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Neporo4naja [7]
3 years ago
12

Which substance in the reaction below either appears or disappears the fastest? 4NH3 + 7O2 → 4NO2 + 6H2O Which substance in the

reaction below either appears or disappears the fastest? 4NH3 + 7O2 4NO2 + 6H2O H2O NO2 O2 NH3 The rates of appearance/disappearance are the same for all of these.
Chemistry
1 answer:
GREYUIT [131]3 years ago
7 0

Answer:

Oxygen will disappear the fastest as 7 moles is the largest stoichiometric coefficient,

Explanation:

Oxygen would disappear 7/4 times as Ammonia

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igomit [66]

Answer:

- Addition of Ba(OH)2: favors the formation of a precipitate.

- Undergo a chemical reaction forming soluble species.

- Addition of CuSO4 : favors the formation of a precipitate.

Explanation:

Hello,

In this case, since the dissociation reaction of barium sulfate is:

BaSO_4(s)\rightleftharpoons Ba^{2+}(aq)+SO_4^{2-}(aq)

We must analyze the effect of the common ion:

- By adding barium hydroxide, more barium ions will be added to the equilibrium system so the formation of solid barium sulfate will be favored (reaction shifts leftwards towards reactants).

- By adding sodium nitrate, the following reaction will undergo:

BaSO_4(s)+NaNO_3(aq)\rightarrow Ba(NO_3)_2(aq)+Na_2SO_4(aq)

So the precipitate will turn into other soluble species.

- By adding copper (II) sulfate, more sulfate ions will be added to the equilibrium system so the formation of solid barium sulfate will be favored (reaction shifts leftwards towards reactants).

All of this is supported by the Le Chatelier's principle.

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2 years ago
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Answer:

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3 years ago
The nucleus of isotope A of an element has a larger mass than isotope B of the same elemen
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4Al(s) + 30₂(g) → 2Al2O3 (s)
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There are many compounds that contribute to the overall aroma of a banana. The primary compound is called isoamyl acetate and co
Murljashka [212]

Explanation:

Let the mass of isoamyl acetate be 100g.

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= 5.048 : 7.07 : 2.018

= 5 : 7 : 2.

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2 years ago
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