please helppp!!!
Consider the following intermediate chemical equations.
C(s) +202(g) → CO(g)
CO(g)+302(g) → CO2(g)
How will oxygen appear in the final chemical equation?
O O2(g) as a product
O O2(g) as a reactant
O O(g) as a product
O 20(g) as a reactant

Answers

Answer 1

O₂(g) as a reactant

Further explanation

In chemical reactions, there is a reaction between reagents and products

Reaction:

aA + bB ⇒ cC

Substances A and B are called a reactants

Substance C is called a product

In the above reaction:

Reactants: C, O₂ and CO Products: CO and CO₂

CO functions as a product in the first reaction and functions as a reactant in the second reaction  

In the final chemical equation :

CO(g)+30₂(g) → CO₂(g)

O₂ is on the left so it is called the reactant

Answer 2

Answer: B. O₂(g) as a reactant


Related Questions

WILL GIVE YOU BRAINLIEST!!!

which option is an example of a chemical property?
A ability to decompose

B color

C melting point

D density

which option is an example of a chemical property

A boiling point

B reactivity

C color

D density

Answers

Answer:

A ability to decompose

B reactivity

Explanation:

Chemical properties are those properties that tell us about what a substance can do as regards to whether or not the substance reacts with other substances.

Examples are flammability, rusting of iron, precipitation, decomposition of water by an electric current.

The ability to decompose and reactivity are chemical properties of a substance.

Physical properties tells us everything about what a substance is when no change is occurring to its constituents. Examples are state of matter, color, odor, taste, texture, hardness e.t.c

Answer:

1. A

2. B

Explanation:

Chemical property does change the composition of a substance.

I took the test before. I got all the answer correct and got 100% score.

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Learning Properties of Matter Quiz Unit 2 Lesson 11 Grade 8

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A student found a 500 cm3 sample of vinegar. Knowing that vinegar is a solution of ethanoic acid (CH3COOH) and water, this student decided to take a 25.0 cm3 sample, dilute it with 25.0 cm3 of water and then react it with sodium hydroxide. The dilute sample required 37.0 cm3 of 0.850 mol dm–3 sodium hydroxide solution to react entirely with it via the following reaction:

CH3COOH(aq) + NaOH(aq) → NaCH3COO(aq) + H2O(l)

Calculate the concentration of ethanoic acid in the original sample of vinegar.

Answers

Answer:

1.26mol/dm3

Explanation:

experimented with oil and water layers in 1917. He proposed that the
in the oils pointed away from the water
• A. Charles Overton, phosphate heads
. B. Irving Langmuir, fatty acid chains
• C. Hugh Davson, proteins
. D. Gregor Mendel, fatty acid chains

Answers

Answer:

Irving Langmuir, Fatty Acid Chains

Explanation:

The man that experimented with oil and water layers in 1917 and also proposed that the ________  in the oils pointed away from the water is:

B. Irving Langmuir, fatty acid chains

Irving Langmuir was an American scientist who was interested in the fields of Chemistry, Physics and Engineering. He won an award in Chemistry for his contributory research in surface chemistry.

He made an experiment with oil and water layers in the year 1917 and he made the claim that the fatty acid chains in oils always pointed away from tje water in which they were immersed in.

Therefore, the correct answer is option B

Read more here:

https://brainly.com/question/2396276

Which one of the following is the symbol used in a chemical equation for a
gas?
A. (g)
B. (aq)
C. (gas)
D. (a)

Answers

Answer:

A. (g)

Explanation:

Since it asks for a gas, it is A.

Answer:

A (g)

Explanation:

crystal structure of argon

Answers

Answer:

Solid argon is stable in the face-centered cubic structure at all temperatures, but it is found that it can also crystallize in a metastable form with hexagonal close-packed structure. ... Small amounts of nitrogen, oxygen, or CO stabilize the hcp phase at temperatures near the melting point.

Explanation:

Question 5 (4 points)
One type of dipole-dipole force found in water is

A. ion-ion attraction
B. hydrogen bonds
C. dipole-ion bonds
D. molecular bonds

Answers

Answer:

B. Hydrogen bonds.

Explanation:

The dipole dipole force that is found in water is hydrogen bonds.

Please help I’ll give brainiest!

Answers

Answer:

Im sorry if u get it worng but is it the 3rd one?

Explanation:

How does an increase in thermal energy influence the particles of the reactants in a chemical reaction?
Group of answer choices

it increases the chance of particles being properly aligned by increasing the number of collisions

it decreases the number of particle collisions

it increases the number of collisions by speeding up the particle motion

Answers

Answer:

the last one it increases number of collisions by speeding up the particle motion

Explanation:

the more thermal energy something it has the faster particles move

Now look closely at the patterns in the table. Compare the elements in each column and row. What can we say about
elements in the same group and elements in the same period of the periodic table?
Select all the correct answers.
The number of electrons in the second energy level increases by one down each column.
Elements in the same row have the same number of occupied energy levels.
For each column, the last occupied energy level has the same number of electrons.
The number of electrons in the first energy level increases by one from Li to Ne.

