H2O is the substance that has the strongest intermolecular forces.
Answer:
One mole of U238 ( 6.022 X 10^23 atoms) is 238 grams; one mole of U235 is 235 grams. The difference in molecular weight between a mole of U235 and U238 is 3 grams, the secret to enriching uranium.
Explanation:
Answer:
The Earth's atmosphere is 78% nitrogen gas or N2. Even though there is so much nitrogen in the air, there is very little in the Earth's crust. It can be found in some fairly rare minerals such as saltpeter. Nitrogen can also be found in all living organisms on Earth including plants and animals.
Explanation:
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The physical state of water at the following temperatures are :
- 125° C = Gaseous state (Steam)
- -24° C = Solid state (Ice)