Answer: Being trampled by the animals of nature
Explanation:
The animals walk over the sand and it is compacted more and more
Im pretty sure the answer is false
Look on page 293 of your textbooks to fact check.The symbol for an alpha particle is 4/2 He.The super- script (4) is the mass number (the sum of the numbers of protons and neutrons).The subscript (2) is the atomic number (the number of protons).
Therefore the answer should be: Super-script 4 is the mass number, Subscript 2 is the atomic number
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Answer:
Explanation:
I'm not sure what you mean by science, but I'll assume it's physics.
A trough, non scientifically is a narrow open container for animals to eat or drink out of.
Eg: The pigs drank water out of their small metal trough.
If you mean physics then the Trough is the lowest point on a wave.
Eg: The distance between two troughs on a wave was 14cm which is its wavelength.
Hope this helps :)
Answer:
a)Li (liquid)
b) CH₃OCH₃ (liquid)
c) Xe (gas)
d) CO₂ (gas)
e) O₃ (gas)
f)N₂O₄ (gas)
Explanation:
Entropy is the measure of the degree of randomness in a thermodynamic system.
The entropy of gases is more than liquids and the entropy of liquids are more than solids. This is because gases are weakly held and posses higher degree of randomness and solids are mostly ordered.
a)Li (liquid)
Liquids are less ordered than solids, therefore greater entropy
b) CH₃OCH₃ (liquid)
It has weaker intermolecular forces, so molecules are in less fixed position when compared to C₂H₅OH (liquid) which posses hydrogen bonding. So, CH₃OCH₃ has greater entropy
c) Xe (gas)
It has greater value of molar mass than Ar (g), therefore Xe (g) has greater entropy .
d) CO₂ (gas)
It has greater molar mass than CO (gas); therefore CO₂ (gas) has greater entropy.
e) O₃ (gas)
It not only does O₃ have a greater molar mass than O₂ (gas) but also, it is more complex that O₂ which means that it can exhibit more vibrational motion; therefore O₃ (g) has greater entropy.
f)N₂O₄ (gas)
It has greater molar mass than NO₂(g) ; therefore N₂O₄(g) has greater entropy.