Answers

Answer: Elements in the same row have the same number of occupied energy levels. For each column, the last occupied energy level has the same number of electrons.

Explanation: Straight from PLATO.

On comparing the elements we can say that:

B. Elements in the same row have the same number of occupied energy levels.

Elements in periodic table:

In the periodic table, elements are arranged in an order of increasing atomic number. It comprises of seven periods and eighteen groups.

The elements present in the same row or in the same period will have equal number of energy levels or shells.

Thus, option B is correct.

Find more information about periodic table here:

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In order for radiation to transfer heat

Answers

Answer:

Radiation is a method of heat transfer that does not rely upon any contact between the heat source and the heated object as is the case with conduction and convection. Heat can be transmitted through empty space by thermal radiation often called infrared radiation. This is a type electromagnetic radiation

Answer:

Heat can be transmitted through empty space by thermal radiation often called infrared radiation

Explanation:

Brainliest???? Plzzz!!!

2. What type of bonding would be expected between the following atoms?
a. Li and F
c. I and Br
b. Cu and S
d. S and O

Answers

a.) covalent
c.) covalent
b.) ionic
d.) covalent

Considering the definition of covalent and ionic bond, the type of bonding that would be expected between the following atoms is:

Li and F: Ionic Bond I and Br: Covalent Bond Cu and S: Ionic Bond S and O: Covalent Bond

The covalent bond is the chemical bond between atoms where electrons are shared, forming a molecule. Covalent bonds are established between non-metallic elements. These elements have many electrons in their outermost level (valence electrons) and have a tendency to gain electrons to acquire the stability of the electronic structure of noble gas.  

An ionic bond is produced between metallic and non-metallic atoms, where electrons are completely transferred from one atom to another. During this process, one atom loses electrons and another one gains them, forming ions. Usually, the metal gives up its electrons forming a cation to the nonmetal element, which forms an anion.

Taking into account the previous definitions, it is first necessary to know if the elements are metallic or non-metallic:

Lithium Li: Metallic atoms Flour F: Non-metallic atoms Iodine I: Non-metallic atomsBromine Br: Non-metallic atomsCopper Cu: Metallic atoms Sulfur S: Non-metallic atoms Oxygen O: Non-metallic atoms

Now you can determine the type of bond of the following pairs of elements:

Li and F: Metallic atoms - Non-metallic atoms: Ionic Bond I and Br: Non-metallic atoms - Non-metallic atoms: Covalent Bond Cu and S: Metallic atoms - Non-metallic atoms: Ionic Bond S and O: Non-metallic atoms - Non-metallic atoms: Covalent Bond

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which of the following units of measurement would you use to describe the length of your pencil?

Answers

centimeter. cm.
you can also use it for a book

Answer:

cm

Explanation:

cm is the most appropriate unit - metres is too big and mm is too small

BRAINLIEST
What type of bond is Cu and F Ionic or Covalent? ​

Answers

An ionic bond because it is between a non-metal and a metal. I hope this helps!

How many elements are in this chemical formula?

HCl

Group of answer choices

Answers

2 elements!
first element is H and the second element is Cl

How has cooperation played a role in life's major evolutionary transitions?

Answers

Answer:

The cooperation of a species is shown throughout history. Including in our history. Where it be physical evolution or technological. We have helped each other with building, advice, locations, Reproduction, etc.

.What threatens the newly hatched chicks?

Answers

Answer:

rats. that's all i know of Just about everything except the mother hen if they are natural hatch. Even when you incubate them there are threats. The healthy chicks will mob the weak ones, the older chicks (even by a day) will pick on the younger ones. Temperature extremes will threaten them as they need warm, humid conditions with gradual drops in surrounding temps in the brooder box. Early disease is sometimes a problem and all chicks should be started on medicated chick feed for the first few weeks to prevent several digestive diseases. Even the water dispenser can be a threat as newly hatched chicks will immerse themselves in an open water container so care should be taken to supply water in a self feeding covered dish.

Explanation:

Answer:

im pretty sure its just rats and the mother hen if the chick isn't healthy

Explanation:

I WILL GIVE U BRAINLIEST!!!!!!!

Answers

Answer:

I think its b. if not sorry but its the one that makes most sense

Explanation:

Answer:

B

Explanation:

Hope this helps you have a nice day!

Helpppp
4. This group of substances tend to be malleable, ductile, and have relatively high melting points.
They are
(2 Points)
A.noble gases
B.nonmetals
C.metals
D.halogens

Answers

Answer:

The answer is metals

HELP MEEEEEEEEEEEE
Winds and ocean breezes occur due to _____________.

