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Science Study Guide Part Three Flashcards | StudBud
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Science Study Guide Part Three
Science Study Guide Part Three
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Flashcards
16 cards
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Questions
16
Answers
1
Water is the only polar molecule.
False
True
2
What is surface tension?
Water molecules are drawn together to make the surface harder to break.
Water molecules travel upward against gravity; movement of water molecules.
Two molecules of the same kind stick together because of mutual attraction.
Molecules, such as water, sticking to other surfaces with different atoms.
3
An aqueous solution is...
A solution where sodium is the solute.
A pure solution where nothing is mixed.
A solution where water is not the solvent.
A solution where water is the solvent.
4
Water is a universal solvent.
False
True
5
Water has a different amount of hydrogen and hydroxide ions.
True
False
6
What is the specific heat capacity of water?
High - it resists changes in temperature.
Low - it resists changes in temperature.
High - it changes temperature quickly.
Low - it changes temperature quickly.
7
A homogenous mixture is one that is mixed evenly.
False
True
8
What is adhesion?
Molecules, such as water, sticking to other surfaces with different atoms.
Two molecules of the same kind stick together because of mutual attraction.
Water molecules travel upward against gravity; movement of water molecules.
Water molecules are drawn together to make the surface harder to break.
9
What is cohesion?
Two molecules of the same kind stick together because of mutual attraction.
Water molecules travel upward against gravity; movement of water molecules.
Molecules, such as water, sticking to other surfaces with different atoms.
Water molecules are drawn together to make the surface harder to break.
10
In a mixture, the ____ does the dissolving, and the ____ is what is being dissolved.
solute, solvent
solvent, solute
element, solute
solvent, molecule
11
The more H+, the more acidic. The more OH-, the more basic.
True
False
12
pH measures...
the amount of molecules in an organism.
how much surface tension there is in a liquid.
how acidic/basic a substance is.
the sulfur in a biomolecule.
13
What is capillary action?
Two molecules of the same kind stick together because of mutual attraction.
Water molecules travel upward against gravity; movement of water molecules.
Water molecules are drawn together to make the surface harder to break.
Molecules, such as water, sticking to other surfaces with different atoms.
14
Are you confident in your knowledge of water and the pH scale?
YES!! I could teach about it.
I am sort of confused, but I will do my own research.
I am getting there - just a few more tries and I'll have it.
I have no idea what's going on.
15
The temperature of ____ can vary, while the temperature of ____ has to be at least 100
o
C and ___ have to be at most 0
o
C.
solids, liquids, gas
liquids, solids, gas
gas, liquids, solids
liquids, gas, solids
16
Solids are denser than liquids.
False
True
