For a reaction `2NaHCO_3(s) hArr Na_2CO_3(s) +H_2O(I)+CO_2(g), Deltan` is …………….

For the reaction CaCO_(3(s)) hArr CaO_((s))+CO_(2(g))k_p is equal to

Upon heating, baking soda (sodium hydrogen carbonate) decomposes according to the equation: 2NaHCO_(3)(s) to Na_(2)CO_(3)(s) + H_(2)O(l) + CO_(2)(g) In an experiment, 8.4 g baking soda decomposes and carbon dioxide gas is collected. What would be the volume of CO_(2) measured at STP? (R.A.M. : Na = 23 , H = 1, C = 12 , O = 16)

The equilibrium constant K_(c) for the reaction, 2NaHCO_(3)(s)hArrNa_(2)CO_(3)(s)+CO_(2)(g)+H_(2)O(g)

For the reaction CaCO_3(s) hArr CaO(s) +CO_2(g) , the pressure of CO_2 depends on

Calculate the pressure of CO_(2) gas at 700 K in the heterogenous equilibrium reaction CaCO_(3)(s) hArr CaO(s)+CO_(2)(g), if DeltaG^(ɵ) for this reaction is 130.2 kJ mol^(-1) .

6.2g of a sample containing Na_2CO_3, NaHCO_3 and non-volatile inert impurity on gentle heating loses 5% of its mass due to reaction 2NaHCO_3 rarr Na_2 CO_3 + H_2 O + CO_2 . Residue is dissolved in water and formed 100mL solution and its 10mL portion requires 7.5 mL of 0.2M aqueous solution of BaCI_2 for complete precipitation of carbonates. Determine mass (in gram) of Na_2 CO_3 in the original sample.

In how many of the following entropy increases? {:((a) N_(2(g)) + 3H_(2(g)) rarr 2NH_(3(g)),(b)PCl_(5(g)) rarr PCl_(3(g)) + Cl_(2(g))),((c ) H_(2)O_((s)) rarr H_(2)O_((g)),(d)H_(2)O_((l)) rarr H_(2)O_((g))),((e ) 2NaHCO_(3(s)) rarr Na_(2)CO_(3(s)) + H_(2)O_((g)) + CO_(2(g)),(f ) NH_(2)CO_(2)NH_(4(s)) rarr 2NH_(3(g)) + CO_(2(g))),((g) H_(2)O_((l)) rarr H_(2)O_((s)),(h) CO_(2(s)) rarr CO_(2(g))):}

Balance the following equation : NaHCO_3 to Na_2CO_3 + H_2O + CO_2 .

Given the standard enthalpies at 298 k in kj/mol for the following two reactions Fe_2O_(3(s))+3/2C_(s) hArr 3/2CO_(2(g))+2Fe DeltaH=+234 …………(1) C_(s)+O_(2(g)) hArr CO_(2(g)) DeltaH=-393 the value of DeltaH for 4Fe_((s))+3O_(2(g))hArr 2Fe_2O_3 is