Water molecules are
Group of answer choices
polar
nonpolar
ionic
none of the above
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In water, hydrogen of one molecule is held to the oxygen of a second by what type of bond?
Group of answer choices
polar covalent
hydrogen
Ionic
none of the above
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A certain lizard can walk across water without drowning. This is due to what property of water?
Group of answer choices
Adhesion
Cohesion
surface tension
specific heat
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Water has a high specific heat. This means that waterâ¦
Group of answer choices
can absorb a great deal of energy without a change in temperature
changes temperature rapidly with increasing heat
loses heat easily when temperature drops
is not a good temperature regulator for the body
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Which of the following is true about waterâ¦.
Group of answer choices
it is a good solvent
it is hydrophobic
it is NOT cohesive
all of the above
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The material that gets dissolved (like sugar in coffee) isâ¦
Group of answer choices
Solution
solvent
solute
sol
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An atom that wants to hold on to or attract electrons is
Group of answer choices
Electropositive
Polar
electronegative
Non-polar
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Hydrogen bonds are
Group of answer choices
Intramolecular bond
Ionic bond
Covalent bond
Intermolecular bond
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Dew is an example of _____.
Group of answer choices
Cohesion
Adhesion
Surface Tension
Specific Heat
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The reason water does not warm quickly under the sunâs heat
Group of answer choices
Cohesion
Adhesion
Surface Tension
Specific Heat
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Hydrogen bonds are responsible for
Group of answer choices
ice floating
water pollution
purity of bottled water
none of the above
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When electrons are shared equally between 2 atoms we have
Group of answer choices
ionic bond
polar covalent bond
nonpolar covalent bond
polar ionic bond
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Which of the following allows a lizard to walk on water?
Group of answer choices
adhesion
surface tension
cohesion
specific heat
Flag this QuestionQuestion 142 pts
Which of the following is the electronegative atom in water?
Group of answer choices
carbon
oxygen
Hydrogen
Potassium
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Which of the following is a positively charged ion
Group of answer choices
Proton
Anion
Electron
cation
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Ice is
Group of answer choices
Less dense than liquid water
More dense than liquid water
The same density as liquid water
Density depends on calories
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Which of the following will not make a solution with water
Group of answer choices
oil
Salt
Sugar
Tea
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If I have 5 g of sugar in 100 g of water what is the concentration of the solution?
Group of answer choices
5 ppm
5 ppb
5 molar
5 percent
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The more electronegative atoms are found
Group of answer choices
On the left side of the periodic chart (for example Li, K)
On the right side of the periodic chart (for example O, N)
In the middle of the periodic chart (for example Fe, Hg)
All over the periodic chart
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In a covalent bond
Group of answer choices
electrons are shared
Electrons move from one atom to another
Atoms become ions
None of the above
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When water dissolve NaCl, the partially positive H atoms surround
Group of answer choices
The Cl ion
The Na ion
The entire molecule
None of the above
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An aqueous solution
Group of answer choices
Has water as the solute
Has water as the solvent
Has water as the solution
Has ethanol as the solvent
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Lead is sometimes a contaminant in water, this very low concentration is best reported as
Group of answer choices
Molarity
Percent
PPM (parts per million)
None of the above
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Which of the following is the most electronegative atom?
Group of answer choices
O
H
Li
Ca
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The amount of energy required to increase the temperature of 1 gram of water by 1 degree Centegrade
Group of answer choices
calorie
Density
Molarity
Polarity
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Forces that hold one atom to another to form a compound
Group of answer choices
Hydrogen bond
Intermolecular bond
Intramolecular bond
None of the above
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Sugar can dissolve in water
Group of answer choices
True
False
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Turpentine is a solvent for oil based paint
Group of answer choices
True
False
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The percent composition of a solution is grams of solvent per 100 g of solute
Group of answer choices
True
False
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Moles per liter is called molarity
Group of answer choices
True
False
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Adhesion is when water molecules stick to some other surface.
Group of answer choices
True
False
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Water has a high surface tension.
Group of answer choices
True
False
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Electronegative atoms do not attract electrons
Group of answer choices
True
False
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As water cools it expands
Group of answer choices
True
False
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Orange Juice is an example of a solution.
Group of answer choices
True
False
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Insoluble means that a material will NOT dissolve in water
Group of answer choices
True
False
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Electrolytes are non-conducting solutes in an aqueous solution
Group of answer choices
True
False
Flag this QuestionQuestion 382 pts
A 15% solution of sugar is 15 g of sugar in a liter of water.
Group of answer choices
True
False
