EXAM

Question 1

It is the state of having equal forward reaction and reverse reaction

Answer 1

Equilibrium

Question 2

From reactant to product

Answer 2

Forward reaction

Question 3

From product to reactant

Answer 3

reverese reaction

Question 4

A state where the physical state of a system remains constant
and there is only change in the state of matter of the substance.

Answer 4

physical Equilibrium

Question 5

– The rates of forward and reverse reaction is reached equal and
the changes happen on a molecular level.

Answer 5

Chemical Equilibrium

Question 6

in this equilibrium, reactants and the products of chemical
equilibrium are all in the same phase.

Answer 6

Homogeneous Equilibrium

Question 7

the reactants and the products of chemical equilibrium are
not in the same phase

Answer 7

Heterogeneous Equlibrium

Question 8

shift in the position of an equilibrium caused by adding one of the reactants or
products to a system

Answer 8

Mass action Effect

Question 9

The equilibrium constant of a chemical reaction (K), provides insight into
the relationship between the products and reactants when a chemical reaction reaches equilibrium

Answer 9

Equilibrium Constant

Question 10

• It is the visual representation of how you
  will get your equilibrium constant

Answer 10

Equilibrium constant expression

Question 11

measure of heat absorbed or released in a process a constant pressure

Answer 11

Enthalpy (ΔH)

Question 12

Reaction absorbing heat

Answer 12

ENdothermic ReactionR

Question 13

Reaction reseasing Heat

Answer 13

Exothermic reaction

Question 14

a measure of the disorder of a system. Entropy also describes how much energy
is not available to do work.

Answer 14

Entropy (ΔS)

Question 15

tells us whether the process is spontaneous or not spontaneous

Answer 15

Gibbs Free Energy

Question 16

Equilibrium constant of concentration symbol

Answer 16

Kc

Question 17

when stress is applied to a chemical system, the equilibrium will shift
to relieve the stress. If there is a stress on the reactant side, the product side will adjust and viceversa

Answer 17

Le Chatelier’s Principle

Question 18

– it is a quantitative method to determine an analyte concentration by
weighing a pure, solid form of the analyte

Answer 18

Gravimetric Analysis

Question 19

a substance whose chemical constituents are being identified and measured.

Answer 19

Analyte

Question 20

also known as the precipitating agent refers to the chemical that is used to cause
precipitation

Answer 20

Precipitant

Question 21

the insoluble substance formed in the gravimetric method

Answer 21

Precipitate

Question 22

Property of precipitant

Answer 22

selective
- specific
- readily filtered
- low solubility
- known

Question 23

easiest way using the precipitation process (the reaction that creates an insoluble solid
product from the reaction of two soluble solid products)

Answer 23

Precipitation Method

Question 24

insoluble compound forms because of a precipitating agent

Answer 24

Precipitation Method

Question 25

using thermal or chemical energy to determine their masses

Answer 25

Volatilization Method

Question 26

volatile gases (that can be easily evaporative), like carbon dioxide, chlorine, etc., can be separated with the help of volatilization gravimetry.

Answer 26

Volatilization Method

Question 27

measurement of the volume of a solution whose concentration is known and applied to determine the concentration of the analyte.

Answer 27

Volumetric Analysis

Question 28

solution of known concentration used in titration

Answer 28

Titrant/Standard solution

Question 29

are often added to the analyte solution to produce an observable physical change (signaling the end point) at or near the equivalence point.

Answer 29

Indicator

Question 30

a theoretical point reached when the amount of added titrant is chemically equivalent to the amount of analyte in the sample

Answer 30

Equivalence Point

Question 31

- physical change associated with the condition of chemical equivalence.

Answer 31

End Point

Question 32

deals with the conversion of chemical energy into electric energy or vice versa.

Answer 32

Electrochemistry

Question 33

involves transfer of electrons (losing and gaining electrons)

Answer 33

Redox Reaction

Question 34

______ of an element corresponds to the number of electrons, (e-), that an atom loses, gains, or appears to use when joining with other atoms in compounds

Answer 34

Oxidation state

Question 35

is a positive or negative number assigned to an atom to indicate its degree of oxidation or reduction.

Answer 35

Oxidation Number