Module 1.1: General Chemistry Flashcards
It is anything that has mass and volume
Matter
It is the amount of matter present in an object
Mass
It is the amount of space occupied by an object
Volume
It is the of
product of mass × by gravity (9.8m/s2)
Weight
What are the properties of matter
Intensive or intrinsic
Extensive or extrinsic
Properties that are independent on the amount of matter present
Intensive or intrinsic property
Intensive or intrinsic property is independent on the amount of matter present in
Intan DeS BOM
Density specific gravity boiling point organoleptic properties melting point
Intan DeS BOM
Intensive or intrinsic property is independent on the amount of matter present in
Intan DeS BOM
Density specific gravity boiling point organoleptic properties melting point
Boiling point of water
100° c
Properties that are dependent on the amount of matter present
Extensive or extrinsic property
Extensive or extrinsic property is dependent on the amount of matter present in
Ex kun Vom PHire
Volume
mass
pressure
heat content
Ex kun Vom PHire
Extensive or extrinsic property is dependent on the amount of matter present in
Ex kun Vom PHire
Volume
mass
pressure
heat content
What are the changes of matter
Physical change
Chemical change
It is observed or measured without changing the identity of matter
Physical change
___ is a change in phase
Physical change
Physically, MaVaSa ang LaVaVo
Physical change example melting point boiling point solubility viscosity length volume
Describe the change or reaction a substance undergoes
Chemical change
Change in both intrinsic and extrinsic properties
Chemical change
Examples of chemical change
Flammability reactability formation of gas formation precipitate formation of odor change in color
Fundamental states of matter
Solid
liquid
gas
Plasma
bose einstein condensate
What is the molecular motion of solid liquid gas
solid- vibration
liquid- gliding
gas- random motion
What is the shape of
solid
liquid
gas
solid- definite
liquid- indefinite
gas- indefinite
What is the volume of
solid
liquid
gas
solid- definite
liquid- definite
gas- indefinite
What is the ifa strength
solid
liquid
gas
solid- strongest
liquid- strong
gas- weakest
What is the compression of
solid
liquid
gas
solid- none
liquid- non or weak
gas- strongest
It is also known as plasma
Mesophase or liquid crystal
It is the fourth state of matter
Plasma
It has a solid and flow like properties
Plasma
Resembles those of a crystal in the formation of loosely ordered molecular arrays
Plasma
Ordered arrangement of atoms
Crystal lattice
Plasma is either
Smectic Nematic
Smectic is Nematic is
Smectic is a like or grease like
Nematic is thread like
What are the distinct crystal system
Cubic
Tetragonal
hexagonal
rhombic
orthoromobic
monoclinic triclinic
Shapes ?
Cubic
Tetragonal
hexagonal
rhombic
orthoromobic
monoclinic triclinic
Cubic - NaCl
Tetragonal- Urea
hexagonal- Iodoform
rhombic- Iodine
orthoromobic - Ritonavir II
monoclinic- Sucrose, Ritonavir I
triclinic- Boric acid
It is the degree of randomness
Entropy
It is the amount of heat present
Enthalpy
Plasma to gas
Decombination or deionization
Gas to plasma
Ionization
Gas to liquid
Condensation
Liquid to gas
Evaporation
Liquid to solid
Freezing or congealing
Solid to liquid
Melting point
Solid to gas
Sublimation
Gas to solid
Deposition
What are the laws of matter
Law of definite proportion or proust’s law
Law of multiple proportion or dalton’s law
Law of conservation of mass
Law of conservation of energy
The composition of a pure compound is always the same regardless of its source
Law of definite proportion or proust’s law
In pure compounds the elements are always in the same proportion by mass
Law of definite proportion or proust’s law
Atoms of two or more elements may combine in different ratios to produce more than one compound
Law of multiple proportion or dalton’s law
No change is observed in the total mass of the substance involved in a chemical reaction
Law of conservation of mass
Energy is neither created or destroyed but it is conserved or transformed
Law of conservation of energy
Classification of matter
Pure and impure or mixture
What is the difference between pure and mixture or impure
Pure is chemically combined
Impure or mixture is not chemically combined but physically combined
And it can retain their individual properties
One kind of material atom is a theory of
Dalton’s atomic theory
It is the simplest form of matter
Elements
Pure chemical substance
Elements
It cannot be decomposed by simple physical or chemical means into two or more different substances
Elements
Compose of two or more elements that unite chemically in different proportion
Compounds
Cannot be changed into simpler substances under normal laboratory condition
Compounds
True or false all molecules are considered compound
Because hydrogen gas is a molecule but not a compound
Classification of mixture
Nature of particles and particle size
Types of nature of particles in the classification of impure /mixture
Homogeneous and heterogeneous
