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LAB #13

LAB #13. FLUIDS. Lab 13: Fluids: Buoyancy Potpourri. GOAL(S): PART 1: TO DETERMINE THE S.G. OF 2 DIFFERENT METALS BY APPLYING PRINCIPLES OF BUOYANCY. Buoyancy Lab: Density of Metal. BACKGROUND/SKETCH:. STEP 1. STEP 2. T. Fb. T. W metal. W metal. Specific Gravities of Metals.

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LAB #13

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  1. LAB #13 FLUIDS

  2. Lab 13: Fluids:Buoyancy Potpourri • GOAL(S): PART 1: • TO DETERMINE THE S.G. OF 2 DIFFERENT METALS BY APPLYING PRINCIPLES OF BUOYANCY

  3. Buoyancy Lab: Density of Metal

  4. BACKGROUND/SKETCH: STEP 1 STEP 2 T Fb T Wmetal W metal

  5. Specific Gravities of Metals

  6. VH2O = Vmetal W = mg Fbuoy= rgV rmetalgV W = SG rH2OgV = Fb

  7. Lab 13: Fluids:Buoyancy Potpourri • GOAL(S): PART 2: • DETERMINE THE MASS OF A BLOCK OF WOOD

  8. Buoyancy Lab: Whatever floats your boat

  9. Part 2: Float Your Boat WATER LINE: (BLOCK PARTIALLY SUBMERGED) Fb Fb = mg H mg h W L Fb = Weight of water displaced VOLUME OF H2O DISPLACED = VOLUME OF BLOCK SUBMERGED

  10. Lab 13:Fluids:Buoyancy Potpourri • GOAL(S): PART 3: • TO DETERMINE THE DENSITY OF He GAS

  11. WHe Wm Part 3: r of He Fb W balloon Fbuoy = Wm + WHe + Wballoon m WHe = Fbuoy - Wm - Wballoon Fbuoy = rair gV WHe = rHe gV

  12. Buoyancy Lab: r of He

  13. Given Values (r He ACCEPTED = .18 kg/m^3) (r air ACCEPTED = 1.29 kg/m^3) V balloon = 12.6 LITERS 1 MOLE OF GAS @ S.T.P. = 22.4 LITERS MASS OF BALLOON = 9.215 g

  14. WRITE-UP • SKETCH OF APPARATUS • DRAW & LABEL ALL VECTORS • DATA TABLES • SHOW ALL CALCULATIONS • RESULTS • % ERROR • CONCLUSION

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