Thistle Tube
Which of these are examples of osmosis? (possibly more than 1 answer)?
1. A fresh potato is peeled, weighed, and soaked in a strong salt solution. The next day it is discovered that the potato has lost weight.
2. Garden grass wilts after being exposed to dry chemical fetilizer.
3. Air molecules escape from a punctured tire as a result of high pressure inside.
4. Plant seeds soaked in water swell and become several times as large as before soaking.
5. When the bulb of a thistle tube filled with water is sealed by a selectively permeable membrane and submerged in a beaker of molasses, the water level in the tube falls.
1, 2, 4, 5. Three doesn't work because it's not water that is moving due to a higher concentration gradient.
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Glass Thistle Tube or Long Stem Funnel
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DescriptionThese thistle tubes or long stem funnels are made of borosilicate (heat resistant) glass. The approximate dimensions are: top diameter 47mm, outer stem diameter 5mm and length 250mm (9.8 inches). This funnel is used for the direct introduction through a stopper of substances into a flask, not for filtration... |
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Thistle Tube Polypropylene Funnel
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DescriptionThistle Tube Polypropylene Funnel - This unbreakable plastic thistle tube is ideal for the high school laboratory. It has a two piece construction with the stem tightly fitting into the funnel. Stem O... |
![Bath & Body Works, Pure Simplicity Milk Thistle Facial Cleaners , 2 oz Travel Sized [ 2 Tubes ]](http://www.birdhousesguide.com/media/images/i/41u6Xiq-M4L._SL75_.jpg) |
Bath & Body Works, Pure Simplicity Milk Thistle Facial Cleaners , 2 oz Travel Sized [ 2 Tubes ]
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SILVER SKY THISTLE Tube Feeder (Catalog Category: Wild Bird:WILD Bird Feeders)
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DescriptionPremium silver sky series are fully assembled. Die cast metal ports and perches. Lifetime warranty. Use with nyjer thistle seed to attract finches. |
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THISTLE TUBE FEEDER, Color: COPPER; Size: 36 INCH (Catalog Category: Wild Bird:WILD BIRD FEEDERS)
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DescriptionNine seed ports and patented spirals attract more birds. Easy to hang-looped wire hanging cable included and attached. Squirrel-proof patented locking lid. Easy to clean. Already assembled, ready to use... |
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GO GREEN THISTLE TUBE FEEDER, Color: GREEN; Size: 18 INCH (Catalog Category: Wild Bird:WILD BIRD FEEDERS)
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DescriptionRecycled Plastic tops, recycled polycarbonate tubes, recycled metal ports and recycled plastic bases. 18 inch tube holds 2 pounds of seed.(Color: GREEN; Size: 18 INCH) |
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THISTLE TUBE FEEDER WITH METAL PORTS (Catalog Category: Wild Bird:WILD BIRD FEEDERS)
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DescriptionFeatures 12 metal feeding perches. Easy open top for filling. What a delight to see this feeder with finches perched on every perch. |
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THISTLE TUBE FEEDER, Color: RED; Size: 1 QUART (Catalog Category: Wild Bird:WILD BIRD FEEDERS)
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DescriptionFeeder features 4 unique seed ports that provide birds with a solid perch. May be hung or mounted on an pole. Metal hanger attached. Fill with 1 pound of thistle mix. Fully assembled.(Color: RED; Size: 1 QUART) |
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