Which of the following is an empirical formula?
will mark brainlyist

Which Of The Following Is An Empirical Formula? Will Mark Brainlyist

Answers

Answer 1

Answer:

I believe its  the 3rd option

Explanation:

Answer 2

Answer:

Number 3

Explanation:

C3H8, C3H8 is an example of an empirical formula. It represents the relative number of atoms in the simplest ratio.


Related Questions

What type of asexual reproduction do bacteria most commonly use?

Answers

Answer: Binary Fission

Explanation:

When a sound is louder what
measurement gets bigger?

Answers

Answer:

The bigger the amplitude is, the louder and more intense the sound.

You stir your hot cocoa with a silver spoon that has a mass of 0.032 kg. The spoon’s temperature increases from 20 K to 60 K. What is the change in the spoon’s thermal energy? (Hint: Use the table in Figure 6 to find the specific heat of silver.) SHOW YOUR WORK.

Formula:

Answer:



help!!!!!!

Answers

Answer:

A

Explanation:

A

Explain the law of conservation of mass and give an example that demonstrates it.

Answers

Answer:

Mass Cannot be created or destroyed. So everything that goes into a chemical reaction has to come out the other side, like cars driving into a tunnel. Any balanced equation of a chemical reaction is an example

can acidic oxide react with acids?
If not, why?

Answers

Answer:

no

Explanation:

Acidic oxides, or acid anhydride, are oxides that react with water to form an acid, or with a base to form a salt. They are oxides of either nonmetals or of metals in high oxidation states.

Answer:

The answer is no!

Acidic oxides, or acid anhydride, are oxides that react with water to form an acid, or with a base to form a salt. They are oxides of either nonmetals or of metals in high oxidation states.

Which fossil fuel is causing the most pollution? PLEASE HELP TIS ASSIGNMENT IS PAST DUE I NEED HELP

Answers

Answer:

Coal is the fossil fuel causing the most pollution.

Explanation:

I hope this helps.

Scientists often repeat experiments multiple times.
Why is this important?
A.
Repeating an experiment helps to verify the results.
B.
Repeating an experiment turns a hypothesis into a theory.
C.
Repeating an experiment allows scientists to test different variables.
D.
Repeating an experiment gives scientists something to do while they think of new hypotheses.

Answers

Answer:

A

Explanation:

Hi! The reason scientists often experiments multiple times is because repeating an experiment helps to verify the results.

A compound with molecular formula C6H9No that has an amide functional group and does not have an alkene group

Answers

Answer:

Following are the responses to the given question:

Explanation:

[tex]\to C_6H_9NO[/tex]

calculating the HOI:

[tex]= \frac{2C+2+N-H-X}{2} \\\\ =\frac{2\times 6+2+1-9-0}{2}\\\\ =\frac{12-6}{2}\\\\=\frac{6}{2}\\\\=3[/tex]

So, in the above compund there are three bounds or we can say that one is double and two bound is single.

Please find the attachment file of the Function group:

In the above given conditon compound doesn't include the alkene functional group that is absense of[tex]-C=C-[/tex] , and compound include [tex]-C\equiv C-[/tex]  So, please find the attached file of the structure of the compound:

As the temperature of a gas is increased, the average kinetic
energy of its molecules

Answers

Answer:

Increases.

Explanation:

Temperature is the measure of the average kinetic energy of a system. As temperature increases, so will kinetic energy. As kinetic energy increases, speed increases.

(NH4)2 + NaOH -> NH3 + Na2SO4 + H2O how to make this balanced

Answers

Answer:

(NH4)2SO4 + 2NaOH --> 2NH3 + Na2SO4 + 2H2O

Explanation:

The _________ force between the sun and the Earth keeps the Earth in its orbit. The period of ______ is the time it takes for Earth to complete one orbit.

Question 1 options:

revolution, gravitational


rotate, gravitational


gravitational, rotate


gravitational, revolution

Answers

Gravitational and revolution

Gravitational force is the force between the sun and the Earth keeps the Earth in its orbit. The period of revolution is the time it takes for Earth to complete one orbit.

What is gravitational force?

Gravitational force is a kind of attraction force which acts between the two bodies.

Sun's gravitational force is a 3 dimensional attraction force under which earth is present. And due to centripetal force of sun, orbit of earth is present in the stationary state. Earth revolves around the sun to complete one round of orbit and this motion is known as revolution of earth.

Hence, gravitational force is present between the sun and the earth, and revolution is the time to complete one orbit.

To know more about gravitational force, visit the below link:
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“Nature vs. nurture” is a debate about
A
whether a trait is learned or inherited.
B
the traits of plants vs. the traits of animals.
с
whether animals can teach humans new traits.
D
whether a trait was acquired outdoors or indoors.

