How to know how many electrons are involved in bonding of propane ?

Answers

Answer 1
propane because it has the most molocules and best for airing things out.
Answer 2

In the bonding of propane ([tex]C_{3}H_{8}[/tex]), there are 18 electrons involved.

You must count the electrons in propane's bonding using its Lewis structure. Propane ([tex]C_{3}H_{8}[/tex]) has three carbon and eight hydrogen atoms.

How to calculate bonding electrons:

Count the molecule's valence electrons.

Three carbon atoms supply 12 valence electrons since carbon possesses four.

Eight hydrogen atoms contribute 8 valence electrons.

20 valence electrons: 12 (carbon) + 8 (hydrogen).

Single-bond atoms to form the molecule's skeleton.

Propane's skeleton is H-C-C-C-H.

To complete atom octets, distribute leftover electrons.

Start by bonding each carbon atom to the surrounding hydrogen atom with two electrons.

Distribute the remaining electrons to satisfy the carbon and hydrogen octet rule.

Count bonding electrons.

Each bond has two electrons—one from each bonding atom. Propane has nine C-H bonds, therefore bonding electrons total: 18 electrons from 9 C-H bonds.

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Related Questions

other that uses probing are

Answers

Answer:

Clarification. A clarification question requires a simple fact-based response. ...

Recommendation. A recommendation probing question involves a certain degree or persuasion. ...

Example. An example question is ideally suited for responses that may be vague or confusing. ...

Extension.

Explanation:

PLEASE HELP! ill give brainliest if it ACTUALLY helps-

which is a physical change?
a.) rusting iron
b.) burning paper
c.) cracking egg shell
d.) reacting baking soda and vinegar

Answers

Answer:

C) cracking an egg shell

Explanation:

because it is ireverable

YW have a good day :)

Answer: C.

Explanation:

because you are simply breaking it you are not making a chemical reaction.

What are the products in the following formula? 6CO2+6H2O→C6H12O6+6O2
1. 6H2O and C6H12O6
2. 6CO2 and 6H20
3. C6H12O6 and 6O2
Please help if possible! Thanks!

Answers

The products are C6H12O6 and 6O2 (glucose and oxygen)! This is because 6CO2 (oxygen) + 6H2O -> in the presence of sunlight yields C6H12O6 (glucose) and 6O2 (oxygen)
i know someone else answered this already, but please remember the order of chemical equations follows:
reactants -> products
-> is called ‘yield’ which indicates the direction of the reaction

What is the shape of planetary orbits?

Question 1 options:

circular
square
rectangular
elliptical

Answers

i believe its elliptical
elliptical should be the answer! Hope this helped

Is there a connection between a star's size and a star magnitude? Give an example from your data to support your answer.

Name a different property other than the ones in the chart that can also be used to classify stars.

information

1: Star name: Sirius
Apparent magnitude: 1.46
Size: Twice the size of the sun
Distance from earth: 8.58 (ly)
Location of the star: Canis Major
Color: Blue

2: Star name: Altair
Apparent magnitude: 0.77
Size: 17 times the size of the sun
Distance from earth: 16.8 (ly)
Location of the star: Aquila
Color: Blue - white

3: Star name: Vega
Apparent magnitude: 0.03
Size: 2 and a half the size of the sun
Distance from earth: 25 (ly)
Location of the star: Lyra
Color: Blue - white

4: Star name: Spica
Apparent magnitude: 1. 04
Size: 4.00 times the size of the sun
Distance from earth: 250 (ly)
Location of the star: Virgo
Color: Blue

5: Star name: Deneb
Apparent magnitude: 1.25
Size: 200 times the size of the sun
Distance from earth: 1,500 (ly)
Location of the star: Cygnus
Color: blue - white

6: Star name: Pollux
Apparent magnitude: 1.14
Size: 10 times the size of the sun
Distance from earth: 33.78 (ly)
Location of the star: Gemini
Color: orange

7: Star name: Regulus
Apparent magnitude: 1.35
Size: 3.8 times bigger than the sun
Distance from earth: 79.3 (ly)
Location of the star: Auriga
Color: Blue - white

8: Star name: Capella
Apparent magnitude: 0.08
Size: 9 times bigger than the sun
Distance from earth: 42.9 (ly)
Location of the star: Auriga
Color: yellow-orange


9: Star name: Procyon
Apparent magnitude: 0.34
Size: 1.4 times bigger than the sun
Distance from earth: 11.46 (ly)
Location of the star: Canis major
Color: yellow - white

10: Star name: Achernar
Apparent magnitude: 0.44
Size: 6-8 times bigger than the sun
Distance from earth: 144 (ly)
Location of the star: Eridanus
Color: bright blue

Answers

Answer: Answer is below

Explanation:

Is there a connection between a star's size and a star magnitude?

