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olga nikolaevna [1]
3 years ago
6

Who holds the public property rights

Chemistry
2 answers:
lidiya [134]3 years ago
5 0

The correct option is B. Government

Hope this helps you

-AaronWiseIsBae

Citrus2011 [14]3 years ago
3 0

The answer to your question is,

B. Government.

-Mabel <3

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Jennie decides to mix the content of her beaker with another lab group to see “the results.” Is this safe why or why not explain
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Answer: no

Explanation:

It could be dangerous since you don't know what substance are you adding.it may end up in an explosion

I hope this helps :)

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If I have 450 grams of Iron, how many moles of Iron do I have
Alborosie

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The answer is A: 0.8 moles

Explanation:

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Nitrogen us a component of all​
Ede4ka [16]

Answer:

amino acids and urea

Explanation:

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3 years ago
I need help with this plz help
schepotkina [342]

Answer:

\rm ^{103}_{\phantom{1}40}Zr, zirconium-103.

Explanation:

In a nuclear reaction, both the mass number and atomic number will conserve.

Let ^{A}_{Z}\mathrm{X} represent the unknown particle.

The mass number of a particle is the number on the upper-left corner. The atomic number of a particle is the number on its lower-left corner under the mass number. For example, for the particle ^{A}_{Z}\mathrm{X}, A is the mass number while Z while Z is the atomic number.

Sum of mass numbers on the left-hand side of the equation:

\underbrace{239}_{^{239}_{\phantom{2}94}\mathrm{Pu}} + \underbrace{1}_{^{1}_{0}\mathrm{n}} = 240.

Note that there are three neutrons on the right-hand side of the equation. Sum of mass numbers on the right-hand side:

\underbrace{A}_{^{A}_{Z}\mathrm{X}} + \underbrace{134}_{^{134}_{\phantom{2}54}\mathrm{Xe}} + \underbrace{3\times 1}_{3\;^{1}_{0}\mathrm{n}} = A + 137.

Mass number conserves. As a result,

A + 137 = 240.

Solve this equation for A:

A = 103.

Among the five choices, the only particle with a mass number of 103 is \rm ^{103}_{\phantom{1}40}Zr. Make sure that atomic number also conserves.

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3 years ago
Explain the term lattice energy as applied to ionic solids
Elena-2011 [213]

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The lattice energy is the energy required for the atoms of an element to attract to each other therefore making it a solid

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