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madam [21]
3 years ago
13

Draw the most reasonable lewis structure of a molecule that contains a n atom, a c atom, and a h atom. include any formal charge

s if needed
Chemistry
1 answer:
faust18 [17]3 years ago
4 0
H:C:::N: (hydrogen cyanide). All atoms have formal charge of 0.
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Are particles in gas close together ​
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Solid particles are close together not gas particles

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What roles and responsibilities do the media have in reporting human right violation in a responsible manner
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You're question is similar to this one: brainly.com/question/3611487

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If the mass of a box is 140 g, and the volume is 8 cm3, then the density of the box = ? socratic.org
Ksivusya [100]

Answer:

17.5 g/cm³

Explanation:

We can solve this particular problem by keeping in mind the <em>definition of density</em>:

  • Density = mass / volume

As the problem gives us both <em>the mass and the volume</em> of the box, we can now proceed to <u>calculate the density</u>:

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The density of the box is 17.5 g/cm³.

4 0
2 years ago
When iron metal reacts with oxygen, the reaction can form Fe2O3. Write a balanced chemical equation for this reaction, and find
I am Lyosha [343]
<h3>Answer:</h3>

Balanced equation: 4Fe + 3O₂ → 2Fe₂O₃

Moles of oxygen gas = 9 moles

<h3>Explanation:</h3>

To answer the question;

  • We first write the balanced equation between iron metal and Oxygen
  • The balanced equation is given as;

4Fe + 3O₂ → 2Fe₂O₃

  • We are given 6 moles of Fe₂O₃

We are required to determine the number of moles of oxygen needed to form 6 moles of Fe₂O₃.

  • From the equation, 3 moles of oxygen gas reacts to produce 2 moles of Fe₂O₃
  • This means, the mole ratio of O₂ to Fe₂O₃ is 3 : 2

Therefore; Moles of O₂ = Moles of Fe₂O₃ × 3/2

Hence, moles of oxygen = 6 moles × 3/2

                                         = 9 moles

Thus, Moles of Oxygen needed is 9 moles

6 0
2 years ago
What relationship exists between two variables when their ratio is a constant? a negative slope a direct proportion an inverse p
Verdich [7]
Direct proportion

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2 years ago
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