Na2CO3(g) + 2HCl(aq) → 2NaCl(aq) + H2O(l) + CO2(g) How many moles of sodium trioxocarbonate (IV) are there in a 25 cm3 solution which required 10cm3 of 0.05...

5SO2(g) + 2KMnO4(aq) + 2H2O(l) → K2SO4 + 2MnSO4(aq) + 2H2SO4(aq) In the reaction above, the products give a

2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g) In the reaction above, the mass of carbon(IV)oxide produced on burning 78 g of ethyne is [C =12, O = 16, H = 1]

In the electrolysis of CuSO4(g) using platinum electrodes, the reaction at the anode is

Zinc and carbon rods are used as anode and cathode respectively in a

The solution that will conduct the highest amount of electricity is

The ion that can be used as an oxidizing agent is

If the heat of combustion of hydrogen is -285.8kJ, What is the heat of formation of water?

If 30cm3 of gas at 50oC is warmed to 80o at a fixed pressure, the fractional increase in volume is