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3 years ago

When butane burns in oxygen, it produces carbon dioxide and water. This reaction is represented in this equation:

2 answers:

6 0

Answer: In the given equation, there are 8 atoms of carbon, 26 atoms of oxygen and 20 atoms of hydrogen on each side of the equation.

Explanation:

Law of conservation of mass states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form.

This also means that total mass on the reactant side must be equal to the total mass on the product side.

For the given chemical reaction:

$2C_4H_{10}+13O_2\rightarrow 8CO_2+10H_2O$

On reactant side:

Number of carbon atoms = 8

Number of hydrogen atoms = 20

Number of oxygen atoms = 26

On product side:

Number of carbon atoms = 8

Number of hydrogen atoms = 20

Number of oxygen atoms = 26

Hence, in the given equation, there are 8 atoms of carbon, 26 atoms of oxygen and 20 atoms of hydrogen on each side of the equation.

Vadim26 [7]3 years ago

5 0

The answer fam is.............This equation is balanced because there are 8 atoms of carbon (C), 26 atoms of oxygen (O), and 20 atoms of hydrogen (H) on each side of the equation.

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Think about what you have learned about electrons, energy levels, and electron configurations. In 2 or 3 sentences, explain why

nignag [31]

Alr u see. argon is in group 8 of the periodic table, also known as noble gases. noble gases all have full shells, octect. this means that there is no chance for covalent or ionic bonding, no valence electrons available to bonding.

however, chlorine is in group 7 of the periodic table. this means to obtain a full octect shell, they will have to undergo covalent bonding to form a full octect shell.

hence, argon is more stable compared to chlorine

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3 years ago

A sample of solid NH 4HS is placed in a closed vessel and allowed to equilibrate. Calculate the equilibrium partial pressure (at

UNO [17]

Answer:

The answer to the question is

The equilibrium partial pressure (atm) of ammonia, assuming that some solid NH₄HS remains 0.26 atm.

Explanation:

To solve the question, we write out the chemical equation as follows

NH₄HS (s) ⇄ NH₃ (g) + H₂S (g)

From the above equation, it is observed that only the gaseous products contribute to the partial pressure

Kp =PNH₃·PH₂S where at Kp = 0.070 and PNH₃, PH₂S are the partial pressures of the gases

However since the number of moles of both gases are equal, therefore by Avogadro's law PNH₃ = PH₂S

Then PNH₃ = √(0.07) = PH₂S = 0.2645 atm. ≅ 0.26 atm.

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3 years ago

What gas makes up the majority of the Earth's atmosphere?

Naya [18.7K]

Answer:

Nitrogen and oxygen are by far the most common; dry air is composed of about 78% nitrogen (N 2) and about 21% oxygen (O 2).

In short, Nitrogen

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3 years ago

Why do humans primarily form communities ?

AlladinOne [14]

Easy B. is the answer

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3 years ago

Read 2 more answers

Which one of the following processes produces a decrease in the entropy of the system?a, precipitation of AgCl(s) from Ag+(aq) a

Usimov [2.4K]

Answer: precipitation of $AgCl(s)$ from $Ag^+(aq)$ and $Cl^-(aq)$ ions in solution

Explanation:

Entropy is the measure of randomness or disorder of a system. If a system moves from an ordered arrangement to a disordered arrangement, the entropy is said to decrease and vice versa.

$\Delta S$ is positive when randomness increases and $\Delta S$ is negative when randomness decreases.

a) precipitation of $AgCl(s)$ from $Ag^+(aq)$ and $Cl^-(aq)$ ions in solution : As ions are getting solidified, entropy decreases.

b) dissolution of $LiOH(s)$ in water: The compounds dissociates into ions, entropy increases.

c) melting solid gold into liquid gold: The randomness increases, entropy increases.

d) evaporation of Hg(l) to form Hg(g) : The randomness increases, entropy increases.

e) mixing of two gases into one container : The randomness increases, entropy increases.

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3 years ago