The brighter the star, the smaller the magnitude. So, no. There was no connection between the size and magnitude.

Name a different property other than the ones in the chart that can also be used to classify stars.

Temperature, mass, color, luminosity, and size.

The magnitude of a star decreases with its brightness. So, no. The size & magnitude had nothing to do with one another.

What is star?

All of us are reasonably familiar with stars. On the majority of clear nights, we can see them as minuscule, glittering specks of light throughout the sky. Numerous poems, stories, or nursery rhymes have been written about stars.

The star is supported against gravity by nuclear fusion events in its core, which also yield photons, heat, and trace amounts of metallic elements. The Sun comes the star that is closest to Earth. The magnitude of a star decreases with its brightness. So, no. The size & magnitude had nothing to do with one another. mass, colour, luminosity, size, and temperature. In addition to the ones that are in the chart, these are separate properties.

Therefore, the magnitude of a star decreases with its brightness. So, no. The size & magnitude had nothing to do with one another.

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Which statement best describes the Sun-Earth-Moon system during a spring
A. The Moon's orbit is perpendicular to Earth's orbit.
B. The Sun, Earth, and the Moon are arranged in a straight line.
O C. The Sun, Earth, and the Moon form a night angle.
D. The Moon's orbit brings it closer to Earth.
(extra points for who ever answers first and the right answer please)

Answers

Answer:

That answer is B

Explanation:

The sun's gravity pulls on earth's water while the moon gravity pulls on water in the same places

It is B ….. the sun earth and the moon are arranged in a straight line

hello! please answer this question, i need help with it, and, i need a factual answer provided with evidence, thank you: why don't all clouds produce rain?

Answers

When a cloud is created by water vapor in the air, there are dozens of water droplets in the cloud. They fall downward due to gravity, but sometimes do not make it to the surface as rain. This is because the air gets warmer the closer you are to ground level. So as the droplets fall, they evaporate causing the cloud to not produce rain.
This question has a simple yet complicated answer but to answer your question all clouds don't produce rain because when water evaporates from Earth they store up into a cloud and the more the cloud gets the more it cannot hold its like when you hold something and the more you hold it getting heavier and heavier intill it all falls down and rains down to the floor I hope this was helpful!

Which part is pointing to the gel-like liquid that holds the organelles, and which is the site of much of the cell's metabolism?
Select one:

4


2


1


6


8

Answers

Answer: hope this helps ♡

2 and 3

Explanation:

The gel-like liquid that holds the organelles is called the cytoplasm. (2)

The site of much of the cell's metabolism is called the mitochondria. (3)

A cell membrane acts as a boundary between the cell and its external environment. What is another role of the cell membrane?

A. It stores nutrients for the cell.

B. It synthesizes food for the cell.

C. It helps keep the cytoplasm of the cell in a liquid state.

D. It allows the cell to control the movement of materials in and out.

Answers

the answer is D, it controls what comes in & out the cell, well i hope so!
D is the answer because it acts like a gate that lets materials im and out

Explain how the process of weathering changes rock to eventually, over a long time, to become soil.

Answers

Answer:

Rocks turn into the soil through the process of weathering. Weathering is when rocks are broken down into smaller pieces. Over time a large rock is broken into smaller and smaller pieces, eventually turning into soil. Chemical weathering occurs when water gets inside of a rock and reacts with some of the mineral components of the rock, chemically changing them and weakening the rock's structure. This causes the rock as a whole to break down, and over time chemical weathering can break a rock into small enough pieces to become soil. Once the rock is in very tiny pieces, it mixes together with organic and other inorganic elements to form the soil we are familiar with.

