Guided course 05:19Properties of Water- The Universal SolventJason Amores Sumpter7266views131rank2comments
03:05Why Water Is Called Universal Solvent? | #facts | #education | #science | #knowledgeOnly Why?1241views
02:34Importance of water for life | Chemistry of life | AP Biology | Khan AcademyKhan Academy1031views2rank
Multiple ChoiceA solution in which water is the solvent is called a(n) _______________ solution.a) Polar.b) Aqueous.c) Hydrophobic.d) Complete.2580views22rank
Multiple ChoiceThe substance in a mixture that is dissolved is called the:a) Solution.b) Solvent.c) Solute.d) Aqueous solution.2640views27rank1comments
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.3483views31rank
Multiple ChoiceThe components of a heterogenous solution are ________________ distributed throughout.a) Equally. b) Unequally.c) Uniformly.2098views18rank
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.2309views22rank
Multiple ChoiceHow does the polarity of water contribute to its ability to dissolve so many substances? 4924views2rank
Multiple ChoiceSucrose has a molecular mass of 342 daltons. To make a 2-molar (2 M) solution of sucrose, __________. 1730views
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? 1126views
Textbook QuestionWhich of the following is a hydrophobic material? a. paper b. table salt c. wax d. sugar947views
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.1046views
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.1961views
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.1078views
Textbook QuestionWhat do you think the effect on the properties of water would be if oxygen and hydrogen had equal electronegativity?718views