Answer:
noble gases
Explanation:
because they are the most stable
The powerful machine LHC accelerates and steers billions of protons to collide with billions of other protons. ... But what really happens when protons collide? Protons consist of quarks bound by gluons, and in a head-on collision between two protons it is the constituent quarks and gluons that collide.
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Answer : The number of moles of water produced are, 1.5 moles
Explanation : Given,
Moles of
= 1 mole
The given balanced chemical reaction is,

By the stoichiometry we can say that, 4 moles of ammonia gas react with 5 moles of oxygen gas to produce 4 moles of nitric oxide and 6 moles of water as a product.
As, 4 moles of ammonia react to give 6 moles of water
So, 1 moles of ammonia react to give
moles of water
Therefore, the number of moles of water produced are, 1.5 moles