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3 years ago

Consider the balanced equation below

Chemistry

2 answers:

dybincka [34]3 years ago

6 0

The mole ratio of PCl3 to PCl5 is 1:1

<u><em> Explanation</em></u>

PCl3 + Cl2→ PCl5

Mole ratio - Is the ratio between amount of mole of two compound.

The mole ratio is determined by considering the coefficient in front of the formula in a balanced chemical equation.

The coefficient in front of PCl3 in equation above is 1 , while the coefficient in front of PCl5 is 1, therefore the mole ratio is 1:1

Svet_ta [14]3 years ago

3 0

PCl₃ + Cl₂ = PCl₅

1:1

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Murljashka [212]

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3 years ago

1. Complete the reaction illustrating the hydration reaction of a strong electrolyte CaCl2

makkiz [27]

Answer:

CaCl₂(s) ⟶ Ca²⁺(aq) + 2Cl⁻(aq)

Explanation:

When the calcium chloride dissolves. the calcium and chloride ions leave the surface of the solid and go into solution as hydrated ions.

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3 years ago

What volume of 0. 250 m sulfuric acid solution would be needed to react completely with 18. 00 ml of 0. 350 m ammonia solution?

PolarNik [594]

The volume of 0. 250 m sulfuric acid solution would be needed to react completely with 18. 00 ml of 0. 350 m ammonia solution is 0.0504 L.

The balance reaction is 2KOH+ $H_{2} SO_{4}$ = $2H_{2} O+K_{2} SO_{4}$

This shows us that we need 2 moles of KOH for each mole of sulfuric acid.

So, we write mathematically 2*(0.018*0.350)=(V*0.250)

V=(2*0.018*0.350)/0.250=0.0504 L

<h3>Sulfuric acid</h3>

With the chemical formula H2SO4, sulfuric acid, also known as sulphuric acid or oil of vitriol, is a mineral acid made up of the elements hydrogen, oxygen, and sulfur. It is a viscous liquid that is miscible with water and is colorless, odorless, and viscous.

Since pure sulfuric acid has a significant affinity for water vapor, it does not naturally occur on Earth; as a result, it is hygroscopic and rapidly collects water vapor from the atmosphere. Due to its potent dehydrating and oxidizing qualities, concentrated sulfuric acid is extremely corrosive to various materials, including rocks and metals. One significant exception is phosphorus pentoxide, which dehydrates sulfuric acid to sulfur trioxide instead of being dehydrated by sulfuric acid.

Learn more about Sulfuric acid here:

brainly.com/question/1107054

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6 0

2 years ago

You have an atom represented by X (not real by the way). X has 2 valence electrons. You have another atom Y that has 5 valence e

BabaBlast [244]

The chemical formula : X₃Y₂

<h3>Further explanation </h3>

The noble gas element is a stable class of elements. The noble gas element is monatomic. Stability of noble gases is caused by an electron configuration that has a stable configuration of 8 (has 8 valence electrons) except He with a duplet configuration (has 2 valence electrons)

Other elements that do not yet have electron configurations such as noble gases will try to achieve their stability by forming bonds between elements.

This is generally called the octet rule

X has 2 valence electrons.to achieve stability, element X will release 2 electrons to form X²⁺

Y has 5 valence electrons, to achieve stability, the element Y will attract/ add electrons to form Y³⁻

The two compounds will form a compound with the charges crossed : X₃Y₂

6 0

3 years ago

Which carboxylic acid can be combined with an alcohol to form the ester shown below?

Anna11 [10]

Answer:

CH₃CH₂CH₂COOH.

Explanation:

To know which option is correct, let us hydrolysed the given ester. This is illustrated in the attached photo.

Hydrolysis of ester involves breaking the ester bond by a water molecule to produce the corresponding alcohol and carboxylic acid.

From the reaction given in the attached photo, we can see that the carboxylic acid needed to produce the desired ester is butanoic acid, CH₃CH₂CH₂COOH.

7 0

3 years ago