Answers

Answer:

Letter A

whether a trait is learned or inherited

Explanation:

The nature versus nurture debate involves the extent to which particular aspects of behavior are a product of either inherited (i.e., genetic) or acquired (i.e., learned) influences. Nature is what we think of as pre-wiring and is influenced by genetic inheritance and other biological factors.

The debate called Nature vs. nurture is about whether a trait is learned or inherited. This is an investigation on learned traits and nurtured traits in humans. Thus option A is correct.

What are learned traits ?

All living things are learning something during their growth. These learning mold up one's personality and cannot be created by birth. Like the good characteristics we are learning from schools. These behaviors are called learned traits.

Some traits or behaviors are created by birth itself and they are called natural traits. The nature versus. nurture debate is a philosophical, scientific, and cultural discussion about whether human culture, conduct, and personality are largely influenced by nature or nurture.

Environment, culture, and experience are the most prominent definitions of nurture in this discussion, whereas nature is frequently regarded as genetic or hormone-based behaviors, characteristics, and dispositions.

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A gardener cut her finger while pruning shrubs. She noticed that after two weeks the wounds had nearly healed with just a small scar remaining. Which statement describes what will happen next?

A. Each one of the individual cells near the wound will grow in size to cover the injured part.
B. Cells will be transported from distant areas to the wound to cover the injured area.
C. The cells near the wound will produce identical cells by mitosis to repair the damaged tissues.
D. A material will be released by the injured cells that will cover the wound and repair the cells.

Answers

Answer:

c

Explanation:

The wound will be healed by the production of new cells near the wound by the cell replication process and the therefore the identical cells are produced by the mitosis to repair the damaged tissues.

Note the below points about mitosis;

The mitosis is a process in which the cell replication occurs.In mitosis, the single parent cell is divided into two identical daughter cells by the process of cell division, it takes by time.The mitosis involves the healing of wound, growth of the organisms, replacement of the worn out cells.

Thus, mitosis is the process involved in the healing of wound in living beings.

Therefore, we can say that the answer of the question is C. The cells near the wound will produce identical cells by mitosis to repair the damaged tissues.

Learn more about mitosis:

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Please help me with questions 43, 44, and 45

Answers

im que se puede encontrar un segundo lugar en a las que se puede hacer un trabajo en la it was correct but i said that he would not answer the answer

Which of the following are analogous features? A. dolphin flippers and squirrel arms B. elephant trunks and pig snouts C. rabbit fur and chicken feathers D. dog tails and monkey tails

Answers

Answer:

Explanation:

the answer is rabbit fur and chicken feathers i did that and i got it right i did a quiz i am in middle school 7th grade but here you go the answer

HNO3 + H2SO4 + NO
You now have these half-reaction equations:
3e + HNO3 → NO
S→ H2SO4 + 6e
Which factor will you use for the top equation?
Which factor will you use for the bottom equation?

Answers

Explanation:

The two half equations are;

3e + HNO3 → NO

S→ H2SO4 + 6e

When balancing half equations, we have to make sure the number of electrons gained is equal to the number of electrons lost.

Which factor will you use for the top equation?

We multiply by 2 to make the number of electrons =  6e

Which factor will you use for the bottom equation?

We multiply by 1 to make the number of electrons = 6e

Answer:

2

1

Explanation:

At a constant temperature the pressure on a 10.0L sample of gas is charged from 1140 torr to 1.00 atm. What is the new volume of gas sample?

Answers

Answer:

15 L

Explanation:

From the question given above, the following data were obtained:

Initial volume (V₁) = 10 L

Initial pressure (P₁) = 1140 torr

Final pressure (P₂) = 1 atm

Final volume (V₂) =?

Recall:

1 atm = 760 torr

The new (i.e final) volume of the gas can be obtained as follow:

Initial volume (V₁) = 10 L

Initial pressure (P₁) = 1140 torr

Final pressure (P₂) = 760 torr

Final volume (V₂) =?

P₁V₁ = P₂V₂

1140 × 10 = 760 × V₂

11400 = 760 × V₂

Divide both side by 760

V₂ = 11400 / 760

V₂ = 15 L

Therefore, the new volume of the gas is 15 L

The valency of chlorine is.

what does it mean

Answers

Answer:

Explanation:

The valency of chlorine is 1 .It means that chlorine has seven valence electrons in its valence shell so it gains one electron from others to be stable during chemical reaction. so its valency is 1.

hope it helps :)

What are some of the obstacles sperm face as they travel through the female reproductive system?

Answers

Answer:

well they have to get through the cooter without getting dissolved by acid or getting stuck in mucus. and they have to guess which tube they need to go into. then if they are luckys one nut will get to become child

Explanation:

Answer:

Some sperm get stuck in the lining of the uterus.

Others are destroyed by the female’s immune system.

Some of the sperm head down the wrong fallopian tube.