Explanation:

The amount of coal burned to produce electricity by a typical coal plant in the United States during a three year period has increased by 30%.

What immediate impact will this increase in the consumption of coal have on the environment?

A. a decrease in freshwater resources

B. an increase in non-biodegradable wastes

C. an increase in greenhouse gas emissions

D. a decrease in atmospheric O2

Answers

The correct answer is C.

I would appreciate it if you would mark my answer as brainliest.

How does carbon move around on Earth?

Answers

Answer:

Carbon moves from plants and animals to soils. When plants and animals die, their bodies, wood and leaves decays bringing the carbon into the ground. Some is buried and will become fossil fuels in millions and millions of years. Carbon moves from living things to the atmosphere.

Answer:

Explanation:

How does carbon move between the 4 spheres on earth?

CARBON ENTERS THE ATMOSPHERE THROUGH DEATH/DECAY OF PLANTS & ANIMALS, FOREST FIRES, RESPIRATION, BURNING FOSSIL FUELS AND VOLCANIC ERUPTIONS. CARBON ENTERS THE HYDROSPHERE BY DISSOLVING INTO OCEAN WATER. CARBON ENTERS THE GEOSPHERE THROUGH DEATH/DECAY OF PLANTS & ANIMALS.

What are two minerals that could not be identified by using just one property?

Answers

Color that’s the answer
Color. One of the most obvious properties of a mineral is color. Color should be considered when identifying a mineral, but should never be used as the major identifying characteristic.

Identify what are the two types of processes that break down rock and eventually, over a long time create soil?

Answers

Answer: Weathering is often divided into the processes of mechanical weathering and chemical weathering. Biological weathering, in which living or once-living organisms contribute to weathering, can be a part of both processes.

Explanation:

As ocean water salt concentration increases, the _____.

Question 1 options:

water density increases and rises to the top of the sea.


water density decreases and rises to the top of the sea.


water density decreases and sinks to the bottom of the sea.


water density increases and sinks to the bottom of the sea.

Answers

Answer:

The answer is D. water density increases and sinks to the bottom of the sea.

Explanation:

As water concentration increases, the density does as well, I believe it would sink to the bottom of the sea.

Place the following types of electromagnetic radiation in order from LOWEST energy to HIGHEST energy? (A) visible light (B) gamma rays (C) radio waves Question 9 options: A, C, B C, A, B B, C, A C, B, A

Answers

Answer:

C, A, B

Explanation:

hope this helps!

science please help me with this

Answers

Answer:

a lack of genetic variety

first one is the correct one

A lack of genetic variety


The first one

Which statement below gives an example of thermal expansion?

A. drops of water form on the outside of a glass of water
B. a puddle of water disappears in the sunshine
C. frost forms on a window
D. the volume of a liquid in a container increases with temperature

Answers

Answer:

i think its D.

Explanation:

i’m pretty sure it’s d

Which activity requires people to use fossil-fuel resources?
O A. Buming wood in a campfire
O B. Turning a turbine on a wind farm
O C. Eating fruit, vegetables, and chicken
OD. Powering a furnace with natural gas

Answers

Answer:

b and d

Explanation:

B turning a turbine on a wind farm ! :)

HELP!!!Which statement best describes the Sun-Earth-Moon system during a spring
A. The Moon's orbit is perpendicular to Earth's orbit.
B. The Sun, Earth, and the Moon are arranged in a straight line.
O C. The Sun, Earth, and the Moon form a nght angle.
D. The Moon's orbit brings it closer to Earth.

Answers

B.

Spring tides occur during a new/full moon. The sun, moon and earth form a straight line during these phases.
B, the sun earth and moon are arranged in a straight line.

The diagram shows molecules entering and leaving a cell over a period of time. What controls this process?
Select one:

the ribosomes

the vacuoles

the cell wall

the cell membrane

Answers

Answer:

I believe it is The Cell Wall or The Cell Membrane

It is the cell membrane the cell wall does not let anything in

In your own words, what was the purpose of this lab?


Hypothesis:
In this section, please include the if/then statements you developed during your lab activity. These statements reflect your predicted outcomes for the experiment.

