In the reaction N_(2)O_(4) hArr 2NO_(2), the dissociation of N_(2)O was found to be 40 per cent at equilibrium when the reaction is conducted in a 2 L container at 300 K. Find the equilibrium constant and the number of moles of reactants and products.

What type of questions asked from the lesson of magnetic effect of electric current 

Wavelength of green light is

A) 400-450 nm

B) 500-550 nm

C) 660-720 nm

D) 720-800 nm

What is the difference between anaerobic & aerobic respiration? Name some organism that uses the aerobic mode of respiration?

What are the main components of our environment? Explain each of them briefly.

What are examples of hydrotropism plants?