Which of the following is a solid at room temperature?
Argon
Bromine
Chlorine
Fluorine
Iodine
Correct answer is E
No explanation has been provided for this answer.
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.