The SSL_CHEmical equation of the manufacture of ammonia is N_(2(g)) + 3H_(2(g)) rarr 2NH_(3(g)) Calculate the amount of H_2 required to react with 28 g of N_2 completely. [Hint : Molecular mass of N_2 = 8, H_2 = 2]

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?