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notsponge [240]
3 years ago
13

What happens to the amount of energy when it is transferred from potential to kinetic?

Chemistry
1 answer:
photoshop1234 [79]3 years ago
5 0
Well it’s simple science not rocket science when an object falls. It’s gravitational potential turns into kinetic.
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When iron metal reacts with oxygen, the reaction can form Fe2O3. Write a balanced chemical equation for this reaction, and find
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<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

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Explanation:

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What is simple displacement reaction???give examples.
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Which of the following describes a homogeneous mixture? (2 points) Question 18 options: 1) It can be separated by chemical means
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