two step equations variables

(2ax) 2 + 2(2ax)b +b 2 = b 2 - 4ac [Adding b 2 to both sides (square of the coefficient of x..

Separate the equation into two half reactions: The oxidation number of various atoms are shown below: In this case, chromium undergoes reduction, oxidation number decreases from +6 (in Cr 2 O ) to +3 (in Cr 3 + ) Fe 2 + (O.N. = +2) changes to ..

The given chemical equation is split into two or more partial equations. Each partial equation is separately balanced by the hit and trial method. These balanced partial equations are multiplied with suitable coefficients in order to exactly..

Multiply each fd by the corresponding d to get fd 2 and obtain S fd 2..

(2ax + b) 2 = b 2 - 4ac [a 2 + 2ab + b 2 = (a+b) 2..

The Boolean function can be written as: f(x 1 , x 2 , x 3 ) = x 1 x 2 x 3 + x 1 x 2 x 3 ' + x 1 x 2 ' x 3 + x 1 ' x 2 ' x 3 ' Since the following is represented by a Boolean expression, it is a Boolean functio..

The molecular mass (or molar mass) is obtained either from the experimental data or from the vapor density of the compound by using the relationship, Molecular mass = 2 x Vapor dens..

Express p 1 ,p 2 ,p 3 ...., Q in terms of p, q, ..

The increase in oxidation number of 2 per atom can be balanced with decrease in oxidation number of 1 per atom if Zn atoms are multiplied by 1 and HCl by 2. The equation will be..

Production of SO 2 from pyrites or sulphur..