Test One: If I breed a short fur, FF female with a short fur, Ff male, then I will expect to see (all short fur; some short and some long fur; all long fur) offspring.

Test Two: If I breed a short fur, Ff female with a short fur, Ff male, then I will expect to see (all short fur; some short and some long fur; all long fur) offspring.

Test Three: If I breed a long fur, ff female with a long fur, ff male, then I will expect to see (all short fur; some short and some long fur; all long fur) offspring.


Procedure:
The procedures are listed in your virtual lab. You do not need to repeat them here. Please be sure to identify the test variable (independent variable) and the outcome variable (dependent variable) for this investigation.

Remember, the test variable is what is changing in this investigation. The outcome variable is what you are measuring in this investigation.

Test variable (independent variable):
Outcome variable (dependent variable):


Data:
Record the data from each trial in the data chart below. Be sure to fill in the chart completely.

Test One

Parent 1: FF

Parent 2: Ff


Phenotype ratio:
________ :

________
short fur :

long fur

Test Two

Parent 1: Ff

Parent 2: Ff


Phenotype ratio:
________ :

________
short fur :

long fur

Test Three

Parent 1: ff

Parent 2: ff


Phenotype ratio:
________ :

________
short fur :

long fur

Conclusion:
Your conclusion will include a summary of the lab results and an interpretation of the results. Please write in complete sentences.

Which genotype(s) and phenotype for fur length are dominant?
Which genotype(s) and phenotype for fur length are recessive?
If you have a hamster with short fur, what possible genotypes could the hamster have?
If you have a hamster with long fur, what possible genotypes could the hamster have?
Did your data support your hypotheses? Use evidence to support your answer for each test.
Test One:
Test Two:
Test Three:
Which hamsters are the parents of the mystery hamster? Include evidence to prove that they are the correct parents.
In this lab, you will investigate how organisms inherit traits.

Objectives:

explain that every organism requires a set of instructions that specifies its traits
explain the difference between dominant and recessive traits or alleles
recognize phenotype as the physical expression of the genotype
recognize genotype as the collective sum of all alleles and their specifying traits
analyze animals to demonstrate evidence of the hereditary information that is passed from one generation to another. Welcome to Hamster Haven!

We are the world's largest pet store and research facility dedicated to studying hamster heredity.

Inside we have a team of geneticists who oversee the breeding and offspring of the hamsters to ensure that we have many varieties for our customers to choose from.

Recently, our team of geneticists has been studying how hamsters inherit fur length.

You are invited to join our team to assist in the process.

Let's take a look at our geneticist notebook to learn more about how traits are inherited.Let's take a closer look at cells. Inside of each cell is a nucleus. The nucleus is like the command center for the cell and houses all of the cell's genetic material, called chromosomes. Tightly wrapped in the chromosomes are individual proteins, called genes, on strands of DNA.raits are determined by the genes the hamsters inherit.

Each hamster can inherit the trait for long fur or the trait for short fur.Let's examine the hamsters that you will be investigating today.

Select each hamster to learn more about its dominant and recessive traits.

Dominant Trait

Recessive Trait

Answers

Answer:

Objective(s):

In your own words, what was the purpose of this lab?

In this lab report, the purpose is that hamsters carry traits fro parents.

Hypothesis:

In this section, please include the if/then statements you developed during your lab activity. These statements reflect your predicted outcomes for the experiment.

Test One: If I breed a short fur, FF female with a short fur, Ff male, then I will expect to see (all short fur; some short and some long fur; all long fur) offspring.

All short fur

Test Two: If I breed a short fur, Ff female with a short fur, Ff male, then I will expect to see (all short fur; some short and some long fur; all long fur) offspring.

Some short and some long

Test Three: If I breed a long fur, ff female with a long fur, ff male, then I will expect to see (all short fur; some short and some long fur; all long fur) offspring.

All long fur

Procedure:

The procedures are listed in your virtual lab. You do not need to repeat them here. Please be sure to identify the test variable (independent variable) and the outcome variable (dependent variable) for this investigation.

Remember, the test variable is what is changing in this investigation. The outcome variable is what you are measuring in this investigation.

Test variable (independent variable):
Outcome variable (dependent variable):

Data:

Record the data from each trial in the data chart below. Be sure to fill in the chart completely.

