If one of the two solutions has a higher concentration of solute particles than the other, the one with the higher concentration is described as
Ahypertonic
Bhypotonic
Cisotonic
Dphotonic
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Chemistry
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If one of the two solutions has a higher concentration of solute particles than the other, the one with the lower concentration is described as
Ahypertonic
Bhypotonic
Cisotonic
Dphotonic
The movement of solvent particles through a semi-permeable membrane from the region of lower solute concentration to the region of higher solute concentration is called _________
Aosmosis
Bhymolysis
Ccrenation
Ddialysis
What are suspensions of liquid or solid particles in a gas called?
AEmulsions
BAerosols
CFoams
DSols
What is in some aerosols products that can cause harm to the atmosphere?
ASmog
BChloroflurocarbons (CFC)
CEmulsifying agent
DHydrocarbons
What are colloidal dispersions of gas bubbles in liquids or solids?
AEmulsions
BAerosols
CFoams
DSols
What is a colloidal dispersion of a liquid in either a liquid or a solid?
AEmulsions
BGels
CFoams
DSols
What is a solid dispersed in either a solid or a liquid?
AEmulsions
BGels
CFoams
DSols
What is a colloidal system in which the dispersed phase consists of fibrous, interwoven particles called fibrils which exert a marked effect on the physical properties of the dispersing medium?
AEmulsions
BGels
CFoams
DSols
Most cosmetics and ointments and creams used in medicines are _______
Aemulsions
Bgels
Cfoams
Dsols
"Upon dissociation in water, acids yield hydrogen ions while gases yield hydroxide ions". What is this statement commonly called?
AArrhenius theory
BpH concept
CBronsted - Lowry theory
DLe Chatelier's principle
What is defined as a substance which, upon reaction with water, causes an increase in the concentration of the solvent cation, \( H_3O^+ \)?
ALewis acid
BLewis base
CArrhenius base
DArrhenius acid
What is defined as a substance which, upon dissolution in or reacting with water causes an increase in the concentration of the solvent anion, \( OH^- \)?
ALewis acid
BLewis base
CArrhenius base
DArrhenius acid
What is the dissolution constant of water at \( 25^\circ C \)?
A1.\( 8 \\times \(10^{-15}\) \)
B1.\( 8 \\times \(10^{-16}\) \)
C1.\( 8 \\times \(10^{-17}\) \)
D1.\( 8 \\times \(10^{-18}\) \)
What theory states that an acid is any substance that donates a proton to another substance, and a base is any substance that can accept a proton from any other substance?
AArrhenius theory
BBronsted-Lowry theory
CLewis theory
DpH concept
What theory states that an acid is a substance that can accept a lone pair from another molecule, and a base is a substance that has a lone pair of electrons?
AArrhenius theory
BBronsted-Lowry theory
CLewis theory
DpH concept
An acid described as an electron pair acceptor is the ________ acid
AArrhenius
BPure
CLewis
DBronsted-Lowry
The Bronsted-Lowry acid is:
Aa proton donor
Ba proton acceptor
Can electron pair acceptor
Dan electron pair donor
The Bronsted-Lowry base is:
Aa proton donor
Ba proton acceptor
Can electron pair acceptor
Dan electron pair donor
According to Gilbert Lewis, an acid-base reaction as the sharing of an electron pair will form what type of bond?
ACoordinate ionic bond
BCoordinate covalent bond
CCoordinate metallic bond
DCoordinate bond