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Inessa05 [86]
4 years ago
15

Why are polar bears listed as a threatened species?

Chemistry
2 answers:
Jlenok [28]4 years ago
8 0
Because of global warming, as our ozone layer gets disrupted the ice caps are melting and the polar bear have no where to go
IceJOKER [234]4 years ago
5 0
Because their species is in danger of going extinct<span />
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iren [92.7K]
The atom has 7 neutrons and 8 protons....

because the positively charged particles are the protons ...and 8 is also the atomic number ...so number of neutrons can be calculated by subtracting atomic number from the mass number...which gives us the neutrons 7 ...
8 0
3 years ago
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Is each of these statements true? If not, explain why.(p) A bimolecular reaction is generally twice as fast as a unimolecular re
Ede4ka [16]

A bimolecular reaction typically takes twice as long as a unimolecular reaction. The answer is true

<h3>How is activation energy related to temperature?</h3>
  • Consider what must occur for ClNO2 to react with NO to understand why reactions have an activation energy.
  • First and foremost, these two molecules must clash in order to organise the system.
  • Not only must they be brought together, but they must also be kept in precisely the appropriate orientation relative to one other in order for the reaction to occur.
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learn more about bimolecular reaction refer

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5 0
2 years ago
A 10.0g sample of H2O(l) at 23.0degrees C absorbs 209 joules of heat. What is the final temp of the H2O(l) sample? Explain.
IRISSAK [1]

Answer:

Final temperature = 28.0 degrees C.

Explanation:

heat absorbed = mass * specific heat * rise in temperature.

The specific heat of water is 4.186 J /g/C so we have the equation

209 =  10 * 4.186 * x   where x is the temperature increase

41.86x = 209

= 5 degrees C.

7 0
3 years ago
Which of the following elements is a poor conductor of heat and electricity?
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The answer is B I’m pretty sure
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Molecular motion is a measure of the movement of the molecules in a substance. Molecular motion is substantially different betwe
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The answer would be "air, wood". Gases have the highest Kinetic energy and least Potential energy. Liquids have the 2nd highest Kinetic energy and 2nd least potential energy and solids have the least kinetic energy and highest potential energy.
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4 years ago
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