Test One

Parent 1: FF

Parent 2: Ff

FF

FF

Ff

Ff

Phenotype ratio:

____0____ :

___4_____

short fur :

long fur

Test Two

Parent 1: Ff

Parent 2: Ff

FF

Ff

Ff

ff

Phenotype ratio:

1 :

____3____

short fur :

long fur

Test Three

Parent 1: ff

Parent 2: ff

ff

ff

ff

ff

Phenotype ratio:

4 :

___0_____

short fur :

long fur

Conclusion:

Your conclusion will include a summary of the lab results and an interpretation of the results. Please write in complete sentences.

1. Which genotype(s) and phenotype for fur length are dominant? FF

2. Which genotype(s) and phenotype for fur length are recessive? ff

3. If you have a hamster with short fur, what possible genotypes could the hamster have? It would probably be Ff or a ff

4. If you have a hamster with long fur, what possible genotypes could the hamster have? It would be Ff or an FF

5. Did your data support your hypotheses? Use evidence to support your answer for each test.

◦ Test One:? ◦ Test Two:?

◦ Test Three:?

6. Which hamsters are the parents of the mystery hamster? Include evidence to prove that they are the correct parents.?

Explanation:

Here you go!

The purpose of this lab is to learn to breed different types of hamsters for giving a variety to the customers.

Why a hamster is being Genetically modified ?

So as to produce hamsters which have different looks that attract customers.

In this lab you are studying about how a hamster inherit traits from their parents when you breed short fur and long fur female and male in various orders.

After completion of this experiment in the lab you will have the idea of how every organism requires a set of instructions that decides its traits.You will be able to identify the dominant and recessive traits of a hamster when different fur female and male are made to breed , and how the heredity is passed from one generation to another .

Hence by getting the idea of all these things you will be able to breed different type of hamster , and that has helped the pet store to make different offspring with different characteristics for customers with different requirements.

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Why is ice less dense than liquid water?​

Answers

Answer:

because the ice is melt and the water is not melting

Explanation:

sana makatulong po itong answer ko

In water and ice there are two types of bonds, covalent bonds within the water molecules, and hydrogen bonds between the molecules. Hydrogen bonds are weaker than the covalent bonds.
As the water freezes, the hydrogen bonds start to take a greater part in the bonding, which orders the molecules into a regular crystal structure. This regular structure is not as closely packed as the random liquid structure, which means the water expands slightly, decreasing its density.

Identify each wave interaction based on how it changes direction.
The wave changes direction as it bends and scatters.



The wave changes direction as it changes its speed.



The wave changes direction at an angle equal to the angle of incidence.

Answers

took a screenshot for you since the guy above is a degen


Draw the three-carbon hydrocarbons propane, propene, and propyne. Classify each molecule, and explain the differences between them. Answer:

Answers

The term hydrocarbon refers to a compound that is composed of only hydrogen and carbon.

What is a hydrocarbon?

The term hydrocarbon refers to a compound that is composed of only hydrogen and carbon. The compounds propane, propene and propyne are alkane, alkene and alkyne respectively.

The structure of  each of the molecules are shown in the image attached to this answer. The compounds contain single, double and triple bonds respectively.

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All of the internal structures shown in the diagram together make up what level of organization?
an organ system
a tissue
a cell

Answers

I think the answer is An organ system

Answer:

1.) atom; tissue

2.) cell

3.) organ

4.) true

5.) atom

6.) Particle

Organs that work together are grouped into organ systems. The organism level is the highest level of organization. An organism is a living being that has a cellular structure and that can independently perform all physiologic functions necessary for life.

The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems.

Life processes of the human body are maintained at several levels of structural organization. The six levels of the structural organization are Chemical, cellular, tissue, organ, system and organism.

The diagram shows a plant cell.
Which structure controls every activity of the cell?

A. structure 1
B. structure 2
C. structure 3
D. structure 4

Answers

Answer:

B. structure 2

Explanation:

It represents nucleus which is the brain of the cell

B. structure 2
Explanation: the nucleus is like the head of the cell so it controls everything that goes on in there

The graph shows Mississippi’s electrical generation using various sources of energy for May 2013.


