Which statement helps to explain why ice is less dense than liquid water?O(a) Water molecules make hydrogen bonds at definite angles.(b) Cold molecules move less than warm molecules.O (c) Hydrogen bonds lengthen in the cold.All of the above.O Both (a) and (b).

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Answered: Which statement helps to explain why…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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You are stranded on a lifeboat with several other people in the middle of the ocean. You have run out of clean drinking water and are very thirsty. The others have started to drink the seawater to quench their thirst. Since you’re waiting for rescue (and are a top notch AP Biology student), you decide to solve a couple of water potential problems to determine if drinking sea water is a good idea or not. a) The majority of dissolved ions in seawater is NaCl, roughly a 0.5M concentration. The ionization constant of NaCl is 2.0. Calculate the solute potential for seawater if you know that the water is 2°C. b) Your own cells have a 0.15M concentration. Calculate the solute potential for your own cells, knowing that body temperature is 37°C. c) Using your knowledge about water potential, if you drink the seawater, wat will happen when the seawater comes into contact with your body’s cells? Note: ΨP for animal cells is zero
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Which statement helps to explain why ice is less dense than liquid water? O(a) Water molecules make hydrogen bonds at definite angles. (b) Cold molecules move less than warm molecules. O (c) Hydrogen bonds lengthen in the cold. All of the above. O Both (a) and (b).