What is the equilibrium expression for the reaction below?
C(s) + O2(9)
2009)
[0][c]
O A.
[CO]
O B.
1
C с
OC.
[co]
[0][c]
CO2]
D.

What Is The Equilibrium Expression For The Reaction Below?C(s) + O2(9)2009)[0][c]O A.[CO]O B.1C OC.[co][0][c]CO2]D.

Answers

Answer 1

Answer:

C

Explanation:

because it is product over reactants. hope this helps :)

Answer 2

The equilibrium expression for the reaction C(s) +[tex]O_{2}[/tex](g) ⇄ [tex]CO_{2}[/tex] (g) will be

[[tex]CO_{2}[/tex] ] / [ [tex]O_{2}[/tex] ].

What is  equilibrium?

Chemical equilibrium is a state where no net change in the quantities of reactants as well as products takes place during a reversible chemical reaction.

The given reaction is C(s) +[tex]O_{2}[/tex](g) ⇄ [tex]CO_{2}[/tex] (g) .

It is known that solid phase is not considered in equilibrium.

Hence, equilibrium expression = [[tex]CO_{2}[/tex] ] / [ [tex]O_{2}[/tex] ].

Therefore, the correct answer will be option (D).

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Related Questions

Which of the following is an example of nuclear fission?
A. A gamma emitter is used to trace movement of chemicals in the
environment.
B. A radioactive drug that emits electrons is used to treat cancer in a
patient.
O c. Two different isotopes of hydrogen form an isotope of helium on
the sun.
O D. A large radioactive atom breaks into smaller atoms, producing
nuclear energy.

Answers

The statement which is an example of nuclear fission is that a large radioactive atom breaks into smaller atoms, producing nuclear energy.

What is nuclear fission?

Nuclear fission is a kind of radioactive decay reaction in which an unstable nuclei of an atom will split into smaller stable nuclei by the emission of lots of energy.

Gamma emitter is used inside the human body to trace the information that assists in making a diagnosis by the help of medication.To treat cancer patient high energetic rays like x-rays, gamma-rays are used.Formation of isotope of helium from two different isotopes of hydrogen is an example of nuclear fussion reaction.

Hence in nuclear fission a large radioactive atom breaks into smaller atoms, producing nuclear energy.

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Look at the picture below. If the total mass of the reactants is 74, what will the total mass of the products be?

Answers

Answer:

74

Explanation:

The law of conservation of mass states that in a chemical reaction, the total mass of reactants is equal to the total mass of products

hope this helps!

The total mass of the products will also be 74 g

The law of conservation of matter which states that matter can neither be created nor destroyed during a chemical reaction but can be transferred from one form to another.

From the above law, we understood that in any chemical reaction, the total mass of reactants must be equal to the total mass of products i.e

Total mass of reactants = Total mass of products

From the question given above,

Total mass of reactants = 74 g

Total mass of products =?

Total mass of reactants = Total mass of products

74 g = Total mass of products

Thus,

Total mass of products = 74 g

Therefore, we can conclude that if the total mass of reactants is 74 g, then the total mass of products will also be 74 g.

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what is the chemical formula for Mg2+ and I1- ( magnesium and iodine)

Answers

Explanation:
M
g
2
+
+
2
I


M
g
I
2

Answer:MgI2

Explanation:

describe how water molecules can hydrate various substances

Answers

Answer:

A water molecule can react with the carbonyl group of an aldehyde or a ketone to form a substance known as a carbonyl hydrate, as shown in the first reaction below. The carbonyl hydrates usually form a very small percentage of the molecules in a sample of a specific aldehyde or ketone.

(Nice profile pic also UwU)

II. Which statement seems more likely to be true?
A.
Double replacement reactions are always neutralizations.
B.
Neutralizations are always double replacement reactions.

Answers

Answer:

B

Explanation:

Neutralisations are always double replacement reactions

the answer is B have a great rest of your day

I.
Look at the pictures below. What can you say about them?
Describe their similarities and differences. Write your answer in
your notebook
Www
cowo
Politics
SXO
is​

Answers

Answer:

Hey , I can't see the picture

An element X has the proton number 18.
The next element in the periodic table is an element Y.
Which statement is correct?

Answers

Answer:

This question is incomplete

Explanation:

This question is incomplete. However, the element X with the atomic number of 18 is Argon (Ar) while the next element (element Y) in the periodic table, with atomic number 19, is potassium (K).

Element X is found in the group zero (also called group 18 and elements found therewith are referred to as noble gases) of the periodic table while element Y is found in group 1 (elements found here are referred to as alkali metals).

