4-4 water properties Notes Ach2.0

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Name _______________________________ Date _________________ Period _________
Extraordinary properties of Water ppt Questions
1. What is the formula for a molecule of water?
2. Which atom in water attracts more negative electrons?
3. Water is called a _______________ molecule because the oxygen end “acts”
_____________ charged and the hydrogen end “acts” _______________ charged.
4. How do hydrogen bonds form?
PROPERTIES OF WATER
5. Name 5 more properties of water that are important to life.
a.
b.
c.
d.
6. What is cohesion?
7. What is surface tension a measure of?
8. How does the film produced by surface tension help organisms?
9.
What is adhesion?
10. How does adhesion DIFFER from cohesion?
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11. Adhesion produces _______________________ _______________ as water is
attracted to and pulled into a thin glass tube.
12. What process in plants is due to capillary action (one word)?
SOLUTIONS & SUSPENSIONS
13. The _________________ is the substance being dissolved and the _______________ is
what the substance is dissolved in.
14. What acts as a “universal solvent” because it dissolves so many substances?
ACIDS, BASES, & pH
15. Write the equation for the dissociation (separation) of water and label the hydrogen &
hydroxide ions?
16. What does the pH scale actually measure?
17. The pH scale ranges from ________________ with a pH of ______ being neutral.
18. Where are acids found on the pH scale?
19. Where are the bases found on the pH scale?
20. How much stronger is a substance with a pH of 3 than a pH of 6. Show how you got your
answer.
21. Acids produce a lot of ____________ ions, while bases contain lots of __________ ions.
22. What is a buffer?
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