The Young’s Modulus of copper is 1.25×10^11N/m^2 A wire of this material has 1mm diameter. how much kg-weight should be suspended to produce 0.1% increase in the lenght of the wire ?
The salt which is least likely to be found in mineral is
A cell is prepared by dipping a chromium rod in 1M Cr2(SO4)3 solution and an iron rod in 1M FeSO4 solution. The standard reduction potentials of Chromium and Iron electrodes are -0.75 V and -0.45 V respectively. What will be the standard EMF of the cell?
The covalency of nitrogen in N2O5 is: