Question

1 mol of n2 and 4 mol of h2 are allowed to react in a vessel and after reaction h2o is added. Aqueous solution required 1 mol of hcl. Moles of h2 left in the mixture after reaction is

Answer 1

Explanation:

The centre of mass of a system of particles; The centre ... of a rigid body: I The moment of a force about a fixed axis; The ...... expect this to be at 0, the centre of the disc.