Answer:
606 atoms
Explanation:
Add the numbers 145 + 293 + 168
Answer:
D
Explanation:
This explains how two noble gases molecules can have an attractive force between them.
This force is called as van dar Waals forces.
It plays a fundamental role in fields in as diverse as supramolecular chemistry structural biology .
If no other forces are present, the point at which the force becomes repulsive rather than attractive as two atoms near one another is called the van der Waals contact distance. This results from the electron clouds of two atoms unfavorably coming into contact.[1] It can be shown that van der Waals forces are of the same origin as the Casimir effect, arising from quantum interactions with the zero-point field.[2] The resulting van der Waals forces can be attractive or repulsive.[3] It is also sometimes used loosely as a synonym for the totality of intermolecular forces.[4] The term includes the force between permanent dipoles (Keesom force), the force between a permanent dipole and a corresponding induced dipole (Debye force), and the force between instantaneously induced dipoles
V=abc
a = 2,3cm
b=12,2mm = 1,22cm
c = 0,75inch = 1,905cm
V = 2,3cm*1,22cm*1,905cm ≈ 5,35cm³
72.0726 is the percent for carbon
The disease prevention methods are as follows:
- Influenza: Avoid close contact with sick people; Cover your mouth and nose, Clean your hands
- Salmonella: wash hands properly; keep food area clean; cook food properly
- Type 2 Diabetes : exercise regularly; reduce sugar intake; quit smoking
- HIV/AIDS: Avoid sharing of unsterilized sharp objects; avoid unprotected sex; screen blood before transfusion
- Heart disease: avoid trans fat; exercise regularly; avoid smoking
- Whooping cough: wear face masks; wash regularly; get vaccinated
<h3>What is the disease prevention?</h3>
Disease prevention refers to the steps taken to protect oneself from developing a particular disease.
The disease prevention methods for the given diseases is as follows:
- Influenza: Avoid close contact with sick people; Cover your mouth and nose, Clean your hands
- Salmonella: wash hands properly; keep food area clean; cook food properly
- Type 2 Diabetes : exercise regularly; reduce sugar intake; quit smoking
- HIV/AIDS: Avoid sharing of unsterilized sharp objects; avoid unprotected sex; screen blood before transfusion
- Heart disease: avoid trans fat; exercise regularly; avoid smoking
- Whooping cough: wear face masks; wash regularly; get vaccinated
In conclusion, disease prevention is the best policy in health care.
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