Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.
The relationship between equilibrium constant and free energy change is represented as
δ G ° =-nFE °
δG °-RT ln K
δ G °= + RT In k
δG ° = δH – T S
H=TδS
Correct answer is B
No explanation has been provided for this answer.
Which of the following salt solutions will have a pH greater than 7?
NaCl
NaHSO4
Na2CO4
Na2SO4
MgCl2
Correct answer is C
No explanation has been provided for this answer.
Non-polar molecules are held together by
co-ordinate bond
covalent bond
electromagnetic force
hydrogen bond
Van der Waals forces
Correct answer is E
No explanation has been provided for this answer.
The Ideal Gas Law is expressed mathematically as
P1 /T1 = P2/T2
P1/V1 = P2V2
PV =nRT
PV =KT
V1/T1 = V2/T2
Correct answer is C
The empirical relationships among the volume, the temperature, the pressure, and the amount of a gas can be combined into the ideal gas law, PV = nRT.
covalent
dative
electrovalent
hydrogen
metallic
Correct answer is C
No explanation has been provided for this answer.