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OverLord2011 [107]
3 years ago
10

Which statement best describes the energy in this sistem?

Chemistry
1 answer:
vredina [299]3 years ago
5 0

Answer:

The kinetic energy in the system is greatest at X.

Explanation:

not ure but hope it helps

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Answer Quick
kow [346]

Answer:

20.9%

Explanation:

  • The percentage by mass of solution is given by dividing the mass of solute in grams by the mass of solution in grams then multiplying it by 100%.

% Mass of solution = mass of solute/mass of solution × 100%

                               = (27.0 g/ 129.0 g) × 100%

                               = 20.93%

                               = 20.9%

7 0
3 years ago
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A paper placed in between two books can be quickly pulled out without moving the books.which statement explains this phenomenon
Snowcat [4.5K]
<span>d, The books have a great deal of inertia and do not move easily.</span>
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4 years ago
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The decomposition of hydrogen peroxide is catalyzed by iodide ion. The catalyzed reaction is thought to proceed by a two-step me
slega [8]

Answer:

The two-step mechanism is a slow mechanism and a fast mechanism. When we combine them, the result is

2H₂O₂ (aq) ⇒2H₂O (l) + O₂ (g)

Explanation:

We know that the decomposition of hydrogen peroxide is catalyzed by iodide ion, which means that the iodide ion will react with the hydrogen peroxide. There is a slow mechanism and a fast one:

H₂O₂(aq) + I₋(aq) ⇒ H₂O(l) + IO₋(aq) this is the slow reaction

IO₋(aq) + H₂O₂(aq)⇒ H₂O(l) + O₂(g) + I₋ (aq) this is the fast reaction

If we cancel the same type of molecules and ions, the final result is:

2H₂O₂ (aq) ⇒2H₂O (l) + O₂ (g)

3 0
4 years ago
What is the chemical name of the compound
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A.) ammonium thiocyanate
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Which of the following is the best conductor of electricity
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Nacl aq. is the best conductor of electricity as in aques state the ions become lose or mobile which are free to move and conduct electricity.
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