Chemistry Test ...

Based on the above equations, find out which of the relationship given below is correct.

Equal volumes of two monatomic gases, A and B at same temperature and pressure arc mixed. The ratio of specific heats (C_p/C_y) of the mixture will be

The enthalpy of fusion of water is 1.435 kcal/mol. The molar entropy change for the melting of ice at 0°C is

Enthalpy change for the reaction,

4H_(g) → 2H_2(g) is −869.6kJ

The dissociation energy of H - H bond is

Three moles of an ideal gas expanded spontaneously into vacuum. The work done will be

The electric charge for electrode deposition of one gram equivalent of a substance is:

The charge in coulombs of 1 gram of ion N³⁻

If a current of 0.50.5 ampere flows through a metallic wire for 2 h, then how many electrons would flow through the wire?

Standard electrode potential for Sn⁴⁺/Sn²⁺ couple is +0.15 V and that for the Cr³⁺/Cr couple is −0.74 V. These two couples in their standard state are connected to make a cell. The potential will be:

If the molar conductance value of Ca²⁺ and Cl⁻ at infinite dilution are respectively 118.88 × 10⁻⁴ m² mho mol⁻¹ and 77.33 × 10⁻⁴ m² mho mol⁻¹ then that of CaCl₂ is (in m² mho mol⁻¹ m² mho mol^-1)