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Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis
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An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons
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State one important difference between a physical change and a chemical change?
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Chemistry, 22.06.2019 22:00
4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.
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Determine the molarity and mole fraction of a 1.15 m solution of acetone (CH3COCH3) dissolved in eth...
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