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STEP 5: CONSERVATION OF MASSReview- How many molecules and elements do I have?Formulas How many molecules(units) are there?Elements/# of atoms per element1. ) Fe 2 (SO 4 ) 32.) 3 CH 43.) 3 H 2 (SO 4 )Discover Activity with the coins1.) Sort stacks into pennies, nickels, dimes and quarters. Fill out the table below.coins Pennies Nickels Dimes Quarters TOTAL $amount2.) Now mix them together and make 3 random stacks of these coins. Fill out the table below.coins Pennies Nickels Dimes Quarters TOTAL $amount3.) Mix the coins together again and now stack them into 4 random stacks.coins Pennies Nickels Dimes Quarters TOTAL $amountDescribed what happened in this activity. Did the number of pennies, nickels, dimes and quarters change? Did the totalamount of money change? Why or why not?Conservation of MassWhat did you noticehappening in this picture andwith this chemical reaction?The principle of conservation of mass states that in a chemical reaction….18
Balancing Chemical EquationsBecause of the principle of conservation of mass, there must be …..**THEREFORE, a chemical equation MUST be….STEPS TO BALANCING CHEMICAL EQUATIONS…1.) Write the equation2.) Count the atoms3.) Use the coefficients (numbers in front) to balance the atoms4.) Look back and checkPractice1.)19
Page 3 and 4: Chemical Changes on a Molecular Lev
Page 7 and 8: Mostly Cloudy Mini-Lab1.) Put on go
Page 9 and 10: STEP 3: EVIDENCE FOR CHEMICAL REACT
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: 4.) Fill out the following table ba
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

1 Name: Date: Period: Project Description: In this project, you will be ...

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