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gladu [14]
2 years ago
6

Temperature change chemical reaction example

Chemistry
1 answer:
boyakko [2]2 years ago
3 0

Answer:

The heating and melting of candle wax

Explanation:

It heats up, but when cooled it hardens and cannot be put back into its original form.

Hope this helps

Please mark me as Brainliest

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Green plants use light from the Sun to drive photosynthesis, a chemical reaction in which liquid water and carbon dioxide gas fo
san4es73 [151]

Answer:

                    1.8 moles of O₂

Explanation:

                     The balance chemical equation for said double replacement (photosynthesis) reaction is as follow;

                           6 CO₂ + 6 H₂O → C₆H₁₂O₆ + 6 O₂

According to balance chemical equation,

                 6 moles of O₂ are produced by  =  6 moles of CO₂

So,

                1.8 moles of O₂ will be produced by  =  X moles of O₂

Solving for X,

                     X =  1.8 mol × 6 mol / 6 mol

                     X =  1.8 moles of O₂

Stoichiometric problems in which moles are given and moles or other reactant or product asked are the simplest problems. One should only write the balanced chemical equation and perform above method to find the required moles.

8 0
3 years ago
What happens to a glass of water as the average molecular kinetic energy of the water molecules increases?
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"The water becomes warmer."
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Nuclear reactions are those that involve the nucleus of an atom. Nuclear fission involves the splitting of an atomic nucleus and the formation of two distinct atomic species. Nuclear fusion is indeed the combining of two atomic nuclei in order to form a single atomic species. Therefore the answer to the question is true. 
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Answer:

The metal that spontaneously reacts with NiCl₂ is Zn solid.

Explanation:

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