Molecules with large molecular weights will not have potential inhalation hazards.
It is because molecules that have large molecular masses will also have a high boiling point. Now boiling point and vapor pressure are inversely related. So the vapor pressure of such molecules will be very low. Hence, there will no vapors available for inhalation.
A high molecular weight will increase the effective resistance of the fabric. The better diploma of entanglement manner that will rupture, the more polymer bonds need to be broken, because of this, the polymer can take in more electricity earlier than failing. Excessive molecular weight will increase the chemical resistance - to some extent.
Hence, these will not cause inhalation hazards.
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In diatomic molecule, the distance between the centers of two atoms is 1.22 .
Converting to m:
Since, 1 =
Thus,
1.22 =
Now, Converting m to feet:
1 m=3.28 feet
Thus,
Therefore, distance in feet is
Answer:
Oceans
Explanation:
Using their ocean currrents
Answer:
B. A worker should not feel air moving around the chemical hood.
Explanation:
Hello!
In this case, since chemical hoods are used to remove the hazardous vapors given off by volatile chemicals, the idea is that the workers do not get in contact, in anyway, with those vapors as they can affect their health and safety at the laboratories.
It means that options A and C are ruled out because they describe an scenario in which the worker is in contact with the vapors and also because the vapors are removed via a fan system that withdraws the vapors.
Therefore the correct option is B. A worker should not feel air moving around the chemical hood.
Best regards!