM AND SULFURIC ACID 4. BARIUM CHLORIDE AND SULFUIC ACID 5. SILVER NITRATE AND HYDROCHLORIC ACID 6. POTASSIUM CHROMATE AND LEAD NITRATE 7. SODIUM BICARBONATE AND HYDROCHLORIC ACID  QUESTIONS: 1. Give three reasoons why double reactions go to completion (occur). 2. Give a reason for a single replacement reaction going to completion. 3. Tell why you would NOT expect a visible reaction to occur between potassium nitrate and sodium sulfate. Write a conclusion. Analysis 2. Questions about what happened REACTIONS Name: _______________________ Partner #1: _______________________ Partner #2: _______________________ Acton-Boxborough Regional High School Due Date: ______________________ Acton-Boxborough Regional High School Ž™ І Ї ЈаЉа|HHк(џсџсљEG(ќHHк(d'pŽžІ Ї ЈаЉа|HHк(џсџсљEG(ќHHк(d'pŽ™ І Ї ЈаЉа|HHк(џсџсљEG(ќHHк(d'p00&tњa0`0(00&ќљйи00&ќљЁйи00&ќљйи00&ќљŒйи00&ќљŽйиаЯрЁБс;џў џџџўџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџSummaryInformation(џџџџџџџџџџџџгџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџ@Microsoft Word 6.0.17;џў џџџўџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџ,-./0>#$-.9:JKNOklmntuwx†‡Ž”ЂЃ­АЭ КЦт: [ ‚ ƒ … † Р С  C c i ‘ И Й h ‹ Ис!%&,Ehit“”НОЧ1V{ ЄЅrњєьъьъчъчъчъчъчъчъчъчъчъчъчъчъьъуъуъуъуъчъчъчъуръръчъуъуъьъръьъуъьължждuU]cU]cU]U]^]h]uD]a UZ]c( UZ]c(Q-/=>[\–е %;PoˆŸ ЁЂ­ЎˆРѓ6t$^~ УbœМн 7 ? ў$Ьў$мќ$,ќ$,ў$мў$мў$мў$мў$мў$мў$мў$мў$мў$мў$мў$мў$мў$мў$мў$мў$мќїђџр`ђрмђрмђрмђрмђрмђрмђџрЈђрмђрмђрмђрмђђрмђрмђрмђрмђрмђџрtђрмђўh˜ў+? _  й ш   Q q ˜ ь e § 3SzЕc™Йч !"#$%+,-6CDEcdefћрмћрмћрмћрмћрмћџрPћрмћрмћрмћрмћрмћџр˜ћрмћрмћрмћрмћџрtћрмћрмћрмћрмћрмћіє$,є$,є$,ђ$мђ$мя$мыммыммыммкммзммзммзммзммИlЛ О”џHќ$ђўђў&fg†‡ˆ‰ŠЊЋЌ­Ўгдежз,-./0`abcdefghtКnopяммьммьммьммьммяммьммьммьммьммяммьммьммьммьммяммьммьммьммьммяммьммьммьммьммяммьммьммьммяммьммьммяммъ$мъ$мш$,ъ$мъ$мъ$№ъ$мъ$мИlЛ О”џHќ$)p„…†‡ˆ‰Š‹ŒŽ‘’“Оц 01xyz{ЂЃЄЅў$мў$мў$мў$мў$мў$мў$мў$мў$мў$мў$мў$мў$мў$мў$мў$мќ$,їшллўаўЮ$мўа$№ўўї 0§ рР!lЦ Іџh рР!sžІџ0§h рР!sžh˜ўK@ёџNormal]a "A@ђџЁ"Default Paragraph Font @ђ Header рР! @ Footer рР!*ўO"* Chem HeaderLџ UZ]cЎ" ЅЅЗ3HФжџџџџџџЎ7§  " ‰Ѕ6sЛНхшr ? fpЅ -/Ђ% h“ЅR‚ВтBEscience:Science F:Teacher Folders:Murphree:DOUBLE REPLACEMENT RXNSџ@€333/‰эVMTimes New Roman Symbol MArial MTimesMNew Century Schlbk"1ˆаhfт9FPТ;fƒ!~KScience F:Applications:Microsoft Office:Microsoft Word 6:Templates:chem labLAB: TITLE OF LABsciencescienceаЯрЁБс;џў џџџўџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџ