Water Properties
Identify the elements in a molecule of water
What is Hydrogen and Oxygen?
True or false: This is an example of an acid (HCl)
What is true?
True or false: NH3 is an example of a base
What is true?
The dissolving medium (the thing doing the dissolving)
What is a solvent?
If electrons in a molecule are not shared equally, it creates a ______ molecule.
What is polar?
Draw a water molecule, don't forget polarity!
What is (varies)
True or false: NaOH is an example of an acid
What is false?
pH range for bases
What is pH greater than 7?
The thing that is being dissolved.
What is a solute?
When water freezes and becomes ice, the polarity cause the hydrogen bonds to form but there is _____ in between
What is air?
Property that enables certain bugs to walk on water
What is surface tension?
pH range for acids
What is a pH less than 7?
A substance that produces OH- ions in water.
What is a base?
Water molecules stick to other substances. This property is called ________
What is adhesion?
___CH4 + __ O2 --> __ CO2 + __ H2O Balance this reaction.
What is 1,2,1,2?
Water sticking to other water molecules is known as _____________
What is cohesion?
Produces H+ ions in water.
What is an acid?
Which phrase is NOT true about strong bases?
A. are metal hydroxides
B. dissociate in water
C. have pH ranges from 1 to 7
D. conduct electricity well
What is C?
The unique attractive forces that keep molecules of water together are called....
What are hydrogen bonds?
Water is consider the universal solvent because.....
What is water can dissolve more substances than any other liquid?
Water is considered a universal solvent but oil is not. Explain why.
What is water is polar, but oil is not?
pH of the strongest acid
What is 0?
Baking soda has a pH of 8.3, would this be considered a strong base or weak base?
What is a weak base?
Hydrogen bonds form between adjacent water molecules because the __charged hydrogen end of one water molecule attracts the __ charged oxygen end of another water molecule.
What is positive then negative?
Water can move from the roots to the leaves of plants by using this water property
What is capillary action?