The following chemical equation shows the combustion of ethane. Balance the equation by filling in the coefficients.

Answers

Answer 1

Answer:

2 C2H6 + 4 O2 → 2 C + 2 CO2 + 6 H2O

Explanation:

2 C2H6 + 4 O2 →  2 CO2 + 6 H2O is the balance equation for the combustion of ethane. In the question, the equation for combustion of methane is unbalanced i. e. C2H6 + O2 → CO2 + H2O so by putting coefficient 2 in front of ethane, 4 in front of oxygen, 2 in front of carbondioxide and 6 in front of  water which can balance the unbalanced equation for combustion of ethane


Related Questions

The modern cell theory doesn't say

A all living things are multicellular

B cells are the smallest living unit in all organisms

C all cells come from other cells

D all living things are made of cells

Answers

Answer:

A

Explanation:

Modern cell theory states: cells are the basic unit of structure and function for all living things, all cells come from preexisting cells, and all living things are made from cells. It does not state that all living things are multicellular, in fact there are plenty of unicellular organisms. Therefore the answer is A.

Which process BEST explains how DNA is replicated?
A)
DNA is conservative. The original strands of nucleotides do not separate. A
copy composed of two new strands containing all of the new DNA base
pairs is produced to come together.
DNA is semi-conservative. The original strands of nucleotides do not
separate. A copy composed of two new strands containing all of the new
DNA base pairs is produced to come together.
B)
DNA is semi- conservative. The original strands of nucleotides do not separate. A copy composed of two new strands containing all of the new DNA base pairs is produced to come together.
C)
DNA is semi-conservative. The two strands of nucleotides separate. It
produces two copies of the original DNA molecule, each of which contains
one of original strand, and one new strand.
D)
DNA is dispersive. The original DNA chain breaks and recombines in a
random fashion before the double helix structure unwinds and separates to
act as a template for messenger RNA synthesis.

Answers

Answer:

C)

DNA is semi-conservative. The two strands of nucleotides separate. It

produces two copies of the original DNA molecule, each of which contains

one of original strand, and one new strand.

The statement that best explains the process of replication is statement C.

What do you mean by DNA replication?

DNA replication may be defined as the process by which a molecule of DNA is duplicated, where a parental strand gets divided into two daughter strands.

DNA is semi-conservative. The two strands of nucleotides separate. It produces two copies of the original DNA molecule, each of which contains one of the original strand, and one new strand.

Therefore, the statement that best explains the process of replication is statement C.

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Explain why the cell membrane is the brain of the cell, as opposed to the nucleus.

Answers

Answer:

because it holds the information needed to conduct most of the cell's functions.

Cell membrane controls the transport of molecules across the cell and its external environment, Thus, it is called as the brain of the cell.

Why is cell membrane important?

Cell membrane regulates most of the cellular activities through the property of selective permeability.

It is responsible for maintaining the cellular equilibrium through influx and efflux of ions and molecules.

There are various receptors present on the cell membrane which regulates the vital biochemical processes taking place in the body.

Cell membrane functions in the cell-cell recognition and cell signalling through various receptors.

Cell membrane is important in regulating body homeostasis. It offers the protective environment to the cell.

Control and regulation of activities is processed through brain.

Therefore, cell membrane is considered as the brain of the cell.

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(((25 POINTSS!!!! DUE SOON!! PLS HELP)))
The table below shows the number of rabbits living in an area of forest over 4 different generations. The table also breaks down their population size by fur color. Which statement below gives the best explanation of this data?

image link: https://imagebank.illuminateed.com/imagebank/1357110

Answers

Answer:

In a forest the brown rabbit would be the best

Explanation:

Answer:

C

Explanation:

True or False: Just one change in the sequence of nucleotides or bases in DNA can change the code.

Answers

Answer:

true

Explanation:

Match the body systems and interaction descriptions:
1. Circulatory and Respiratory
2. Digestive and Circulatory
3. Nervous, Muscular, and Skeletal
4. Circulatory and Integumentary
5. Muscular and Digestive
6. Respiratory and Muscular
7. Circulatory and Skeletal
8. Excretory and Circulatory
9. Nervous and Integumentary
10. Muscular and Circulatory

_. Nutrients pass into the circulatory system to be carried to body cells
_. Lungs supply oxygen carried by blood to cells of the body
_. Production of blood cells in bone marrow
_. Chewing, swallowing and movement of food through the digestive tract
_. Pumping of the heart & blood
_. Daily movement and coordination
_. Kidneys remove wastes from blood
_. Cooling through dilation of blood vessels near the surface of the skin
_. Sense of touch
_. Movement of the diaphragm in breathing