Element X has a completely filled outermost shell while element Y has one electron in its outermost shell.

Element X is a metal while element Y is a nonmetal.

The reaction below is performed with 10.0 g of Al and 19.0 g of O2. How many grams of aluminum oxide will be made? 4 Al (s) + 3 O2 (g) → 2 Al2O3 (s)

Answers

Answer:

18.89 g of Al₂O₃.

Explanation:

The balanced equation for the reaction is given below:

4Al + 3O₂ —> 2Al₂O₃

Next, we shall determine the masses of Al and O₂ that reacted and the mass of Al₂O₃ produced from the balanced equation. This can be obtained as follow:

Molar mass of Al = 27 g/mol

Mass of Al from the balanced equation = 4 × 27 = 108 g

Molar mass of O₂ = 16 × 2 = 32 g/mol

Mass of O₂ from the balanced = 3 × 32

= 96 g

Molar mass of Al₂O₃ = (27×2) + (16×3)

= 54 + 48

= 102 g/mol

Mass of Al₂O₃ from the balanced equation = 2 × 102 = 204 g

SUMMARY:

From the balanced equation above,

108 g of Al reacted with 96 g of O₂ to produce 204 g of Al₂O₃.

Next, we shall determine the limiting reactant. This can be obtained as follow:

From the balanced equation above,

108 g of Al reacted with 96 g of O₂.

Therefore, 10 g of Al will react with

= (10 × 96)/108 = 8.89 g of O₂.

From the calculation made above, we can see clearly that only 8.89 g out of 19 g of O₂ given, reacted completely with 10 g of Al.

Therefore, Al is the limiting reactant and O₂ is the excess reactant.

Finally, we shall determine the mass of aluminium oxide, Al₂O₃, produced from the reaction.

NOTE: in this case, the limiting reactant will be used because it will give the maximum mass of the aluminium oxide, Al₂O₃ as all of it is consumed in the reaction.

Al is the limiting reactant and the mass of aluminium oxide, Al₂O₃ produced can be obtained as follow:

From the balanced equation above,

108 g of Al reacted to produce 204 g of Al₂O₃.

Therefore, 10 g of Al will react to produce = (10 × 204)/108 = 18.89 g of Al₂O₃.

Thus, 18.89 g of Al₂O₃ were obtained from the reaction.

12. Which nonmetal is the most reactive?
A bromine
B
iodine
C) fluorine
D) chlorine

Answers

Answer:

C Fluorine

Explanation:

C fluorine is the answer

Identify the atom oxidized, the atom reduced, the oxidizing agent, and the reducing agent. 2Fe + 3V2O3 -------> Fe2O3 + 6VO​

Answers

Explanation:

Fe- reducing agent (since it is oxidized to fe203)

v203- oxidizing agent(since it is reduced)

In the given reaction, Fe is the reducing agent and V is the oxidizing agent.

What is a reducing agent?

An atom or compound that loses its electrons to other substances in a reduction-oxidation reaction and gets oxidized to a higher valency state is called a reducing agent.

A reducing agent can be defined as one of the reactants of a redox reaction that reduces the other reactant by giving its electrons to the reactant. If the reducing agent can not give away its electrons to others in a reaction, then the reduction reaction cannot occur.

Given, the following chemical reaction:

2Fe + 3V₂O₃ → Fe₂O₃ + 6VO​

The V₂O₃ oxidation state of V:

2 x + 3(-2) = 0

2x = 6

x = + 3

The Fe₂O₃ oxidation state of Fe:

2 y + 3 (-2) = 0

2y = 6

y = + 3

The V acts as an oxidizing agent because it accepts one electron to change the oxidation state from +3 to +2.

Fe acts as a reducing agent because it gives out its electrons to change the oxidation state from 0 to +3.

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Which part of the Earth system contains most of the planet's mass?

Answers

Answer:

Geosphere of the Earth system contains most of the planet's mass.

Explanation:

One of the most important is the Carbon Cycle since all of the organisms on Earth are carbon-based life forms. includes all water on the surface of the earth oceans, lakes, rivers, aquifers, and ice. 70% of the earth's surface is covered with water.

what is photosynthesis ?​

Answers

Answer:

the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

Explanation:

basically when plants make food for themselves

Answer:

photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.

