Predict in which of the following entropy increase/decrease.
(ii) `CaCO_3(s) rarr CaO(s) + CO_2(g)`

Predict in which of the following entropy increase/decrease. (i) A liquid crystallizes in to a solid.

Which of the following quantities has S.I. unit Kgm^(2)A(-2)S(-3)

Calculate the standard cell potential of the Galvanic cell in which the following reaction takes place: 2Cr(s) + 3Cd^(2+)(aq) rarr 2Cr^(3+)(aq) + 3Cd(s) . Also calculate the Delta_rG and equilibrium constant of the reaction.

Which of the following is not a unit of Young’s Modulus?

Identify the substances that are oxidised and the substances that are reduced in the following reactions. CuO (s) + H_2 (g) rarr Cu (s) + H_2O (l)

choose the correct answer The stoichiometric co-efficient for the following reaction C_3H_8(g)+ O_2(g) rarr CO_2(g) + H_2O(l)

Arrange the following in the increasing order. (ii) Cl^- , S^(2-) , K^+ , Ca^(2+) (ionic radius )

The cell in which the following reaction occur. 2Zn(s)+2Cu^(2+)(aq) rarr 2Zn^(2+)(aq)+2Cu(s)E_(cell)^@=1.10 volt at 298K. Calculate the standard Gibbs energy and the equilibrium constant.