Please help me with this question. I don’t understand how to do it
1 answer:
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Following Aufbau rule and Hund principle, the order of filling of the orbitals is this:
So, the first, second, and fourth option are not correct.
The third option does meet the filling order.
Answer:
So, the first, second, and fourth option are not correct.
The third option does meet the filling order.
Answer:
Answer:
0.0185 min⁻¹
Explanation:
Using integrated rate law for first order kinetics as:
Where,
is the concentration at time t
is the initial concentration
Given:
20.0 % of the initial values is left which means that 0.20 of is left. So,
= 0.20
t = 87.0 min
<u>k = 0.0185 min⁻¹</u>
Refer periodic table
Pb= 207.2
N=14
O= 16
=331.2gmol
Pb= 207.2
N=14
O= 16
=331.2gmol