Which Mississippi energy source most likely emits the most greenhouse gases in one month?

A. coal

B. natural gas

C. nuclear

D. other renewables

Answers

The answer is A, coal.
I think The answer is a .

Help this is science class and it’s not necessary my best class and I’m kinda slow at learning

Answers

Answer:

d

Explanation:

you can elimate a as your body has a fever to fight the infection and antibiotics are just there  to assist.   b is elimanated as slowing the life cycle would be modifying the germs genetic's which is not how antibiotcs work they just your bodys imune system.  c is elminated as stated in the question  the virus came back which not be possible if the bacteria stoped reproducing.   that leaves d which means that yould likley be perscribed a diffrent anti biotic

I think the answer is d

The structure that the arrow is pointing to holds water for this plant cell. This structure is a - ?
Select one:

ribosome

cell wall

vacuole

mitochondria

Answers

Answer:

that is a vacuole.

Explanation:

the vacuole!

a space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.
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What is the solubility of mg(oh) at a ph of 12.70? (ksp mg(oh) is 1.6 10) What is the circumference of a circle with a diameter of 8 inches?a 12.56b 25.12c 50.24d 200.96 Elements in which family would require the least amount of ionization energy (theamount of energy used to take away an electron)?transition metalsAlkali metalsAlkaline earth metals The Iliad and The Odyssey were most likely _____.A. written by authors who survived the Trojan War and knew Odysseus.B. short summaries of the war and the warriors travels.C. very detailed and descriptive.D. comedies. Mr. Mattingly, a well-to-do farmer, has a legal right to apply pesticides to his fruit trees. One year, he decided to hire a crop-dusting airplane to spread a pesticide on his orchard. An unexpected gust of wind blew the chemical onto a neighbor's beehives, killing all the bees. The neighbor sued Mattingly for the value of the 60 beehives. Mattingly argued that a good fruit farmer has to apply pesticides and that the crop duster had exercised extreme caution in applying the chemicals. How would you decide this case? Explain your answer The renal corpuscle consists of a capillary called the ____________ and a capsule of epithelial cells. There are 420 fans at a high school basketball game. The ratio of students to parents is 5 to 2. Exactly how many more students are there thanparents at the game? Why does the government restrict the type of questions that an interviewermay ask a job candidate?A. To reduce discrimination in the hiring processB. To help track unemployment numbersC. To ensure that the best candidate is hiredD. To make sure more women are hired The following are ages of 16 of the signers of the Declaration of Independence.43, 62, 35, 45, 42, 46, 39, 31, 60, 37, 39, 47, 35, 36, 35, 40Send data to calculatorFind 10th and 75th percentiles for these ages.(a)The 10thpercentile: 0(b)The75thpercentile: 05? What is the quotient of (x3 3x2 3x 2) (x2 x 1)? x 2 x 2 x 4 x 1 Although party loyalty is often considered by Presidents when appointing judges, it should not be considered.TrueFalse ANSWER THIS!!!!!!!! PLEASEEEEEE!!!!! CLICK ON THIS ONE!! A(n) _____ may be defined as a compound which contributes hydroxide ions or increases the OH- concentration when dissolved in water.saltbaseesteracid In which sentence do the subject and verb agree?O A. Tweezers is very useful.O B. The binoculars is on the counter.C. The government is complicated.O D. The forest are very green.Answer:C The Government is complicated Trust Me I Wouldnt Lie Write an example problem(s) for area. Who sponsored christopher columbus expedition to the americas. Point m lies between points l and n on line segment l n . the space between l and m is 10 x 8. the space between m and n is 5 x minus 4. if ln = 12x 16, what is the length of line segment l n in units? 16 units 40 units 48 units 64 units the area of a parallelogram measures 171 cm the base of the parallelogram is 18 cm in length which of the following best represents the height of the parallelogram A. 11cm B. 9.5 C. 13.5 D. 8cm give step by step explanation which of the following statement is true of signal molecules While mining, Joan found a large metal bar that weighed 20 ounces. Joan was also able to determine that the bar contained 65% tin. How many ounces of tin are in the metal bar? Round your answer to the nearest whole number if necessary.(I will mark brainliest if you answer+explain)