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mel-nik [20]
3 years ago
8

Ammonia forms when hydrogen gas reacts with nitrogen gas according to the equation below. If equal moles of nitrogen and hydroge

n are combined, the maximum number of moles of ammonia that could be formed will be equal to:two thirds the number of moles of hydrogenthe number of moles of hydrogenthe number of moles of nitrogentwice the number of moles of nitrogen
Chemistry
2 answers:
Aleksandr-060686 [28]3 years ago
6 0

Answer:

Two thirds the number of moles of hydrogen

Explanation:

The balanced reaction is

3H₂ + N₂ → 2NH₃

So 1 mol of nitrogen gas reacts completely with 3 moles of hydrogen gas, to produce 2 moles of ammonia.

If equal moles of nitrogen and hydrogen are combined, <em>then hydrogen would be the limiting reactant</em>. Let's say we have 3 moles of each reactant, one mol of N₂ reacts with the 3 moles of H₂ and produces 2 moles of NH₃, and 2 moles of N₂ would remain. So the answer is<em> two thirds the number of moles of hydrogen.</em>

Kamila [148]3 years ago
3 0

Answer:

The number of moles NH3 produced is two thirds of moles of hydrogen.

Explanation:

Step 1: Data given

Number of moles H2 = Number of moles N2

Step 2: The balanced equation

3H2 + N2 → 2NH3

Step 3: Calculate mol NH3 produced

For 1 mol N2 consumed, we need 3 moles of H2, to produce 2 mol of NH3

H2 is the limiting reactant. This will be completely consumed.

N2 is in excess. There will be consumed 1/3 of moles of H2

The mole ratio H2:NH3 = 3:2

The number of moles NH3 produced is two thirds of moles hydrogen.

The number of moles N2 is one third of moles hydrogen.

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21+ Cl2 → 12+201 -
Alina [70]

Answer:

\rm 2\; I^{-} + Cl_2 \to I_2 + 2 \; Cl^{-}.

Start color: yellowish-green.

End color: dark purple.

Assumption: no other ion in the solution is colored.

Explanation:

In this reaction, chlorine gas \rm Cl_2 oxidizes iodine ions \rm I^{-} to elemental iodide \rm I_2. At the same time, the chlorine atoms are converted to chloride ions \rm Cl^{-}.

Fluorine, chlorine, bromine, and iodine are all halogens. They are all found in the 17th column of the periodic table from the left. One similarity is that their anions are not colored. However, their elemental forms are typically colored. Besides, moving down the halogen column, the color becomes darker for each element.

Among the reactants of this reaction, \rm I^{-} is colorless. If there's no other colored ion, only the yellowish-green hue of \rm Cl_2 would be visible. Hence the initial color of the reaction would be the yellowish-green color of \rm Cl_2.

Similarly, among the products of this reaction, \rm Cl^{-} is colorless. If there's no other colored ion, only the dark purple hue of \rm I_2 would be visible. Hence the initial color of the reaction would be the dark purple color of \rm I_2.

5 0
3 years ago
When a sample is heated water is observed at the top of the tube. The compound melts and changes color. Te residue is not entire
harkovskaia [24]

Answer:

hydrate

Explanation:

when a hydrate is heated,it changes color due to the exothermic reaction taking place.the structure of the complex changes but not entirely.this result in the sample to to not dissolve completely and we can observe the small traces of the sample.

7 0
3 years ago
Which is responsible for the formation of rust on metals?(1 point)
Rainbow [258]

The correct answers about rusting, air pollution and products of water with rock are:

Option A. oxidation

Option D. Pollutants mix with air and water to make acid rain.

Option B. clay minerals and calcium carbonate

<h3>What is rusting?</h3>

Rusting is the process by which a metal especially reacts with oxygen in the atmosphere and water vapor to form a hydrated oxide of the metal known as hydrated iron (iii) oxide. This is known as rust.

The process is an oxidation process; option A.

<h3>How does air pollution impact chemical weathering?</h3>

Air pollution is the presence of substances in air known as pollutants which makes the air impure.

Air pollution impact chemical weathering  as the pollutants mix with air and water to make acid rain which weathers rocks; option D.

<h3>What products are produced when water reacts with sodium in rocks?</h3>

The reaction of water with sodium in rocks result in the formation of clay minerals and calcium carbonate also as limestone, marble or chalk; option B.

In conclusion, the presence of pollutants in air results in acid rain and hence rock weathering.

Learn more rock weathering at: brainly.com/question/2341950

#SPJ1

5 0
1 year ago
My science homework is due tomorrow and I am stuck on this last question.
stealth61 [152]
I think 25m hopes dis helps
3 0
3 years ago
What binary compound would be formed from barium ions and fluoride ions?
LenaWriter [7]
Barium fluoride (BaF2) - Also known as Barium(II) fluoride - because it's a combination of two different kinds of ions (binary = two).
4 0
3 years ago
Read 2 more answers
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