Answer:
The correct answer is option B.
Explanation:
![3NaOH+2NBr_3\rightarrow 3HOBr+3NaBr+N_2](https://tex.z-dn.net/?f=3NaOH%2B2NBr_3%5Crightarrow%203HOBr%2B3NaBr%2BN_2)
Moles of
= 40 mol
Moles of NaOH = 48 mol
According to reaction, 3 moles of NaOH reacts with 2 moles ![NBr_3](https://tex.z-dn.net/?f=NBr_3)
Then ,48 moles of NaOH will reacts with:
of ![NBr_3](https://tex.z-dn.net/?f=NBr_3)
Then ,40 moles of
will reacts with:
of NaOH
As we can see that 48 moles of sodium will completey react with 32 moles of nitrogen tribromide.
Moles left after reaction = 40 mol - 32 mol = 8 mol
Hence, the
is an excessive reagent.
The answer is A :) homogeneous!
It is made of only nonmetals is not true because there are other elements that form it.
Answer:
Explanation:
By Ideal Gas Law, P1*V1 / T1 = P2*V2 / T2
So new pressure = (P1*V1 / T1) / (V2 / T2)
= P1*V1*T2 / T1*V2
= 800*3.6*298 / 250*1.8
= 1907.2 mmHg
An atom of vanadium
(V) has 23 electrons.
Given :
A vanadium (V) atom with 23 protons and has a net charge of 0.
To find:
The number of electrons in a vanadium atom
Solution:
Number of protons in vanadium atom = 23
The 0 net charge on the atom indicates that the atom has an equal number of protons and electrons which makes it a neutral atom.
Number of electrons in vanadium atom = Number of protons in vanadium atom = 23
An atom of vanadium
(V) has 23 electrons.
Learn more about subatomic particles here:
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