Answers

2. Nutrients pass into the circulatory system to be carried to body cells

1. Lungs supply oxygen carried by blood to cells of the body

7. Production of blood cells in bone marrow

5. Chewing, swallowing and movement of food through the digestive tract

6. Pumping of the heart & blood

3. Daily movement and coordination

8. Kidneys remove wastes from blood

4. Cooling through dilation of blood vessels near the surface of the skin

9. Sense of touch

10. Movement of the diaphragm in breathing

There are numerous parts to the human body. Every physical portion serves a distinct purpose.

What is body systems and their interaction?

There are numerous parts to the human body. Every physical portion serves a distinct purpose. To better comprehend how the human body's components interact with one another and work together as a whole, scientists divide the body into systems. A group of bodily parts that cooperate to carry out a specific task is known as a body system.

For instance, the integumentary system, that shields the body from its surroundings, is made up of the skin, hair, and nails. Another instance of an organ that guards the body is the immune system.

1. Lungs supply oxygen carried by blood to cells of the body

2. Nutrients pass into the circulatory system to be carried to body cells

3. Daily movement and coordination

4. Cooling through dilation of blood vessels near the surface of the skin

5. Chewing, swallowing and movement of food through the digestive tract

6. Pumping of the heart & blood

7. Production of blood cells in bone marrow

8. Kidneys remove wastes from blood

9. Sense of touch

10. Movement of the diaphragm in breathing

Therefore, there are numerous parts to the human body. Every physical portion serves a distinct purpose.

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PLEASE PLEASE PLEASE HELP AND GIVE EXPLANATION TOO!

FOR EXAMPLE: THE TYPE OF HEAT TRANSFER IS RADIATION BECAUSE...

*I ALREADY WROTE THE TYPE OF TRANSFER DOWN I JUST NEED EXPLANATIONS*


1.) Candle - The type of heat transfer here is radiation because...


2.) Tea Kettle & Mugs - The type of heat transfer here is conduction/convection because...


3.) Lamp - The type of heat transfer here is radiation because...



7.) Toaster - The type of heat transfer here is conduction/convection/radiation because...


9.) Radiator/Heater - The type of heat transfer here is radiation because...

Answers

Explanation:

1. a burning candle enits radiation in the form of heat and light, this is because of it emission of energy in rays or waves

2.tea and kettle mugs transfer heat by the actual movement of matter. heat leaves the nug as the currents of the steam and air rise. This also emmits heat to the surrounding area.

3.Radiation refers to the emission of energy in rays or waves. In this, a lamps energy is emmiting rays of heat the expands its heat and light to the surrounding area.

7. the coils in the toaster heat the air which heats the toast. A toaster uses infrared radiation because when you put food in the coild glow red.

9. this is beacuse, low wavelength, non visable infared radiation can carry heat directly from warm objects to cooler objects. It emmits and expands its heat energy to the surrounding area and other objects.

What is true of all body cells except sex cells?


Each cell type carries chromosomes and genes that identify it as that specific type of cell. For example, skin cells have different chromosomes and genes than muscle cells.


While each cell in the body contains the same number of chromosomes, each cell type has different genes along those chromosomes.


While each cell type in the body contains the same kinds of genes, they are organized on different chromosomes depending on the cell type.


Each body cell contains the same number and kinds of chromosomes for that organism. The chromosomes contain the same number and kinds of genes for that individual.

Answers

Explanation:

Each cell type carries chromosomes and genes that identify it as that specific type of cell. For example, skin cells have different chromosomes and genes than muscle cells.

Burning fossil fuels for energy releases harmful emissions into the air. Which health concern is most likely related to these emissions?
A) Increases in blood cancers such as leukemia
B) Increases in skin disorders from absorption
C) Increases in respiratory illnesses such as asthma
D) Increases in digestive disorders from contaminated food

Answers

Answer:

Explanation:

its either c or b sorry if it is wrong

Answer:

C

Explanation:

If the harmful emissions are being released into the air, then the most logical answer would be an increase in respiratory illnesses auch as asthma.

It cannot be B or C because they specify that the disordera come from absorption and contaminated food, respectively.

It is most likely not A either.

