CHEM 103 MODULE 1 TO 6 2026 FINAL PAPER
COMPLETE REVISION QUESTIONS WITH FULL
SOLUTIONS
◉ moles conversion. Answer: division
( mass )
over
( atomic mass )
◉ grams conversion. Answer: multiplication
(moles) ( atomic mass )
◉ write balanced equation. Answer: step 1
◉ write given. Answer: step 2
◉ write unknown. Answer: step 3
◉ find moles of given. Answer: step 4
◉ determine mole ratio. Answer: step 5
,◉ convert moles to grams. Answer: step 6
◉ limiting reagent. Answer: reagent that is used up first , calculate
moles of each reagent , least amount is limiting
◉ stoichiometry. Answer: mass-mass relationship quantile study of
chemical reaction
◉ bond polarity. Answer: measure of the degree of in equality in
sharing of electrons between 2 atoms in a chemical bond
◉ non polar bond. Answer: symmetrical distribution of electron
charge
H2 N2
◉ polar bond. Answer: a bond in which there is an unsymmetrical
distribution of electron charge
HCl and CO
◉ compressibility. Answer: measure of change in a volume due to a
change in pressure
,◉ thermal expansion. Answer: measure of change in a volume due to
a change in temperature
◉ kinetic energy. Answer: energy that matter possesses because of
the particle motion
- ENERGY IN MOTION
◉ potential energy. Answer: stored energy that matter possesses as
a result of its position, condition and / or composition
- ENERGY AT REST
◉ electrostatic interaction. Answer: an attraction or repulsion that
occurs between charged particles
◉ kinetic molecular theory of matter. Answer: explains physical
behavior of the three states of matter
◉ what are the 5 parts of the kinetic molecular theory of matter?.
Answer: 1. matter is composed of tiny particles
2. particles possess potential energy
3. particles possess kinetic energy
4. velocity of the particles increase as the temperature is increased
, 5. particles transfer energy through collisions
◉ solid. Answer: definite volume and definite shape
high density
small compressibility
◉ liquid. Answer: definite volume and indefinite shape
high density
small compressibility
◉ gas. Answer: indefinite volume and indefinite shape
low density
large compressibilty
◉ barometer. Answer: device that measures atm pressure
◉ 760 mmHg equals ..... Answer: 1.00 atm
◉ 1.00 atm equals ....... Answer: 1 torr
◉ 14.7 psi. Answer: 1.00 atm equals ....
COMPLETE REVISION QUESTIONS WITH FULL
SOLUTIONS
◉ moles conversion. Answer: division
( mass )
over
( atomic mass )
◉ grams conversion. Answer: multiplication
(moles) ( atomic mass )
◉ write balanced equation. Answer: step 1
◉ write given. Answer: step 2
◉ write unknown. Answer: step 3
◉ find moles of given. Answer: step 4
◉ determine mole ratio. Answer: step 5
,◉ convert moles to grams. Answer: step 6
◉ limiting reagent. Answer: reagent that is used up first , calculate
moles of each reagent , least amount is limiting
◉ stoichiometry. Answer: mass-mass relationship quantile study of
chemical reaction
◉ bond polarity. Answer: measure of the degree of in equality in
sharing of electrons between 2 atoms in a chemical bond
◉ non polar bond. Answer: symmetrical distribution of electron
charge
H2 N2
◉ polar bond. Answer: a bond in which there is an unsymmetrical
distribution of electron charge
HCl and CO
◉ compressibility. Answer: measure of change in a volume due to a
change in pressure
,◉ thermal expansion. Answer: measure of change in a volume due to
a change in temperature
◉ kinetic energy. Answer: energy that matter possesses because of
the particle motion
- ENERGY IN MOTION
◉ potential energy. Answer: stored energy that matter possesses as
a result of its position, condition and / or composition
- ENERGY AT REST
◉ electrostatic interaction. Answer: an attraction or repulsion that
occurs between charged particles
◉ kinetic molecular theory of matter. Answer: explains physical
behavior of the three states of matter
◉ what are the 5 parts of the kinetic molecular theory of matter?.
Answer: 1. matter is composed of tiny particles
2. particles possess potential energy
3. particles possess kinetic energy
4. velocity of the particles increase as the temperature is increased
, 5. particles transfer energy through collisions
◉ solid. Answer: definite volume and definite shape
high density
small compressibility
◉ liquid. Answer: definite volume and indefinite shape
high density
small compressibility
◉ gas. Answer: indefinite volume and indefinite shape
low density
large compressibilty
◉ barometer. Answer: device that measures atm pressure
◉ 760 mmHg equals ..... Answer: 1.00 atm
◉ 1.00 atm equals ....... Answer: 1 torr
◉ 14.7 psi. Answer: 1.00 atm equals ....
