Which one of the following will have the largest number of atoms?
i. 1 g Au (s)
(ii) 1 g Na (s)
(iii) 1 g Li (s)
(iv) 1 g `Cl_2` (g)

The number of moles in 17 g of NH_3 (17 g mol_1 ) is

Which one of the following represents 1 g- molecule of the substance

Justify the following reactions are redox reaction : CuO(s) + H_2 (g) rarr Cu (s) + H_2O(g)

State whether the following statements are True or False. 1 dyn e=1g times (1cm)/s^2

If f (x) = 3x -1, g (x) =x ^(2) + 1 then f [g (x)]=

Justify the following reactions are redox reactions : 4BCl_3(g) + 3LiAIH_4 (s) rarr 2B_2H_6 (g) + 3LiCl(s) + 3AICl_3 (s)

For the following G.P.'s find t_n . sqrt(3) , 1 / sqrt(3) , 1 / (3sqrt(3)) , 1 / (9sqrt(3))

Which of the following reactions will get affected by increasing the pressure ?Also mention whether change will cause the reaction to go into forward or backward direction. CH_4(g) + 2S_2(g) hArr CS_2(g) + 2H_2S(g)