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Illusion [34]
4 years ago
13

Write a balanced half-reaction describing the reduction of aqueous iron(III) cations to aqueous iron(II) cations.​

Chemistry
2 answers:
melamori03 [73]4 years ago
6 0

Answer:

The answer to your question is:

Explanation:

                  Iron (III)  ⇒ Iron (II)

                  Fe⁺³ + 1e⁻   ⇒   Fe⁺²

                 

IceJOKER [234]4 years ago
4 0

<u>Answer:</u> The balanced half reaction is written below.

<u>Explanation:</u>

Reduction reaction is defined as the chemical reaction in which an atom gains electrons. The oxidation number of the atom gets reduced during this reaction.

X^{n+}+ne^-\rightarrow X

When iron (III) cations is reduced to iron (II) cations, the number of electron transfer is 1.

The chemical equation for the reduction of iron (III) cations follows:

Fe^{3+}(aq.)+e^-\rightarrow Fe^{2+}(aq.)

Hence, the balanced half reaction is written above.

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What is the answer for this please ?<br> HNO3 + OH →
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Answer:

HNO3(aq) + OH-(aq) → NO3-(aq) + H2O(l)

Explanation:

According to Bronsted-Lowry theory, an acid is a substance that donates a proton (H+) and produces a conjugate base while a base is a molecule or ion which accepts the proton.

An example of Bronsted-Lowry acid and base is Nitric acid, HNO3 and hydroxide ion, OH- respectively as shown in the given reaction.

Thus, the nitric acid acts as an acid by donating a proton to the hydroxide ion which accepts it, thus producing nitrate ion, NO3- as a conjugate base, while OH- produces H2O as a conjugate acid.

8 0
3 years ago
Use the Ideal Gas Law equation to find the molar mass of a 98.2 g sample of gas that fills a 50.0-liter container at STP.
Vlad [161]

Answer:

DD

Explanation:

DD

8 0
3 years ago
Complete combustion of 4.40 g of a hydrocarbon produced 14.1 g of co2 and 5.04 g of h2o. what is the empirical formula for the h
andrew11 [14]
For a hydrocarbon, the combustion reactions are the following:

C + O₂ --> CO₂
H₂ + 1/2 O₂ --> H₂O

The molar mass of CO₂ is 44 g/mol while C is 12 g/mol. Let's solve for amount of C in hydrocarbon.

Mass of C = (14.1 g CO₂)(1mol/44g)(1 mol C/1 mol CO₂)(12 g/mol) = 3.845 g C
So, that means that the mass of hydrogen is:
Mass of H = 4.4 - 3.845 = 0.555 g

Moles C = 3.845/12 = 0.32042
Moles H = 0.555/1 = 0.555
Divide both by the smaller value, 0.32042.

C: 0.32042/0.32042 = 1
H: 0.555/0.32042 = 1.732
We have to get an answer that is closest to a whole number. Let's try multiplying both with 4.
C: 1*4 = 4
H: 1.732*4 = 6.93≈7

<em>Thus, the empirical formula is C₄H₇.</em>
3 0
3 years ago
7) Facilitated diffusion is
Illusion [34]
The passive movement of molecules or ions across a plasma membrane by means of a transports protein located in the plasma membrane
3 0
3 years ago
Due Tonight!!!!!!!!!!​
Serggg [28]

Answer:

element

Explanation:

An element is a pure substance that cannot be separated into simpler substances by chemical or physical means. • There are about 117 elements.

5 0
2 years ago
Read 2 more answers
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