Union of haploid and diploid gamete results in a zygote that is

Answers

Answer:

Triploid

Explanation:

The process whereby gametes produced by different sexes of the same species of organism come together is called FERTILIZATION. A gamete is said to be HAPLOID (n) if it contains one set of chromosomes while it is DIPLOID (2n) if it contains two sets of chromosomes.

Hence, if an haploid (n) and diploid (2n) gamete unites, a zygote that is TRIPLOID (3n) emerges or forms. A triploid zygote will have three sets of chromosomes i.e. n + 2n = 3n.

We have come to know that the primary component of the plasma membrane is the phospholipid. What makes these molecules so unique and the perfect building block for a bilayer is ...

Group of answer choices

a phospholipid has both polar and nonpolar regions

a phospholipid is able to firmly attach to the neighboring phospholipid

all choices are correct

a phospholipid is both positively and negatively charged

Answers

I thing 1............

What are four economically important sediment resources?

Answers

Answer: lithogenous, biogenous, hydrogenous, and cosmogenous

Explanation:

PLSS HELP

Look at the picture and answer the question(s) that follow.

Which of these strata are MOST likely the oldest?
-J and E
-K
-A and F
-D and E

Answers

I think it's J and E
J and E are the oldest

which one contains many organelles with different functions prokaryotic cell eukaryotic cell​

Answers

Answer:

Eukaryotic Cell

Explanation:

Eukaryotic cells contain membrane-bound organelles, such as the nucleus, while prokaryotic cells do not. Differences in cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts, the cell wall, and the structure of chromosomal DNA.

eukaryotic cells is the answer

Question 1 of 25
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Which animal will use a hollowed-out tree stump as a home?
O A) a beaver
OB) a bear
OC) an eagle
OD) a rabbit

Answers

i think it would be a rabbit
B: A bear
Bears hibernate in roots, rock crevices, And hollow trees. Sometimes the den is not much larger then the bear

Explain why it is always necessary to de-starch a plant​

Answers

Because of the soil sediments

difference between chlorenchyma and parenchyma​

Answers

Answer:

Explanation:

Parenchyma

1. They have thin cell wall.

2. Their cell wall is made up of cellulose.

3. They are unspecialized tissues.

4. The are found in soft part of the plant.

5. They undergo photosynthesis and can stored the food and also play important role in gaseous exchange.

6. There are spaces between the cells.

Collecchyma.

1. They are thick cell walls.

2. Their cell walls are made up of cellulose and lectin.

3. They are specialized tissues

4. They are found in plants leaves and petioles.

5 The do not undergo photosynthesis but act to give mechanical support to plants.

6. They have little intercellular spaces.

Parenchyma and collecchyma are both tissues found in plants..

Which of the following best explains why the biosphere is a key component of the Earth’s systems?
a.
The biosphere is a key component of the Earth’s systems because it is a common concept to many disciplines in science.
b.
The biosphere is a key component of the Earth’s systems because the seasonal cycles directly affect primary productivity.
c.
The biosphere is a key component of the Earth’s systems because it helps drive the other systems by interacting with and exchanging matter and energy with the other spheres.
d.
The biosphere is a key component of the Earth’s systems because it has evolved to create the chemical composition of the planet we know today.


Please select the best answer from the choices provided

A
B
C
D

Answers

B, The biosphere is a key component of the Earths system.

Answer:

c. The biosphere is a key component of the Earth’s systems because it helps drive the other systems by interacting with and exchanging matter and energy with the other spheres.

Explanation:

TRUE or FALSE: Dolphins are found in tropical areas, highly developed
swimmers and have highly advanced echolocation. *
True
False

Answers

Answer:

true

Explanation:

the amswer is true have a nice day

Platinum is a catalyst humans use in fuel cell. Although for green energy humans use some bacteria that releases enzymes such as hydrogenase to perform functions as platinum in fuel cell. This is an example of
a. Biofilm
b. Biosensing
c. Biomimicry

Answers

Answer:

B

Explanation:

90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on nine comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love u

Provide an explanation for why the indigo dye did not adhere to the different fibers in your test fabric. You will need to do a little bit of outside research on what chemicals make up some of the fibers. You may also need to do some research on intermolecular forces and why some interactions are stronger than others. Please make your explanation at least 500 words in two or more paragraphs. At least one in-text citation is required along with a list of your source(s) in your preferred citation style (MLA, APA, ACS, Chicago Style, etc.).

Answers

Answer:

Due to lack of bonds.

