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Sergio [31]
2 years ago
9

Which is most complicated to separate?​

Chemistry
1 answer:
Sergio [31]2 years ago
7 0

Answer: Atoms are the hardest substance to separate

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What is the asteroid's name?<br> a. Bubbles<br> b. Carl<br> c. Bennu<br> d. Rex
castortr0y [4]

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I would say Bennu

Explanation:

Hope this was correct! Let me know if i need to correct it please =w=

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How are flagella and cilia alike?
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H2 + NO → H2O + N2<br><br><br> If 180.5 grams of N2 are produced, how many grams of H2 were reacted?
Lena [83]

Answer:

12.89 moles

Explanation:

Before we solve the question, we have to balance the equation of the reaction first. The balanced reaction will be:

2 NO + 2 H2→ N2 + 2 H2O

There are 180.5g of N2 produced, the number of produced in moles will be: 180.5g / (28g/mol)= 6.446 moles

The coefficient of H2 is two and the coefficient of N2 is one. Mean that we need two moles of H2 for every one mole of N2 produced. The number of H2 reacted will be: 2/1 * 6.446 moles = 12.89 moles

6 0
3 years ago
Make the selection that best completes the sentence.
mylen [45]
The answer would be C. in an ellipse

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Write the formula for a complex formed between zn2 zn2 and nh3nh3 with a coordination number of 3.
fredd [130]

Triammine zinc sulfate is the formula for a compound produced between zn2 and nh3 with a coordination number of 3.

<h3>Steps</h3>

Zinc atoms are present in the +2 oxidation state in zinc sulfate (ZnSO4).

Thus, a coordination complex formed by three ammonia ligands and zinc sulfate can be shown below.

NH3 + ZnSO4 = [Zn(NH3)] SO4

In its ionic form, this equation can be expressed as

Zn²⁺ + 3NH₃ = [Zn(NH₃)₃]²⁺

<h3>Coordination number: what is it?</h3>

The number of atoms, ions, or molecules that a central atom or ion in a complex, coordination compound, or crystal holds as its closest neighbors.

<h3>What is a good illustration of a coordination number?</h3>

For instance, [Cr(NH3)2Cl2Br2] has the core cation Cr3+, which is referred to as hexacoordinate and has a coordination number of 6.

learn more about coordination number here

brainly.com/question/12498196

#SPJ4

3 0
2 years ago
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