What is the types of particle size in the context of classification of mixture
Solution
suspension
colloids
Consistent or uniform parts throughout
Homogeneous
Example is nacl dissolved in water, syrup, alloys
Homogeneous
Physically distinct parts
Heterogeneous
Example is sand and water mixture
Heterogeneous
True solution is __ mixture
Uniform
Atom or molecules and ions of the substance become dispersed
True solution
Contains particles bigger than those in solution but smaller than those in suspension
Colloids
Dividing line between solution and suspension
Colloids
Colloids particles of solid are broken down to the size of the molecule but are small enough in dispersed throughout the medium
Colloids
Example of colloids
Dust and mayonnaise
What are the properties of colloids
TBAC COL
Tyndall effect brownian movement
adsorption
charged electrically
Tyndall effect brownian movement
adsorption
charged electrically
Tyndall effect - light scattering effect TINDAHAN MALIWANAG
brownian movement- zigzag movement of colloidal particles
adsorption- capacity to adhere or stick to the surface
AD AD
charged electrically- Nernst/Zeta potential
Course mixture
Suspension
Finely divided solid materials distributed in liquid
Suspension
Factors affecting solubility
FAS NaTo Paster Paster Paster
Nature of solute and solvent
temperature
pressure
particle size
presence of salts
FAS NaTo Paster Paster Paster
Factors affecting solubility
Nature of solute and solvent
temperature
pressure
particle size
presence of salts
Refers to the maximum amount of solute expressed in grams that can be dissolved in 100 g of water
Solubility
Ability of one substance to mix with another substance
Miscibility
If temperature increases what happens to the solubility of solid in a liquid
Increases
If temperature increases it also increases the solubility of solid in a liquid
Temperature increases what happens to the solubility of a gas in a liquid
Decreases
If a temperature increases it decreases hindi solubility of a gas in a liquid
It absorbs heat and if temperature increases it also increases the solubility
Endothermic reaction
It releases heat and its temperature increases it decreases the solubility
Exothermic reaction
It states that at constant temperature the solubility of gas in a liquid is directly proportional to the pressure of the gas above the liquid
Henry’s law of gas solubility
International system unit of pressure
Pascal
What happens to the solubility of gas if pressure increases
Increases
What happens to the surface area and solubility if particle size increases
Decreases
Presence of salt decrease as solubility
Salting out
Presence of salt increases solubility
Salting in
What are the types of solution
Saturated
unsaturated or diluted
super saturated or concentrated solution
Solution achieved the maximum solubility
Saturated solution
The solvent mar solute
Diluted or unsaturated
More solvent than solute
Supersaturated or concentrated
Interface to the limit before saturation in relation to ion
Solubility product constant
Q means
Degree of ion
Ion serves as an___ solubility product constant
Solute
Acid results to litmus paper
Blue to red
Base litmus test result
Red to blue
What is the taste of acid and base
Acid sour
Base is bitter
What are the theories in acid base equilibra
Arrhenius
Bronsted- Lowry
Lewis theory
What theory of acid base indicates that not hydroxyl group is base or basic because of ammonia
Arrhenius theory
Bro, acid ang PDos
Bronsted - Lowry theory
Acid: proton donor
Base : acceptor
What theory is that yields hydrogen and hydronium ion
Arrhenius theory: acid
What theory yield hydroxyl ion
Arrhenius theory: basic
What type of theory is an electron acceptor
Levi’s theory : acid
It is formed from the neutralization reaction
Salts
Example of salts which are formed from the neutralization reaction
Strong acid + strong base
Strong acid + weak base
Weak acid + strong base
Weak acid + weak base
Identify their product
Strong acid + strong base
Strong acid + weak base
Weak acid + strong base
Weak acid + weak base
Strong acid + strong base - neutral salt
Strong acid + weak base = acidic salt
Weak acid + strong base= basic salt
Weak acid + weak base= no salt formed
Acid + base=
Salt + h2o
Example of strong acids
HBCNIPS
Hydroboric acid
Hydrochloric acid
Nitric acid
Hydro ionic acid
Perchloric acid
Sulfuric acid
Examples of strong bases
Hydroxides
Group 1a and 2a
Ph is measured through
Sorensen’s scale
General formula for Sorensen’s scale
Ph + poh = 14
It measure the propensity of a larger object to separate or dissociate reversibly into smaller components
Dissociation constant
Ionic equilibra that completely dissociates
Strong acid base
Ionic equilibra that does not completely dissociate
Weak acid base
Ionic equilibrium that does not dissociate
Electrolytes
Example of strong acid base that completely dissociates
Sodium chloride
Example of weak acid that does not completely dissociates
Weak electrolytes such as buffer
Non electrolytes that does not dissociate example
Organic molecules such as glucose dextrose or other sugar
It gains or the need proton
Amphiprotic