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Murljashka [212]
3 years ago
13

No work is done when an energy transformation takes place. True or False

Chemistry
2 answers:
Finger [1]3 years ago
6 0
I would go with the statement is : False

-Hope this helps.

Roman55 [17]3 years ago
4 0
<span>No work is done when an energy transformation takes place, would be a false statement.
Reasoning: When you working energy is taking place.

HOPE THIS HELPS! ^_^</span>
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How does the ozone layer affect life on Earth?
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Why can't the reaction, ZnCl2 + H2 → Zn + 2HCI, occur naturally?
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How many moles are in NaOH?
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Calculate the number of moles of magnesium, chlorine, and oxygen atoms in 4.90 moles of magnesium perchlorate, Mg(ClO4)2.]\
Leviafan [203]

Answer:

 4.90  moles of  Mg(ClO_4)_2   will produce  (9.8) moles of  Cl^{-} ,

                                                    (4.90) moles of Mg^{2+} and

                                                    (39.2) moles of  O^{2-}

Explanation:

From the question we are told that

  The number of moles of  is  n =  4.90  \ mols

The formation reaction of Mg(ClO_4)_2  is

             Mg^{2+} + 2 Cl^{-} + 8O^{2+} \to Mg(ClO_4)_2  

From the reaction we see that

   1 mole of  Mg(ClO_4)_2  is formed by 2 moles of Cl^{-} 1 mole of  Mg^{2+} and 4  O^{2-}

 This implies that

   4.90  moles of  Mg(ClO_4)_2   will produce  (2 * 4.90) moles of  Cl^{-} ,

                                                    (1 * 4.90) moles of Mg^{2+} and

                                                    (8 * 4.90) moles of  O^{2-}

So

  4.90  moles of  Mg(ClO_4)_2   will produce  (9.8) moles of  Cl^{-} ,

                                                    (4.90) moles of Mg^{2+} and

                                                    (39.2) moles of  O^{2-}

                           

4 0
3 years ago
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