Chemistry

17.0g of NH₃ completely vapourises at -33.42°C and 1 bar pressure and the enthalpy change the process is 23.4 kJ mol^-1. The enthalpy change for the vapourisation of 85g of NH₃ under the same conditions is_____ kJ.

Geraniol, a volatile organic compound, is a component of rose oil. The density of the vapour is 0.46 gL^-1 at 257°C and 100 mm Hg. The molar mass of geraniol is___________ g mol^-1 (Nearest Integer).

[Given R = 0.082 L atm K^-1 mol^-1]

Kindly consider the following equation

In the presence of sunlight, benzene reacts with Cl₂ to give product, X. The number of hydrogens in X is_______________.

The difference between spin only magnetic moment value of $\left[Co{\left(H_{2}O\right)}_{6}C{l}_{2}andCr{\left(H_{2}O\right)}_6\right]C{l}_3$  is _______________.

The difference between spin only magnetic moment value of $\left[Co{\left(H_{2}O\right)}_{6}C{l}_{2}andCr{\left(H_{2}O\right)}_6\right]C{l}_3$  is _______________.

For a reaction A--> 2B + C the half lives are 100s and 50s when the concentration of reactant A is 0.5 and 1.0 mol L^-1 respectively. The order of the reaction is _____________. (Nearest (Integer)

The amount of charge in F (Faraday) required to obtain one mole of iron from Fe₃O₄ is __________. (Nearest Integer)

At 298 K, the equilibrium constant is 2 * 10¹⁵ for the reaction:

Cu(s) + 2Ag⁺(aq)   $\rightleftharpoons$ Cu²⁺(aq) + 2Ag(s)

The equilibrium constant for the reaction

$\frac{1}{2}C{u}^{2+}\left(ag\right)$ + Ag(s)    + Ag⁺ (aq)

is x * 10^-8. The value of x is _____________. (Nearest Integer)

When 800mL of 0.5 M nitric acid is heated in a beaker, its volume is reduced to half and 11.5g of nitric acid is evaporated. The molarity of the remaining nitric acid solution is x * 10^-2M. (Nearest Integer)

(Molar mas of nitric acid is 63g mol^-1)