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WorksheetsRQ: 1.1-1.3
Total questions: 19
Worksheet time: 10mins
Water is a polar molecule due to the
unequal sharing of electrons between the oxygen and hydrogens
equal sharing of electrons between the oxygen and hydrogens
Water's oxygen atom is partially ________________, while its hydrogens are partially ________________.
positive; negative
positive; positive
negative; positive
negative; negative
In addition to its polarity, the properties of water arise from the fragile ____________ bonds between adjacent water molecules.
van der waals
ionic
covalent
hydrogen
__________________is a property of water referring to water being attracted to water.
Capillary action
Cohesion
Adhesion
Heat capacity
__________________is a property of water referring to water being attracted to other molecules.
Capillary action
Cohesion
Adhesion
Heat capacity
How come the spider can "walk on water"?
Due to the cohesion that adjacent water molecules exert as they are bonding to one another via covalent bonds.
Due to the adhesion that adjacent water molecules exert as they are bonding to one another.
Due to the surface tension that adjacent water molecules exert as they are bonding to one another.
Water has a high specific _______ (heat capacity) which means that it can absorb or release heat without a drastic change to its own temperature.
value
point
heat
What is the visual showing you?
That when in solid form (ice), water is more dense than liquid form.
That when in solid form (ice), water is less dense than liquid form.
What is the visual showing you?
Water molecules acting as a solvent.
Water molecules acting as a solute.
Water molecules acting as a solution.
Hydrophilic means
water - fearing
water - loving
Hydrophobic means
water - fearing
water - loving
A solution with excess hydrogen ions (H+) is
neutral
basic
acidic
Macromolecules are made of repeating subunits called
monomers
monosaccharides
polymers
polysaccharides
A __________ consists of many monomers bonded together.
monomer
hydrocarbon
peptide
polymer
A _________ reaction removes a molecule of water to bond molecules together to create a polymer.
hydrolysis
water
dehydration synthesis
magical
In order to break apart a polymer ________ must be added.
carbon
water
oxygen
hydrogen
What type of reaction is shown?
Dehydration synthesis
Hydrolysis
Which type of reaction is shown?
Dehydration Synthesis
Hydrolysis
How many water molecules are released in the formation of this polymer?
1
2
3
4
