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HomeworkStoichiometry Reflection #2Please type up your answers using size 12, Times New Roman, double-spaced font. You should be thorough andcomplete in answering all of these questions. Please email me your answers when you are done.1.) What experiments or reactions did you like doing today in class? Why?2.) What are some ways to tell if a chemical reaction or change has happened?3.) What lessons did you learn from the “Mostly Cloudly Mini-Lab?” Which chemicals had a reaction? Which chemicalsdid not? How do you know?4.) Look at the following pictures and explain how you know a chemical reaction occurred for each picture:Picture #1: Picture #2:
STEP 3: EVIDENCE FOR CHEMICAL REACTIONS (EXO & ENDOTHERMIC REACTIONS)Journal: We’ve already learned a couple of ways to identify whether a chemical reaction has occurred or not. What aresome signs that show us whether a chemical reaction has occurred or not?One more way to see whether a chemical reaction has occurred or not is from ________________________________***NOTE: every chemical reaction needs some energy to get started. We call this energy the ____________________.Picture APicture BThere are 2 types of reactions:Some reactions __________________________ while others ______________________________________________.1.2.9
Page 3 and 4: Chemical Changes on a Molecular Lev
Page 7: Mostly Cloudy Mini-Lab1.) Put on go
Page 11 and 12: *****AS PART OF YOUR HOMEWORK, PLEA
Page 13 and 14: 15.) The diagram below represents a
Page 15 and 16: Structure of an EquationAll chemica
Page 17 and 18: 4.) Fill out the following table ba
Page 19 and 20: Balancing Chemical EquationsBecause
Page 21 and 22: HomeworkFor each problem, balance t
Page 23 and 24: STEP 6: DIMENSIONAL ANALYSIS PART 1
Page 25 and 26: EX #4: How many seconds are in a ye
Page 27 and 28: 1.) How many nickels are in 10 dime
Page 29 and 30: STEP 7: DIMENSIONAL ANALYSIS PART 2
Page 31 and 32: STEP 8: MOLES & PARTICLESReview: Ba
Page 34 and 35: STEP 9: MOLES & GRAMSReview:1.) How
Page 36: HOMEWORKMolar MassDo the following
Page 39 and 40: 3.) At STP, what volume does 0.355
Page 41 and 42: Mole-Volume Conversions1. Determine
Page 43 and 44: 5. How many particles are there in
Page 45 and 46: Example #1: Now, try with a real ch
Page 47 and 48: STEP 13: STOICHIOMETRY PART 21.) Ba
Page 49 and 50: 7. The Haber reaction produces ammo
Page 51 and 52: Name: Date: Period:Stoichiometry is
Page 53 and 54: Using stoichiometry, how many moles
Page 55 and 56: 4. What was the mass of the empty 5
Page 57: Name: Date: Period:An essential par

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