The inner diameter for a steel stack that exhausts 1,200 m3/min of gases at 1 atm and 400 k is 1.45 m
<h3>What is Stack Height ?</h3>
Stack height means the distance from the ground-level elevation at the base of the stack to the crown of the stack.
If a stack arises from a building or other structure, the ground-level elevation of that building or structure will be used as the base elevation of the stack.
Given is a steel stack that exhausts 1,200 cu.m/min of gases
P= 1 atm and
T= 400 K
maximum expected wind speed at stack height of 12 m/s
The formula for the diameter of chimney

Q =1200 cu.m/min
= 1200 * 0.0166 = 19.92 cu.m/sec
Velocity = 12m/s

d= 1.45 m
Therefore The inner diameter for a steel stack that exhausts 1,200 m3/min of gases at 1 atm and 400 k is 1.45 m.
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Nuclear power plant because that is a fission reaction and fusion would melt the power plant
Answer:
Ne
Explanation:
Atomic number of Ne is 10.
Electronic configuration of Ne:

Octet of Ne is complete . Element having complete octet are stable and behave ideal gas.
and
are reactive and hence, does not behave as ideal gas.
Answer : The correct option is, (b) 22.1 g
Solution : Given,
Mass of iron = 15.5 g
Molar mass of iron = 56 g/mole
Molar mass of
= 160 g/mole
First we have to calculate the moles of iron.

Now we have to calculate the moles of
.
The balanced reaction is,

From the balanced reaction, we conclude that
As, 2 moles of iron obtained from 1 mole of 
So, 0.276 moles of iron obtained from
mole of 
Now we have to calculate the mass of 

Therefore, the amount of
required are, 22.1 grams.