Explanation:

right on edg:) or you could use the other guys answer the comments are pretty funny

leave a heart :))

3
What is compression?
A
When alr molecules move apart from one another.
B
When alr molecules collide with one another.
C
When alr molecules become packed tightly together.
D
When alr molecules move around freely.

Answers

The answer is C, “when air molecules become tightly packed together”

If i add water to orange juice is that a physical change or chemical change?

Answers

Answer:

Nope, not a chemical change.

Explanation:

i hope this helps ok bye luv!!!!!!!!!!!!!!!!!!!!

molar mass of 4Fe(OH)2

Answers

Answer: The molar mass and molecular weight of 4Fe is 223.38.

How many Protons, Electrons, and Neutrons are there in Oxygen

Answers

Answer:

Name                        Oxygen

Atomic Mass                 15.999 atomic mass units

Number of Protons 8

Number of Neutrons 8

Number of Electrons 8

Explanation:

A scuba diver swims deeper and deeper into the ocean. What happens to the nitrogen in her blood as she goes deeper

Answers

Answer:

it compresses under the pressure.

Explanation:

when she comes up, it will re-expand as pressure goes down- this is why they have to be very careful how fast they come back up.

Answer:

If a diver goes through too great of pressure change too quickly, their body cannot eliminate all of the expanding nitrogen and the excess nitrogen forms bubbles in their tissues and blood. These nitrogen bubbles can cause decompression sickness (DCS) by blocking blood flow to various parts of the body, causing strokes, paralysis, and other life-threatening problems.

chemistry help please!! ​

Answers

Answer:

no so boring........................

3)Methanol can be produced as follows: CO (g) + 2 H2 (g) + CH4O (g)
If 250.0 L of hydrogen gas are reacted with excess CO at STP, how many grams of CH40 can be produced?

Answers

2 H2 CH40

22.4 32 g

250 x


22.4 is the volume at STP conditions, 32g is the molar mass of CH4O.
you cross multiply and the answer is 357 g

Most hot air balloons are round. Yes, you can have some other shapes like this one, but its shape is still rounded. Using the assumptions, explain why a square hot air balloon would be hard to make.

Answers

I have to take the bowling in around in the shapes

A square hot air balloon would be hard to make because the round shape of traditional hot air balloons allows for even distribution of heat, which is necessary to maintain the balloon's lift and stability.

What is a hot air balloon ?

A hot air balloon is a balloon filled a heated air which can rise above the atmosphere. In a round balloon, the heat from the burner is evenly distributed around the circumference of the balloon, causing the air inside to heat up and rise, which in turn causes the balloon to lift.

If a hot air balloon were to be made in a square shape, the heat would be distributed unevenly and concentrated in certain areas. This could cause the balloon to become unstable, as the hot air would rise in some areas but not others, leading to uneven lifting and potential loss of control.

Additionally, the corners of the square shape would be more susceptible to damage and could create weak points in the structure of the balloon.

Therefore, while it is possible to create hot air balloons in other shapes, the traditional round shape has been found to be the most effective and efficient for maintaining the necessary heat distribution and stability required for safe and successful flight.

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A balloon filled with helium has a volume of 30.0 L at a pressure of 100 kPa and a temperature of 15.0 C. What will the volume of the balloon be if the temperature is increased to 80.0 C and the pressure remains constant? (Hint: Use the Charles law equation)

Answers

Answer:

The final volume of the balloon is 24.480 liters.

Explanation:

Let consider that no leakages occur in the balloon during the isobaric process and that helium behaves ideally. From Equation of State for Ideal Gases, we construct the following relationship:

[tex]V_{o}\cdot T_{o} = V_{f}\cdot T_{f}[/tex] (1)

Where:

[tex]V_{o}[/tex], [tex]V_{f}[/tex] - Initial and final volume, measured in liters.

[tex]T_{o}[/tex], [tex]T_{f}[/tex] - Initial and final temperature, measured in Kelvin.

If we know that [tex]V_{o} = 30\,L[/tex], [tex]T_{o} = 288.15\,K[/tex] and [tex]T_{f} = 353.13\,K[/tex], the final volume of the balloon is:

[tex]V_{f} = \frac{V_{o}\cdot T_{o}}{T_{f}}[/tex]

[tex]V_{f} = 24.480\,L[/tex]

The final volume of the balloon is 24.480 liters.

if a solution has a pH of 1.50, what is the pOH of the solution?

Answers

Answer:

pOH = 12.50

Explanation:

pOH + pH = 14

pOH = 14 - 1.50 = 12.50

um...Is sulfur dioxide ionic or molecular?

Answers

Answer:

It is a molecular compound.

Explanation:

Answer:

Sulfur dioxide, SO2, is a molecular compound.

Explanation:

It contributes to acid rain, and CaCO3 is an ionic compound that can neutralize acid rain.

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