A. None of these
B. Conduction currents
C. Boiling
D. Convection currents

Answers

Answer:

B

Explanation:

it flows by the conduction currents

Is acid a chemical weather

Yes or no

Is carbon dioxide a chemical weather

Yes or no

Is water a chemical weather

Yes or no

Is oxygen a chemical weather

Yes or no

Answers

acid, yes
carbon dioxide, yes
water, yes
oxygen, yes

Answer:NO

Explanation:NO

Which element would you expect to have the largest radius based on the Periodic Table?
Lead
Selenium
Chlorine

Answers

Answer:

Lead

Explanation:

As you move down the periodic table, the elements get larger and gain additional electron shells, increasing the radius.  In order, they are on the table as Chlorine, Selenium, Lead.


Which statement offers an explanation for why some parts of John Dalton's atomic theory were proven to be false?

Scientists today are more diverse and have more educational training

Mistakes were made in key calculations during experimenting

Extensive repeated testing was not completed to verify the results

Technology available at that time was limited.

Answers

Answer:d

Explanation:

Answer:

The answer is D

Explanation:

I took the test!

A cart has a mass of 35kg and a speed of 1.2m/s. What is its kinetic energy

Answers

Answer:

The answer is 25.2 J

Explanation:

The kinetic energy of an object can be found by using the formula

[tex]KE = \frac{1}{2} m {v}^{2} \\ [/tex]

where

m is the mass

v is the velocity

From the question we have

[tex]KE = \frac{1}{2} \times 35 \times {1.2}^{2} \\ = 17.5 \times 1.44 [/tex]

We have the final answer as

25.2 J

Hope this helps you

Answer:

25.2 J

Explanation:

Using the kinetic energy formula:

KE = [tex]\frac{1}{2}[/tex]m v²

Plug in the given values:

KE = [tex]\frac{1}{2}[/tex] (35 kg) · (1.2 m/s)²

KE = [tex]\frac{1}{2}[/tex] (35) · 1.44

KE = 17.5 · 1.44

KE = 25.2 J

There is a kinetic energy of 25.2 Joules.

A substance with a pH of 3 has more ____________ions than ____________ions

Answers

Answer:

Hydrogen... Hydroxide

Explanation:

The number in pH is a logarithm, so when something has a higher pH by 1, it is 100 times more powerful.

Besides, the H in pH is Hydrogen.

How do you convert in the metric system?

Answers

Answer:

To convert among units in the metric system, identify the unit that you have, the unit that you want to convert to, and then count the number of units between them. If you are going from a larger unit to a smaller unit, you multiply by 10 successively. If you are going from a smaller unit to a larger unit, you divide by 10 successively

Explanation:

hope it helps

does anyone know how to do the alien periodic table im stuck and cant go furhter

Answers

Answer:

The answers that I drew in blue are for the first part then it will say click a nonmetal or something which is the one I drew in Red.

Explanation:

Hope this helps

Which statements describe a human-created mass extinction? Select three correct choices.

Answers

Answer:

Explanation:

where are the choices? I could help but im going to need those choices?

Sorry.

Answer:

-it results from the disappearance of entire species in a short time

-it is caused by the growth of the human population

-it is a long-term change

(A,C, & D)

Explanation:

I got the question right in Edg.

:)

What is the volume of a box that has a length of 5 cm a width of 7 cm and a height of 9 cm

Answers

Answer:

V = L × w × h

V = 5 × 7 × 9

V = 315 cm³

The amount of kinetic energy an object has depends on which feature of the object?

Answers

Answer:

mass

Explanation:

The amount of kinetic energy an object has, depends on its mass and its speed.

Answer: motion

Explanation:

I just took the quiz in edging

If an unknown sample contains 39.04% sulfuric acid by mass, then a 0.9368 g of that sample would require _____ mL of 0.2389 M NaOH for neutralization.
A) 31.22
B) 39.98
C) 7.80
D) 79.96
E) 15.61

Please give an answer and an explanation, thanks!

Answers

Answer:

A) 31.22

Explanation:

The reaction of sulfuric acid with NaOH is:

H₂SO₄ + 2 NaOH → Na₂SO₄ + 2H₂O

To solve this problem we need to determine the moles of acid that will react, and, using the chemical equation we can determine the moles of NaOH and the volume that a 0.2389M NaOH solution would require to neutralize it.

Moles H₂SO₄ (Molar mass: 98.08g/mol):

0.9368g * 39.04% = 0.3657g H₂SO₄ * (1mol / 98.08g) =

3.7289x10⁻³moles H₂SO₄

And moles of NaOH that you require to neutralize the acid are:

3.7289x10⁻³moles H₂SO₄ * (2 moles NaOH / 1 mole H₂SO₄) =

7.4578x10⁻³ moles NaOH

Using a 0.2389M NaOH solution:

7.4578x10⁻³ moles NaOH * (1L / 0.2389mol) = 0.03122L = 31.22mL

Right answer is:

A) 31.22

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