Enthalpies of formation of `CO_((g)), CO2_((g))N_2O_((g)) 4 N_2O_(4(g))` are -110, -393.81 & 9.7 KJ mol'1 respectively find the value of H for the reaction. `N_2O_4 + 3CO_((g)) rarr N_2O_((g)) +3CO_2`,

If the standard molar enthalpy of formation of CaO_((s)), CO_(2(g)) "and" CaCO_(3(s)) is -635, -393 "and" -1207 kJ mol^-1 respectively, the Delta_r H^@ in kJ mol^-1 for the reaction CaCO_(3(s)) to CaO_((s)) + CO_(2(g)) is ________ .

Heat of formation of H_2 O_((l)), CO_(2(g)) "and" C_2 H_(4(g)) are -285.0, -399.0, and 69.9 kJ/mole respectively. The heat of combustion of ethylene is _________ .

The standard heats of formation for C Cl_(4(g)) , H_2O_((g)) , CO_(2(g)) and HCl_((g)) are -25.5 , -57.8 , -94.1 and -22.1 kcal respectively. DeltaH for the reaction, C Cl_(4(g))+2H_2O_((g)) to CO_(2(g)) + 4HCl_((g)) at 298 K is__________.

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

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

Write molecularity of the following reaction: 2NO_(g)+O_(2(g))rarr2NO_(g)

Write the expression for: 2 N_2O(g)rarr 4 NO_2(g) + O_2(g) ?

Write expressions of k_c for following chemical reactions. N_2 O_4(g) harr 2NO_2(g) .

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

The order of the reaction 2NO_(g)+O_(2(g))rarr 2NO_(2(g)) having Rate = k[NO_2]^2[O_2] is