Explanation:

hii are you also from India ¯\_(ツ)_/¯

In which of the following substances do you find strong hydrogen bonding?
A hydrogen sulphide
B liquid ammonia
D hydrogen gas
C hydrochloric acid

Answers

Answer:

The strength of an individual H bond depends on the polarity of the H-X bond and therefore on the electronegativity of X ( the more delta positive the H atom, the stronger the electrostatic force of attraction between it and a lone pair of electrons). Thus, on a per bond basis, HF H bonding is strongest. However, as water has two H atoms, each molecule can form two H bonds so on a per molecule basis, water H bonding is strongest (this is evidenced by the boiling points of the three substances; NH3 < HF < H2O.)

Explanation:

Correct me if I'm wrong


How did reducing the number of
decomposers affect the amount of carbon
dioxide in the ecosystem?

Answers

Answer:

As organisms release energy during cellular respiration, carbon dioxide is produced from the carbon in energy storage molecules. ... Carbon dioxide in the biodome decreased because decomposers decreased which means there was a decrease in cellular respiration overall.

btw :

stay safe! :3

. Calculate the pH and the pOH of each of the following solutions at 25 °C for which the substances ionize completely:
(a) 0.200 M HCl

(b) 0.0143 M NaOH

(c) 3.0 M HNO3

(d) 0.0031 M Ca(OH)2

Answers

a. HCl:
pH= -log [H3O+]
PH=-log (0.200)
= 0.699

poH= 14-0.699
= 13.301

b. NaOH:
PoH= -log [OH-]
= -log (0.0143)
= 1.845
pH= 14-poH
= 14- 1.845
= 12.16

c. HNO3:
PH= -log[H3O+]
=-log(3.0)
= -0.4771
poH= 14-pH
= 14-9-0.4771
= 14.4771

pH= -0.4771, poH= 14.4771

d. [Ca(OH)2] = 0.0031M
[OH-]= 2X0.0031
[OH-] = 0.0062M

PoH= - log[OH-]
=-log(0.0062)
=-log(6.2x10-3)
=-(-2.21)
= 2.21
PH=14-poH
=14-2.21
=11.79
POH=2.21, PH= 11.79

Based on the molarity of the solutions;

For 0.200 M HCl; pH = 0.699, pOH = 13.301For 0.0143 M NaOH; pOH = 1.845, pH = 12.16For 3.0 M HNO3; pH = -0.4771, poH = 14.4771For 0.0031 M Ca(OH)2; pOH = 2.21, pH = 11.79

What pHand pOH?

pH is the negative logarithm to base ten of the hydrogen ions concentration of a solution.

pH = -log[H+]

pOH is the negative logarithm to base ten of the hydroxide ions concentration.

pOH = -log[OH-]

Also;

pH + pOH = 14

For HCl:

pH = -log [H3O+]

pH =-log (0.200)

pH = 0.699

Then;

poH= 14-0.699

pOH = 13.301

For NaOH:

pOH= -log [OH-]

= -log (0.0143)

pOH = 1.845

Then;

pH= 14-poH

= 14- 1.845

pH = 12.16

For HNO3:

pH= -log[H3O+]

=-log(3.0)

= -0.4771

Then;

pOH = 14-9-0.4771

pOH = 14.4771

For [Ca(OH)2]

molarity = 0.0031M

2 moles of OH- are produced

[OH-]= 2 × 0.0031

[OH-] = 0.0062M

pOH = - log[OH-]

=-log(0.0062)

=-log(6.2x10-3)

=-(-2.21)

pOH = 2.21

Then;

pH =14-2.21

pH =11.79

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Concentrations-
How many moles of HCI are present in 562.0 ml of a 6.17 M HCI solution?

If possible, show work.

Answers

Moles of HCl is 3.47mol

Work shown on photo

Biggest oil fields in the world?

Answers

Answer:

Ghawar field   location-Saudi Arabia

Burgan Field   location-Kuwait

Ahvaz field      location-Iran

Upper Zakum Oil Field   Location-Abu Dhabi UAE

Explanation:

I learned this yesterday :D

can someone check if i did this right. thank you !!​

Answers

Answer:

noo

Explanation:

its basic

....................

Answer: acidic

Explanation:

what is indepent and dependent variables

Answers

Answer:

The independent variable is the cause. Its value is independent of other variables in your study.

The dependent variable is the effect. Its value depends on changes in the independent variable.

Ex: The ice cube melts on the stove.

Dependent variable: Ice Cube

Independent variable: heat of stove

Answer:

In an experiment, the IV(independent variable) is a variable that is changed to see how it affects something else, and the DV (dependent variable)is a variable that is being measured/observed.

hope this help!

please mark as brainiest <3

The electrolysis of water has the equation 2H2O (l) → 2H2 (g) + O2 (g). What type of reaction is this?

