Which is correct for an endothermic reaction?
ΔH is positive
ΔH is negative
ΔE is negative
ΔH = zero
For exothermic reaction
HR = Hp
HR > Hp
Hp >HR
All of these
Which of the following is an intensive property?
Temperature
Viscosity
Surface tension
Which of the following is not an endothermic reaction?
Dehydrogenation
Ethane to ethene
Combustion of propane
Change of chlorine molecule into chlorine atoms
Which equation is correct for adiabatic process?
Q = + W
ΔQ = 0
ΔE= Q
p + Δ V = 0
If W is the amount of work done by the system and q is the amount of heat supplied to the system, identify the type of the system
isolated system
closed system
open system
system with thermally conducting walls
In exothermic reaction, heat is
given out
absorbed
not involved
given out or absorbed
Which is included in thermodynamic equilibrium from the following?
Pressure equilibrium
Chemical equilibrium
Thermo equilibrium
A process in which the system does not exchange heat with the surrounding is known as
isothermal
isobaric
isochoric
adiabatic
One mole of an ideal gas is initially at 0o C and 1 atm pressure. If it absorbs 1000 cal heat during a reversible isothermal expansion, what will be its final volume?
102.5L
242.5L
22.4L
121.25L
