0.000 s
Revise smart, understand Better
Select Lessons (12)
CHEMISTRY IN SOCIETY: Fertilizers
ENVIRONMENTAL EDUCATION: Chemistry In Society - Extraction Of Metals
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Alkali metals and alkaline earth metals
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Identification Of Ions
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Salts
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Transition metals
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Formulae, Moles And Equations
MATTER: PROPERTIES AND TRANSFORMATION: Rates Of Reaction
MATTER: PROPERTIES AND TRANSFORMATION: Reversible Reactions
PRINCIPLES OF CHEMISTRY: Electrochemistry
PRINCIPLES OF CHEMISTRY: Gaseous State
5/25 MCQs for:
PRINCIPLES OF CHEMISTRY: Gaseous State
The equation P
1
V
1
=P
2
V
2
represents?
Charles’ law
Boyle’s law
Dalton’s laws
Avogadro’s laws
What happens at R.T.P?
All of the above
T = 25
o
C or 298.15 K
Molar volume is 24 dm3 or 24 litres
P = 1 atm or 760 mmHg or 101325 Pa
The number of moles (n) of a gas at S.T.P. or R.T.P. is calculated by which formula?
V
1
/ T
1
= V
2
/ T
2
P
1
V
1
= P
2
V
2
n = V / V
m
Where V = given volume and V
m
= molar volume
PV = nRT
375 cm³ of a gas has a pressure of 770 mmHg. What is the new volume if the pressure is reduced to 750 mmHg?
385 dm³
835 cm³
358 cm³
385 cm³
How many moles will 125 cm³ of carbon dioxide contain at R.T.P.?
0.0056 mol
5.21 mol
5.58 mol
0.0052 mol
