Explain your observations. What did you observe as you added phenolphthalein to the ammonia solution? What did you observe when vinegar was added?

Answers

Answer 1

Answer:

Liquid ammonia is liquefied ammonia and is basic in nature. It dissolves in water to give ammonium hydroxide which ionizes to give hydroxyl ions. Therefore it turns red litmus blue and phenolphthalein solution pink.


Related Questions

what is the primary pigment that makes leaves green in land plants?

Answers

Chlorophylls
hope this helps!!

Chlorophyll is the primary pigment that makes leaves green in land plants, by absorbing red and blue light.

What is chlorophyll?

It is a pigment present in the plant leaves, through which plant leaves apers green in observation, it plays several roles in the plants other than the green appearance of the leaves.

During photosynthesis, this chlorophyll pigment is responsible to form reaction center through which light is absorbed and leads to a process through which light converts into chemical energy for the synthesis of food.

It is present in the chloroplast, which is the site of photosynthesis, and provides the necessary components for plant food synthesis.

Therefore, the primary pigment that makes leaves green in land plants is known as chlorophyll.

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Is the pelvic girdle part of the axial or appendicular skeletal system?

Answers

Answer:

b. Appendicular

Explanation:

Answer:

B

Explanation:

Plato Anatomy 2.3 content quiz

Does quartzite occur naturally

Answers

Yes. The intense heat and pressure of metamorphism causes the quartz grains to compact and become tightly intergrown with each other, resulting in very hard and dense quartzite.

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identify the region of the sphenoid bone in contact with the pituitary gland.

Answers

Answer:

The sella turcica is a depression in the central region of the sphenoid bone. It houses the pituitary gland.

drag each label into the appropriate category to designate whether the given item describes elements of gray or white matter of the spinal cord.

Answers

In regards to the composition of the spinal cord, the grey matter is the centermost substance, whilst white matter is located towards the peripherals.

Though I could not locate the labels and categories online in order to properly classify each one, I can provide a general overview of the subject to aid in your understanding and ability to complete the project.

The spinal cord acts as a path through which billions of signals from the brain travel to reach the rest of the body. This pathway is occupied by grey and white matter, which are the representation of the billions of neurons that make up the central nervous system.

Grey matter is located towards the center of the spinal cord and is often described to be in the shape of a butterfly. Grey matter is the accumulation of nerve cell bodies and unmyelinated axons. In contrast, white matter makes up the surrounding area to that of grey matter and corresponds to the myelinated axons of various nerve cells. The white coloration of the white matter is due to the myelin itself.

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13. Which muscle allows you to flex your big toe?

Answers

Answer:

Flexor hallucis longus

Explanation:

This muscle lies deep inside your leg. It runs down the lower leg all the way to the big toe. It helps you flex your big toe so that you can walk and hold yourself upright while on your tiptoes.

Organize these rock layer from youngest to oldest
Breccia

Conglomerate

Dolostone

Shale

Answers

Conglomerate,Shale,Dolostone

From youngest to oldest are Breccia, Conglomerate, Dolostone, and Shale, and as per geology, the principle of superposition states that in a sequence of layered rocks, the youngest layer is on top and the oldest layer is at the bottom.

What are rock layers?

Breccia is the youngest layer in the sequence. Breccia is a coarse-grained sedimentary rock made up of angular fragments of other rocks that have been cemented together. It is formed through a process called brecciation. Conglomerate is also a coarse-grained sedimentary rock, but unlike breccia, its fragments are rounded and well-worn, indicating that they have been transported over a distance by water or wind before being deposited and cemented, and dolostone is older than both breccia and conglomerate. Shale is the oldest layer in the sequence.

Hence,    From youngest to oldest are Breccia, Conglomerate, Dolostone, and Shale.

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mrna is synthesized in translation or transcription

Answers

Answer:

transcription

Explanation:

mRNA is synthesized in the nucleus using the nucleotide sequence of DNA as a template. The process of making mRNA from DNA is called transcription.

IMPORTANCE OF TRANSPORT MECHANISMS IN CELLULAR PROCESSES.

Answers

Explanation:

Small substances constantly pass through plasma membranes. Active transport maintains concentrations of ions and other substances needed by living cells in the face of these passive movements. Much of a cell's supply of metabolic energy may be spent maintaining these processes.

Fill in the Blank

15. Describe the structure of a lipid. It has a ____. head and a ____ tail

20. The specific molecule that an enzyme interacts with is called the_____ please help meeee

Answers

Answer:

1.Phospholipids

2.

enzymes

Spelling and vocabulary words:
Organisms
Reproduction
Structure
Substances
Unicellular
Osmosis
Division
Photosynthesis
Organ
Function
Membrane
Cytoplasm
Nucleus
Chloroplast
Chlorophyll

Can y'all help me find the definitions of these words, it'd for my science exam and I'm revising. I can't search them up rn cuz I have to go to bed and I don't wanna get in trouble and I really wanna get this done.

Thxx will provide big points and brainiest for first answer​

Answers

Organism
An animal or plant a single life form

Reproduction
Reproduction is production of a baby/offspring

Structure
To construct following a plan

Substances
A physical matter where is something is made

Unicellular
A single celled organism

Osmosis
the movement of water molecules

Sorry. That’s all I can do I have to get to class Good luck!

