Biology, 26.02.2020 02:53 antoinewill05

Suppose that while the reverse osmosis system is running tank B becomes contaminated with salt water such that it ends up with a higher salt concentration than tank A. What would happen if the reverse osmosis system was turned off?A) There would be a net flow of water from tank A to tank B. B) There would be a net flow of water from tank B to tank A. C) Water would flow in equal amounts in both directions.

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Answer from: amiechap12

The correct answer is: A) There would be a net flow of water from tank A to tank B.

Explanation:

Osmosis can be defined as the process by which molecules of a substance (water) tend to move from a region where its concentration is high to a region where is concentration is low across a semi-permeable membrane. The force which causes this movement is called the Osmotic Pressure.Reverse Osmosis can be defined as the process by which molecules of a substance (water) move from a region where its concentration is low to a region where its concentration is high, due to the application of a hydrostatic pressure which is more than the osmotic pressure.In the given example, water is is being separated from the salt dissolved in it by the process of Reverse Osmosis. This results in the accumulation of salt in Tank B and accumulation of pure water in Tank A. Reverse osmosis promotes the movement of water from Tank B (where the water concentration is low but salt concentration is high) to Tank A (where the water concentration is high but salt concentration is low) due to the hydrostatic pressure.Stopping Reverse Osmosis will cause normal Osmosis to occur.Hence, the water will move from tank A (where its concentration is high) to tank B (where its concentration is low) until water concentration in both the tanks become equal.

Answer from: Quest

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

Answer from: Quest

c. earths continental crust is thicker than its lithosphere.

because, the lithosphere is the outermost layer of the earth/ 100 km thick and is defined by its machanical properties.the lithosphere contains oceanic and continental crust that varies in age and thickness across locations and geologic time. the lithosphere is the coolest layer of the earth in terms of temperature. the term lithosphere should not be confused with the use of "geosphere" which is used to indicate all of earth systems, including the atmosphere, hydrosphere and biosphere. the surface of the earth can be divided into the continental crust and the oceanic crust. the continental crust is made mostly of granite while the oceanic crust is made of basalt. the average thickness of the continental crust is 25 miles and the average thickness of the oceanic crust is 5 miles. three types of rock, igneous, sedimentary, and metamorphic, make up the surface of the earth. that's why 3 option is preferable.

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Suppose that while the reverse osmosis system is running tank B becomes contaminated with salt water...

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