what evolved during the precambrian time period?

Even as mankind evolved from Neanderthals to humans, It has never officially withdrew its inherent...

How much heat is evolved when 267 g of ammonia gas condenses to a liquid at its boiling point?

How much energy is evolved when 2.65 mg of Cl(g) atoms adds electrons to give Cl1-(g) ions. No cl...

How much heat is evolved when 1258 g of water condenses to a liquid at 100.°C?

How much heat is evolved when 25.5 g of benzene freezes at 5.5 Celcius (molar heat of fusion is 9.94...

How much heat is evolved when 5.00g of propane C3H8 burns completely. I got the formula down, now...

How much heat is evolved when 6.688 moles of Cu(s) is burned in excess oxygen

How much heat is evolved when 878 kg of ammonia is produced according to the following equation?...

name the gas evolved when dil. Hcl reacts with sodium hydrogen cabonate. how it is recongnised ?...

Is there any other gas evolved during nitrogen fixation?If yes name them

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