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Ksju [112]
3 years ago
8

The atmosphere is made mostly of _____. oxygen nitrogen carbon dioxide hydrogen

Chemistry
2 answers:
Shkiper50 [21]3 years ago
4 0

Answer:

Nitrogen

Explanation:

It is the most abundant gas in the atmosphere.

Tcecarenko [31]3 years ago
4 0

Answer:

water vapor.....i think

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Write a nuclear reaction for the neutron-induced fission of u?235 to produce te?137 and zr?97. how many neutrons are produced in
alexandr1967 [171]
This is a neutron induced fission, therefore a neutron will be added to the U²³⁵ to cause the reaction, and thus it will be added to the left side. There will be unknown number of neutrons produced and thus we put this on the right hand side.
n₁ + U²³⁵ = Te¹³⁷ + Zr ⁹⁷ + xn1 ( n1 to mean a neutron of mass 1)
To balance the masses on both sides of the equation;
1 + 235 = 137 +97+ x
x = 2 
the end reaction will be
n₁ +U²³⁵ = Te¹³⁷ + Zr⁹⁷ + 2 n₁

4 0
3 years ago
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Explanation:

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3 years ago
What are some advantages of asexual reproduction when compared to sexual reproduction? What are some disadvantages of asexual re
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Answer:

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Explanation:

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