dialysis tubing that has been soaking in water. Tie off one end of the tubing to form a bag. To open the other end of the bag‚ rub the end between your fingers until the edges separate. 2. Place 15 mL of the 15% glucose/1% starch solution in the bag. Tie off the other end of the bag‚ leaving sufficient space for the expansion of the contents in the bag. Record the color of the solution and weight of the bag in a data table. 3. Test the 15% glucose/1% starch solution for the presence of glucose
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Change in Mass (g) of Osmosis Bags Over Time When Subjected to Various Conditions Bag 1 represents the control. The bag was filled with 5.5g of deionized water and then placed into 35 mL of deionized water resulting in relatively no change in mass due to equilibrium already being established. Bag 2 was filled with 5.6g of deionized water then placed into a 35 mL solution of sucrose with a concentration of 20% resulting in an average rate of change of .0493 g/min. Bag 3 was filled with 5.7g of deionized
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dialysis bag. All five solutions of starch‚ albumin‚ sodium sulfate‚ sodium chloride‚ and glucose were placed inside of a dialysis bag‚ which was then placed in a culture dish filled with distilled water. After waiting 60 minutes‚ for the solutions to escape the bag‚ the distilled water was tested for all five solutions through individual tests of iodine‚ Benedict’s Reagent‚ NaOh and CuSo4‚ and silver nitrate. Whichever tests responded positively was which solution left the dialysis bag. It was predicted
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Disadvantages of Plastics Disadvantages of Plastics are 1. FLAMMABLE – This is definitely an advantage in that they can be melted down‚ however soldering plastics can release toxic fumes into the environment. 2. COST OF RECYCLING – While recycling is a plus‚ recycling is a very costly endeavour. 3. VOLUME – In the United States 20% of our landfill is made up of plastics. As more products are being made of plastics‚ where will this lead us in the future? 4. DURABILITY – This is an advantage
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styrofoams Philippine Daily Inquirer 3:28 pm | Thursday‚ May 10th‚ 2012 DAVAO CITY – After banning smoking and spitting in public‚ the city government announced that starting June 28‚ it would be a crime here to use environmentally-destructive plastic bags and styrofoams in packaging‚ including for food products. Joseph Dominic Felizarta‚ chief of the City Environment and Natural Resources Office (Cenro)‚ said the city government will strictly implement the ban on non-biodegradable plastics and Polystyrene
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clothes to find a particular item can definitely be difficult to handle and problematic. So in such difficult situation THE RISE AND DUFFEL BAG offers an alternative solution. Imagine a duffel bag outfitted with accordion-style shelves inside‚ letting you neatly fold clothes instead of stuffing them haphazardly. How To Use This Product? 1. To use the bag‚ you start by hanging it open in a closet (or wherever) at home‚ packing your clothes onto its shelves‚ then pushing the shelves/clothes down
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the gym and on the opposite half there will be a pile of bean bags. When the music begins or when the start signal is said‚ students will perform 10 push-ups on the side with the bean bags. After the push-ups‚ each student will pick up one bean bag and perform any animal movement that they would like until they get to the throwing line. Students will use an underhand throw to toss the bean bag into the hula-hoop. After tossing the bean bag‚ they will perform their animal movement back to the start line
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many skittles are put in each bag‚ which percentage of each color do they put in each bag‚ and if they have an opinion about the abnormal skittles. This information will be my control group. After that‚ I will gather bags of original skittles in different size capacities. I will label each bag with a letter; I will also label bowls so I will not get which skittles came from which bags confused. Once I have this ready‚ I will open the skittles. First‚ I will pour each bag of skittles into a bowl‚ then
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What is the significance of the pollution from plastic bags? What is the scale of this pollution problem compared to other forms of pollution? Answer: Pollution from plastic bags or bottles has involvement from the accumulated products made of plastic which in turn adversely affect the environment which consists of wildlife‚ and humans. It can affect lands‚ waterways like oceans and rivers. The biggest prominent factor for usage of plastic bags is due to inexpensiveness and durability of it‚ which
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in bags? Formula: FC/P – VC $80‚000/$10-5 (0.10 x 50 lbs = $5.00) $80‚000/$5 Break-Even Point would be $16‚000 B. Calculate the profit or loss on 12‚000 bags and on 25‚000 bags 12‚000 bags 12‚000 x $10 = 120‚000 80‚000/$5 x 12‚000 = $80‚000 + $60‚000 = $140‚000 120‚000 – 140‚000 = -20‚000 loss 25‚000 bags 25‚000 x $10 = 250‚000 80‚000/$5 x 25‚000= 80‚000 + 125‚000 = 205‚000 250‚000 – 205‚000 = 45‚000 profit C. What is the degree of operating leverage at 20‚000 bags and
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