0.30 mole Zinc are added to hydrochloric acid containing 0.52 mole HCl. How many moles of `H_2` are produced?
`Zn_(s) + HCl_(aq) rarr ZnCl_(2(aq)) + H_(2(g))`

Identify the limiting reagent in the above reaction. Zn_(s) + HCl_(aq) rarr ZnCl_(2(aq)) + H_(2(g))

Write the half reactions for the following redox reaction. Zn(s) + 2H^+ (aq) rarr Zn^(2+) (aq) + H_2(g)

How many moles of methane are required to produce 22 g CO_2 (g)after combustion ?

For decolorisation of 1 mole' of 'KMnO4 the moles of 'H2O2' required is

The molecular mass of water (H_2O) is 18. How many moles of molecules are there in 180g of H_2O ?

How many equivalents per mole of H_(2) S are there in its oxidation to SO_(2) ?

Is the chemical reaction given below wrong? Explain the reason: Cu(s)+2HCl(aq) rarr CuCl_2 (aq)+H_2(g)

Balance the following chemical equations. Zn + HCl rarr ZnCl_2 + H_2

Calcium carbonate reacts with aqueous HCl to give CaCl_2 and CO_2 according to the reaction. CaCO_(3(s)) + 2HCl _(aq) rarr CaCl_(2(aq)) + CO_(2(g)) + H-2O_(l) What mass of CaCO_3 is required to react completely with 25 ml of 0.75 M HCl?