Explanation:

The indigo dye did not adhere to the different fibers because the indigo dye did not make bonds with the fiber, it only attached to it physically for temporary period of time. The reduced state is also necessary for indigo because indigo cannot dissolve in water, but when it is reduced it can soluble and able to get inside a fiber to make physical bond with the fiber. Some interactions are stronger than others because of the presence of strong bond between the two different materials so strong bonding makes the materials to attach with each other for a long period of time or permanently.

HELP PLS!!! (PSYCHOLOGY) I'LL GIVE YOU BRAINLIEST IF UR RIGHT!!

Nate is a teacher who has been in the dassroom for 25 years. When a new teacher is hired, he offers to be a mentor because he loves helping new teachers get inspired about working with children. He wants to help make sure that the teaching profession remains high quality. How would Erikson MOST likely describe Nate's efforts?
A.) Nate is working en generativity.
B.) Nate is working on ego integrity.
C.) Nate is working on intimacy.
D). Nate is working on acceptance​

Answers

Answer:

A.) Nate is working on generativity

Explanation:

Generativity is the ability to provide care or concern for younger or older genrations. Nate offers to be the mentor because he loves helping the new teachers get inspired about working with children. According to Erik Erikson theory of psychosocial development, generativity can refer to "making your mark" or impact on the world through creating or nurturing things that will outlast in an individual/individuals.

The image above depicts a triangular piece of land, ACD, with two roads, segments BE and CF, cutting across the property. The owner wishes to add a fence along segment BC. The entire triangular piece of land is an isosceles triangle in which sides AC and CD both equal 9 miles. Segment CF represents the perpendicular bisector of the 13 mile-long base. If triangles BKC and FKE, formed from the intersection of the two roads, are congruent and segment AE is equal to side CD, what is the length of segment BC?

Select one:
A. 2.5 miles
B. 3.0 miles
C. 3.5 miles
D. 4.0 miles

Answers

Answer:

A. 2.5 miles

Explanation:

I completed it n got 100 lol

gene mutations can occur
a. exposure to chemical mutagens
b. exposure to gamma radiations

Answers

Answer:

b

Explanation:

Show a competition between organisms in this food chain below
HELP ASAP PLZ!!!!

Answers

Answer:

8tvitcrixuzu3duecitvurvih igb

Of the parts of the electromagnetic spectrum listed below, which has the shortest wavelength?
A.
visible light
B.
infrared radiation
C.
radio waves
D.
X-rays

Answers

radio waves. hope this helps!

WILL GIVE BRAINLIEST.Read the passage. Seth sat at the piano, and I saw him take a deep breath. Sweat was dripping off of his brow, and his left hand was twitching slightly—the obvious result of nerves. He took another deep breath and slowly, painfully exhaled. Then, he gently placed his hands on the keys and his fingers began to move gracefully up and down the keyboard. What emerged was the most beautiful music I had ever heard. Why is this passage an observation? It tries to reflect the everyday lives of ordinary people. It describes an event the writer has witnessed. It reveals a deep truth about a character. It portrays the physical appearance of a person.

Answers

Answer:

2.

Explanation:

it describes an event the writer has witnessed

If air pollution increases enough to begin reducing the amount of solar radiation to
reach the surface of the earth,
A. the ocean's thermocline would be directly affected
B. the salinity of the surface of the ocean would not be affected
C. the ocean would no longer be layered
D. more oxygen could be stored in the ocean

Answers

Answer:

options c.....

...........

An artist is making a circular stained glass window with a diameter of 10in. The stained glass costs$4.40 per square inch

Answers

Answer:

44

Explanation:

What do you observe about the structure
of the white blood cell? How do you think
this is related to its function of trapping
pathogens in the body?
Please help I’ll give brainlyiest

Answers

Answer:

White blood cells engulf and digest pathogens and any other unknown material in the blood and tissues. They engulf the pathogen into a vesicle called a phagosome. This fuses with a lysosome and the enzymes break down the pathogen.

White blood cells foremostly recognize any pathogen or foreign substance in the body and then engulf it with the help of receptors like Toll-like receptors. Finally, the killing of antigen takes place by phagocytosis.

What do you mean by Pathogens?

Pathogens may be defined as any microorganisms which are capable of inducing diseases in other living organisms.

After engulfing, the antigen is packed under a vesicle known as a phagosome. This phagosome is then treated with lysosomes to form a structure known as phagolysosomes.

Thes phagolysosomes are responsible for the breakdown of antigen, which is then presented by MHC molecules to perform perforin-granzyme mediated killing of antigen.

Therefore, it is well described above.

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