State whether `DeltaS` is positive, negative or zero for the reaction `2H(g)rarr H_2(g)`. Explain.

State whether DeltaS is positive, negative or zero for the following reactions. 2H_2(g)+O_2(g)rarr2H_2O_(I)

DeltaH for the reaction 2H_(g) rarr H_2(g) will be

State whether DeltaS is positive, negative or zero for the following reactions. CaCO_3(s)oversetDeltararrCaO(s)+CO_2(g)

Explain what is positive, negative and zero acceleration.

Calculate the heat of reaction at 298 K for the reaction C_2H_(4(g)) + H_2(g) rarr C_2H_(6(g)) given the heats of combustion of ethylene, hydrogen and ehane are 337.0,68.4 and 373.0 kcal respectviely.

The elementary reaction O_3(g) + O(g) rarr 2 O_2(g) is

The molecularity and order of the reaction 2NO_(g)+O_(2(g)) rarr 2NO_(2(g)) are_____respectively.

If for a reaction, DeltaH is negative and DeltaS is positive then the reaction is

Identify the type of reaction 2H_(2(g))+O_(2(g))rarr2H_2O_((I))

The difference between heats of reaction at constant pressure and constant volume for the reaction 2C_6H_(6(i)) + 15O_(2(g)) rarr 12CO_(2(g)) + 6H_2O((I)) at 25^@C in kJ is