Universal solvent - Study guides, Class notes & Summaries

Ocean 100 SacramentoGrilo Exam 2 Questions and Answers Already Passed what makes up the water molecule? 1. 2 hydrogen (+) atoms, attracts (-) atoms 2. 1 oxygen (-) atoms, attracts (+) atoms what is the bond angle of the water molecule? 105° what's so peculiar about this molecule? it's one of the few molecules on earth present in 3 different ways: liquid, solid, & gas what kind of bonds are in the water molecule? covalent bonds (sharing electrons between O & H atoms) what ki...

Hesi A2 Biology Exam Questions and Answers 100% Pass Hierarchic Organizational system for nomenclature - Correct Answer ️️ -Kingdom Phylum Class Order Family Genus Species (Least) "Keep Penguins Cool Or Find Good Shelter" Scientific Method - Correct Answer ️️ -Observation Hypothesis Experiment Conclusion Water - Correct Answer ️️ -All life, and therefore biology , occurs in water. Properties of Water - Correct Answer ️️ -2 Hydrogen bonds Covalently bonded to Oxy...

water CORRECT ANSWER -polar molecule -polar colvalent bonds -oxygen end is partial negative and the hydrogens have a partially positive end -cohesive polar covalent bonds CORRECT ANSWER -opposite ends of the molecule have opposite charges cohesion CORRECT ANSWER -H bonding between H2O creates it (sticky) -allows for the movement of water against gravity -high surface tension -water moves up a tree by transpiration (helped by ____) adhesion CORRECT ANSWER -H2O molecules form H bond...

AP Biology 2024 Full Review name special properties of water - Answer>>- high polarity (negative oxygens, 2 positive hydrogens, electrons not equally shared; hydrogen bonds with oxygen in other H2O's) - universal solvent (dissolves polar and ionic substances) - strong adhesion and cohesion - hydrogen bonding - High specific heat; keeps temps stable (land next to ocean) - high heat of vaporization (heat evaporation cools body)

IB Bio A1.1 Water Questions and Answers Graded A+ List reasons why water is a substance on which life depends. A1.1.1 - Water as medium of life. 1. The first cells originated in water. 2. Water is the "universal solvent" allowing it to dissolve and transport molecules around a body. 3. Water is a metabolite in condensation and hydrolysis reactions. 4. Water is a temperature buffer in bodies and ecosystems. 5. Water maintains biological structures (such as phospholipid bilay...

AP Biology Unit 1 Test 100% solved water -polar molecule -polar colvalent bonds -oxygen end is partial negative and the hydrogens have a partially positive end -cohesive polar covalent bonds -opposite ends of the molecule have opposite charges cohesion -H bonding between H2O creates it (sticky) -allows for the movement of water against gravity -high surface tension -water moves up a tree by transpiration (helped by ____) adhesion -H2O molecules form H bonds with other s...

water - ️️-polar molecule -polar colvalent bonds -oxygen end is partial negative and the hydrogens have a partially positive end -cohesive polar covalent bonds - ️️-opposite ends of the molecule have opposite charges cohesion - ️️-H bonding between H2O creates it (sticky) -allows for the movement of water against gravity -high surface tension -water moves up a tree by transpiration (helped by ____) adhesion - ️️-H2O molecules form H bonds with other substances ~c...

Oceanography Test 2 SDSU Latest Update with Verified Solutions water molecule (basic atomic structure) 1 oxygen (negative); 2 hydrogen (positive) Hydrogen bond: inter-molecular bonds (bond water molecules together) Polarity Water is a polar molecule; electromagnetic H end: partial (+) charge, attracts (-) O end: partial (-) charge, attracts (+) thus, dissolves substances (universal solvent) 3 phases of water solid (ice) liquid (water) gas (vapor) In order to make water change ph...

Things that affect our food choices correct answersflavor, texture, appearance, routines and habits, early experiences and customs, advertising, nutrition and health concerns, social changes, economics, physiological processes Diet and lifestyle factors contributing to leading causes of death correct answerspoor diet and a sedentary lifestyle Nutrition correct answersthe science that links foods to health and disease Carbohydrate correct answersa compound containing carbon, hydrogen and...

Oily, dry, normal, or chemically treated - Answer The four ways hair can generally be categorized as pH scale - Answer measurement system used to indicate the concentration of hydrogen ions (H+) in solution; ranges from 0 to 14 Alkaline shampoo - Answer These shampoos are harsher on the hair, since they are farther from the natural pH. Acidic shampoo - Answer These shampoos most closely match the natural pH of hair. water - Answer This liquid is known as the universal solve...