03:05Why Water Is Called Universal Solvent? | #facts | #education | #science | #knowledgeOnly Why?1160views
02:34Importance of water for life | Chemistry of life | AP Biology | Khan AcademyKhan Academy917views2rank
Multiple ChoiceA solution in which water is the solvent is called a(n) _______________ solution.a) Polar.b) Aqueous.c) Hydrophobic.d) Complete.2344views18rank
Multiple ChoiceThe substance in a mixture that is dissolved is called the:a) Solution.b) Solvent.c) Solute.d) Aqueous solution.2419views21rank1comments
Multiple ChoiceWhat is the charge of the solute molecule in the image below based on the polarity of water?a) Positively charged.b) Negatively charged.c) Uncharged.d) Non-polar and hydrophobic.3254views27rank
Multiple ChoiceThe components of a heterogenous solution are ________________ distributed throughout.a) Equally. b) Unequally.c) Uniformly.1858views17rank
Multiple ChoiceHydrophobic molecules:a) Are polar covalent molecules.b) Easily dissolve in water.c) Are nonpolar water 'fearing' molecules. d) Are nonpolar water 'loving' molecules.2114views19rank
Multiple ChoiceHow does the polarity of water contribute to its ability to dissolve so many substances? 4727views2rank
Multiple ChoiceSucrose has a molecular mass of 342 daltons. To make a 2-molar (2 M) solution of sucrose, __________. 1615views
Multiple ChoiceA mole of ethyl alcohol weighs 46 g. How many grams of ethyl alcohol are needed to produce 1 L of a 2-millimolar (2 mM) solution? 1063views
Textbook QuestionWhich of the following is a hydrophobic material? a. paper b. table salt c. wax d. sugar864views
Textbook QuestionCreate a concept map to organize your understanding of the life-supporting properties of water. A sample map is in the answer section, but the value of this exercise is in the thinking and integrating you must do to create your own map.896views
Textbook QuestionDRAW IT Draw the hydration shells that form around a potassium ion and a chloride ion when potassium chloride (KCl) dissolves in water. Label the positive, negative, and partial charges on the atoms.1866views
Textbook QuestionMost of the unique properties of water result from the fact that water molecules a. are the most abundant molecules on Earth's surface. b. are held together by covalent bonds. c. are constantly in motion. d. are polar and form hydrogen bonds.974views
Textbook QuestionWhat do you think the effect on the properties of water would be if oxygen and hydrogen had equal electronegativity?657views
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