purpose of the dialysis bag containing only water in a cup of water was to display an isotonic system. It was also to display osmosis in the water and it was used as a selectively permeable membrane to model the cell membrane. . This first system could be considered the control group out of the four other systems. The flow of water in and out of the cup was almost the same‚ this is because the percent change between the initial mass and final mass was 0.6%. This shows that the bag got heavier even though
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50-pound bags of grapes to the military for $10 a bag. The fixed costs of this operation are $80‚000‚ while the variable costs of the grapes are $.10 per pound. a. What is the break-even point in bags? 80‚000/5= 16‚000 bags- This is the company’s break-even point because the variable per unit would be $5.00 if it’s .10 per pound with a 50-lb bag. The other answer I received was 8‚080 bags but this would be inaccurate. b. Calculate the profit or loss on 12‚000 bags and on 25‚000 bags. At 12
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Baking soda Vinegar Zip lock bag String III. Procedures 1. First you bring the items you need; Baking soda‚ Vinegar‚ Zip lock bags‚ and String. 2. Then you get your items ready. 3. Then you insert some baking soda in a graduated beaker. 4. Then you insert 25mL of vinegar in the bag. 5. Then you insert 3 scoops of baking soda. 6. Then you mix them. 7. Then you observe. 8. Then write what you saw. 9. Then check the circumference of the bag if it didn’t pop. 10. Then start the
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plastic bags became popular because of its thinness and almost weightless. Plastic bags are made from polyethylene and they are used for many purposes such as medical application‚ daily groceries carrying. Within the banana supply chain‚ plastic bags are utilized since the very in many stages for example at the packaging station‚ the bananas will be packed into cardboard boxes with an inlay of a plastic bag or at the wholesalers‚ three to five bananas will be wrapped in one plastic bag and the customer
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Bayfield Mud Company DISCUSSION QUESTIONS 1. What is your analysis of the bag weight problem? The problem begin when Wet-Land Drilling‚ Inc. had filed a complaint that the bags it received from Bayfield were short-weight‚ according to previous send the weight of the bags used to be 50 pounds‚ however the new arrivals show a weight of 47.5 pounds per bag‚ causing a conflict to the company. The company present the problem as a increased of demand‚ hiring new employees with a lack of training
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gathered; approximately 2 inches in length‚ sewing thread were used for this experiment. Four water soaked pieces of dialysis tubing that were 15 cm long were also used. A small beaker for bag A was filled with a solution of 25% sucrose‚ was labeled to keep separate from the other beaker. A larger beaker was used for bags B‚ C‚ and D. It was filled with a 1% solution of sucrose‚ and was labeled for good practice. Each end of the tubes was sealed by folding and tying it tightly with one of the pieces
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Tube 1) Distilled water: This bag will lose water. b. Tube 2) .2M sucrose solution: This bag will lose water. c. Tube 3) .4M sucrose solution: This bag is isotonic to the beaker and will remain the same in mass. d. Tube 4) .6 M sucrose solution: This bag will gain water e. Tube 5) .8 M sucrose solution: This bag will gain water. f. Tube 6) 1.0 M sucrose solution: This bag will gain water. 10. A paramecium has a contractile vacuole to help
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to transposition errors when copying between sheets. “Each box ordered must contain 20 bags of coffee or less”‚ in cell F9 I have incorporated a flag to identify when the number of bags exceeds 20. “Each box ordered must weigh equal to or less than 150 ounces” ”‚ in cell I9 I have incorporated a flag to identify when the weight of the box exceeds 150 ounces. “Each box ordered must contain between 4 and 8 bags of each different bean type” in cells F3 to F5‚ I have added a data validation to meet
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Results: Bag 1 had a rate of osmosis equal to 0.01 grams per minute. Bag 2 had a rate of osmosis equal to 0.0543 grams per minute. Bag 3 had a rate of osmosis equal to 0.0471 grams per minute. Bag 4 had a rate of osmosis equal to 0.0886 grams per minute. Bag 5 had a rate of osmosis equal to -0.0914 grams per minute (Figure A). Figure A: Shifting of mass in grams for each dialysis bag was measured every 5 minutes for 30 minutes. Bag 1 contained DI H2O and was submerged in DI H2O. Bags 2‚ 3‚ and
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Then‚ take it out and tie off one end of the tubing to form a bag. Put an extra fold at the end‚ twist‚ and tie it with string. Rub the end of the other end between fingers until it opens. Put 15 mL of the 15% glucose/1% starch solution in the bag. Use the glucose tape and dip it in the solution. Then‚ record the color change on the tape and the bag. Tie the other end of the bag with enough space for expansion. Fill a 250-mL beaker with distilled water. Add 4 mL of Lugol’s
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