Oceanography-100 SDSU Exam 2 Study Guide Questions and Answers 100% Verified

Oceanography-100 SDSU Exam 2 Study Guide Questions and Answers 100% Verified The Water molecule and basic atomic structure? - CORRECT ANSWER-2 positive end hydrogen and one negative end oxygen what makes up the water molecule, the charges, the bond angle? - CORRECT ANSWER-H end- positive charge O end- negative charge looks like a mickey mouse head What's so peculiar about this molecule? - CORRECT ANSWER-The fact that is has hydrogen bonds which are independent of the covalent bonds as well as it being a polar molcule HThe kinds of bonds in the water molecule? The kinds of bonds connecting all the water molecules together to form liquid? - CORRECT ANSWER-In the water molecule there are covalent bonds, but in order for water molecules to be connected together they have hydrogen bonds What do these bonds lead to? (important features of water...) - CORRECT ANSWERThese bonds lead to the intermolecular bonds that allows cohesion to be create surface tension Polarity - why is water a polar molecule? What do we call water as a result and why? - CORRECT ANSWER-Water is a polar molecule because it had a positive end and a negative end and because of this we call it the universal solvent What happens to salt (NaCl) in water? - CORRECT ANSWER-It will dissolve What are the 3 phases of water and how does one get changed to another? - CORRECT ANSWER-Ice- Molecules are locked into place (all molecules connected by hydrogen bonds) Water- most molecules connected (most connected by hydrogen bonds) Vapor- independent molecules () what is the heat capacity of water? - CORRECT ANSWER-very high because oceans absorb and release huge amounts of heat with little change in temperature What is the heat capacity of sand? - CORRECT ANSWER-lower heat capacity because it takes less heat to raise it's temperature