Which of the following is always negative for exothermic reaction?

 

Thermodynamically the most stable form of carbon is

Which of the following gas yields minimum work  when 1 kg of the particular gas is expanded under 500 kPa to 200 kPa pressure at 0^oC ?

For an endothermic reaction, energy of activation is Ea and enthalpy of the reaction is  ΔH (both of these in KJ/mol). Minimum value of Ea will be 

Which of the given properties depends on the manner in which a change is brought about?

 i.  ΔE     ii.  q     iii.w 

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 

Which of the following is the correct option for free expansion of an ideal gas under adiabatic condition?

The temperature of the system decreases in an 

One mole of an ideal gas is initially at 0^o C and 1 atm pressure. If it absorbs 1000 cal heat during a reversible isothermal expansion, what will be its final volume ?

Which equation is correct for adiabatic process?