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)

Identify the oxidant and reductant in the following reactions. a) 'Zn(s)+ 1/2 O_2(g) rarr ZnO(s)' b) 'C H_4(g)+4 Cl_2(g) rarr CCl_4(g)+4 HCl(g)' c) 'I_2(a q)+2 S_2 O_3 ^(2-)(a q) rarr 2 I(a q)+S_4 O_6^(2-)(a q)' d) 'Zn(s)+2 H^+(a q) rarr Z n^(2+)(a q)+H_2(g)'

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?

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 oxidants and reductants in the following reactions. a. CH_4(g)+4 Cl_2(g) rarr C Cl_4(g)+4 HCl(g) b. 2 H^+(aq)+MnO_2(s)+C_2 H_2 O_4(aq) rarr Mn^(2+)(aq)+2 CO_2(g)+2 H_2 O(l) c. Cl_2(g)+2 Br^-(aq) rarr 2 Cl^-(aq)+Br_2(aq)

Justify that the following reaction is a redox reaction H_2S_(g) + Cl_(2(g)) rarr 2HCl_(g) + S_(s)

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

Complete the following reaction. (Zn_(s) + NaOH_(aq) rarr^(heat) ……………….)

Identify the oxidant and reductant in the following reaction: 2K_4[Fe(CN)_6](aq) + H_2O_2(aq) rarr 2K_3[Fe(CN)_6](aq) + 2KOH (aq)

Find out the oxidising agent and reducing agent in the following reaction: Cu(s)+2Ag^(+) (aq)rarr Cu^(2+) (aq) + 2Ag(s)