A)

Single displacement

B)

Double displacement

C)

Decomposition

D)

Synthesis

Answers

Answer:b

Explanation:

URGENT!!!

A solution has a [H3O+] of 1 × 10−5 M. What is the [OH−] of the solution? (5 points)
9 M
14 M
1 × 10−9 M
1 × 10−14 M

Answers

Answer:

[tex]{ \bf{from \: ionic \: product \: of \: water : }} \\ { \boxed{ \tt{k _{w} = [H _{3} O {}^{ + } ][OH {}^{ - } ]}}} \\ \\ { \tt{1 \times {10}^{ - 14} = (1 \times {10}^{ - 5} ) [OH {}^{ - } ]}} \\ \\ { \tt{[OH {}^{ - } ] = 1 \times {10}^{ - 9} }} \: M[/tex]

A solution has an [H3O+] of 1 × 10−5 M the [OH−] of the solution will be 1 × 10−9 M and option C is correct.

What is [OH−] of the solution?

The water is made up of H2O only and when the pH of it is 7 then the concentration of all the ions would be the same while dissociation the water will get dissociate into H+ ions and OH- ions.

The concentration of OH- ions will be

OH- = Kw {H3O+}

{H3O+} = 1 × 10−5 M.

Kw = 14

substituting the value in the equation,

OH = 14 { 1 × 10−5 M.}

OH = 1 × 10−9 M

Therefore, the solution has an [H3O+] of 1 × 10−5 M the [OH−] of the solution will be 1 × 10−9 M and option C is correct.

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The two general types of air pollution are _____ and _____.


invisible
particles
gases
liquid

Answers

Liquid and gases is the two general types of air pollution

Answer:

i think this is it

Explanation:

particles and gases

What does a prism do?
A. It changes the wavelengths contained in a beam of light.
B. It combines wavelengths to make white light.
C. It removes specific wavelengths from a beam of light.
O D. It separates the wavelengths contained in a beam of light.

Answers

Answer:

D

the angles wich light is coming into the medium are not the same for all wavelengths (colors, at least in the visible spectrum). same for outgoing light.

the same it true for any transparent barrier between two different materials, like air and water.

A prism separates the wavelengths contained in a beam of light. Hence Option (D) is correct.

What is Prism ?

A glass or other transparent object in the form of a prism, especially one that is triangular with refracting surfaces at an acute angle with each other and that separates white light into a spectrum of colours.

A prism is an optical component that serves one of two major functions: it disperses light, or it modifies the direction (and sometimes polarization) of light.

In some cases, a prism has more than one function. Prisms are usually transparent to the region of the electromagnetic spectrum being observed.

The prisms are employed to produce polarized light for optical instruments such as microscopes and polarimeters.

Mirrors are commonly utilized to fold the light beam through an optical system.

Therefore, A prism separates the wavelengths contained in a beam of light. Hence Option (D) is correct.

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the structure of butanoic acid

Answers

answer on here fjchcjfjdnc.com

What is the molecular geometry of Br2

Answers

the molecular geometry of Dibromine is Linear and the compound has a symmetrical shape.

round 5,239 to 2 significant figures

Answers

Answer:

5240

Explanation:

I'm not sure tho sorry

Please help I’ll give brainliest

Answers

REACTION TYPE:

Single displacement/Oxidation-reduction

(Hope this helped UwU)

Answer:

Synthesis reaction is the answer

When two ice skaters initially at rest push off one another, their final
momenta are..."

Answers

Answer:B

Explanation:

4. Completa el texto con las siguientes palabras del listado. La contaminación por ? Es una alteración ? Que destruye la vegetación, ? Y el suelo y afecta el ? , es el resultado de la quema de ? Y gases industriales nocivos.

Answers

Answer:

Actividades humanas y vida marina.

Explicación:

La contaminación ocurre por actividades humanas que se considera una alteración en el medio ambiente. Esta contaminación provocada por el ser humano puede destruir la vegetación, el suelo y afectar negativamente a la vida marina. Esta destrucción que se produce en el medio ambiente es el resultado de la quema de combustibles fósiles que liberan gases industriales nocivos en la atmósfera por lo que si queremos proteger nuestro medio ambiente de mayores daños tenemos que reducir las actividades que provocan la liberación de gases nocivos en la atmósfera. .

Who is my favourite wrestler?​

Answers

i don’t know:)))))))))))

Answer:

ma herdina thesto wrestling

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