How many `H^(+)` ions are required when the equation below is balanced with the smallest whole number coefficients?
`Cu(s)+NO+_(3)^(-)` (aq) `+H^(+)` (aq) `rarrCu^(2+)` (aq) `+NO(g)+H_(2)O(l)`

What is the coefficient for Zn when the equation below is balanced with the smallest whole number coefficient? Zn+H^(+)(aq)+NO_(3)^(-)(aq)rarrZn^(2+)(aq)+N_(2)O(g)+H_(2)O(l)

What is the coefficients of I_(2) (s) when the reaction below is balanced with smallest whole number coefficients? ____ Cr_2O_(7)^(2-)(aq)+"____" .^(-)(aq)+"____"H^(+)(aq)to"_____"I_(2)(s)+"___"Cr^(3+)(aq)+"___"H_(2)O(l)

O_(3)(g)+I^(-)(aq)+H_(2)O(l) to

Write the expression of K_(c) for the reactions: 3Cu(s)+2NO_(3)^(-)(aq)+8H^(+)(aq)hArr3Cu^(2+)(aq)+2NO(g)+4H_(2)O(l)

When the equation below is balanced correctly using the simplest whole number coefficients, what is the coefficient for CO_(2)(g) ? __ Cr_(2)O_(7)^(2-)(aq)+ __ H_(2)C_(2)O_(4)(aq)+ __ H_(2)O(l)rarr __ Cr^(3+)(aq)+ __ CO_(2)(g)+ __ H_(2)O(l)

Balance the following equation by the half reaction method. Fe^(2+) (aq) + Cr_2O_7^(2-) (aq) +H^(+) (aq) rarr Fe^(3+) (aq) + Cr^(3+) (aq) +H_2O (I)

Complete the chemical equations : MnO_4^(-) (aq) + S_2O_3^(2-)(aq) + H_2O (l) to

Balance the following equations in basic medium by ion-electron method and oxidation number methods and identify the oxidising agent and the reducing agent. (a) P_(4)(s) + OH^(-) (aq) rarr PH_(3) (g) + HPO_(2)^(-) (aq) (b) N_(2)H_(4)(I) + ClO_(3)^(-) (aq) rarr NO(g) + Cl^(-) (g) (c) Cl_(2)O_(7) (g) + H_(2)O_(2) (aq) rarr ClO_(2)^(-) (aq) + O_(2)(g) + H^(+)