What is created by the flow of electric current?
A battery
An electric field
A magnetic field
A resistor​

Answers

A magnetic field is created by the flow of an electric current.

A magnetic field is created

the electron transport chain consists of a series of membrane-bound carriers that shuttle protons and electrons to nadh. true or false?

Answers

Answer:

ture

Explanation:

The statement "the electron transport chain consists of a series of membrane-bound carriers that shuttle protons and electrons to NADH" is absolutely false.

What is the Electron transport chain?

The electron transport chain may be defined as a sequence of four protein complexes that significantly perform a couple of redox reactions in order to construct an electrochemical gradient that directs to the formation of ATP in an overall system that is named as oxidative phosphorylation.

The electron transport chain typically includes the series of electron transporters that are generally embedded in the inner membrane of mitochondria in order to shuttle down the electrons only from NADH and FADH2 to molecular oxygen.

While the given statement reveals that electrons and protons both shuttle to NADH but FADH2 is also involved.

Therefore, the statement which is given about the electron transport chain is definitely false.

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which type of biomolecule is a prominent part of animal tissue that functions in insulation to help animals conserve heat?

Answers

Answer:

Protein

Explanation:

protein is one of the 4 biomolecules that involve animal tissue functioning to help animals conserve the heat.

What does R represent?

Answers

Answer:

resistance

Explanation:

in the equation

voltag= current* resistance

Answer:

R = resistance

Explanation:

Parent gives one sex chromosome to their offspring. Whose chromosome determines the sex of the child.





Father

Mother

Grandfather

Grandmother

Answers

Men determine the sex of a baby depending on whether their sperm is carrying an X or Y chromosome.

what is the role of the enzyme aromatase in sexual differentiation in reptiles?

Answers

Answer:

Aromatase helps to convert sex steroids, a group of hormones that influence sex development and reproduction, from male sex hormones (androgens) to female sex hormones (estrogens)

Explanation:

hope it helps you

Carbon, Hydrogen, and Chlorine atoms combine chemically. What best describes this
combination that is the result?
Atom
Compound
Element

Answers

Consideting the definition of compound, the correct answer is second option: Carbon, hydrogen and chlorine atoms combine chemically, forming compounds.

A compound is any substance formed by the union of two or more types of chemical elements, linked together by chemical bonds.

In other words, A chemical compound is the substance that results from the combination of two or more different chemical elements linked under a certain arrangement and in certain proportions.

Each compound has a chemical name (which responds to certain nomenclature rules) and a formula that indicates the elements it is composed of and the number of atoms each contains.

Then, the correct answer is second option: Carbon, hydrogen and chlorine atoms combine chemically, forming compounds.

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which is a flap of tissue that folds down to close off the entrance to the larynx and trachea when you swallow?

Answers

Epiglottis I believe it to be called my guy

How can detritivores be beneficial to the environment?
O A) allow predation to occur
O B) rid waste and dead matter
O C) provide food for autotrophs
O D) facilitate photosynthesis in plants

Answers

Answer:

B

Explanation:

QUESTION:

How can detritivores be beneficial to the environment?

O A) allow predation to occur

O B) rid waste and dead matter

O C) provide food for autotrophs

O D) facilitate photosynthesis in plants

ANSWER:

O A) allow predation to occur

O A) allow predation to occurO B) rid waste and dead matter

O C) provide food for autotrophs.

O D) facilitate photosynthesis in plants

__________________

CARRY ON LEARNING

CAN YOU BRAINLEST ME PLEASE

Interpreto la imagen: 1. ¿Qué sensaciones te transmite la
fotografía? 2. ¿en dónde se encuentra el fósil del ser vivo
que se observa en la fotografía? 3. ¿A qué reino de la
naturaleza pertenecía el ser vivo de la fotografía? ¿Por qué?
4. ¿Cómo explicarías a una persona que es la evolución a
partir de esta fotografía? 5. La fotografía muestra un fósil
de cocodrilo de la especie C.Robustus, evidencia
paleontológica que demuestra la existencia de estos
animales desde el triásico y el jurásico en el planeta tierra.
¿Por qué crees que, a una institución como el laboratorio
de Ciencias de la Tierra de Lyon, en Francia, le puede
interesar estudiar un espécimen como este?.

Answers

Answer:

what image

Explanation:

promoters of many genes have regions that are rich in adenines and thymines. what is the most likely reason for this?

Answers

Answer:

Many promoters of a hypothetical conserved gene have mostly adenines and thymines. What is the most likely reason for this high proportion of adenines and thymines? This is the region for separating template and non-template strands, and A-T base pairs are easier to separate than G-C base pairs.

Explanation:

which famous composition duo was known for creating many influential operettas?

Answers

The famous composition duo that existed in history and work to create an operettas that is very famous  are Gilbert and Sullivan.

Operetta can be regarded as a form of theatre as well as  a genre of light opera. This concept entails spoken dialogue as well as songs

Gilbert and Sullivan were men that work hand in hand to create influential operettas in history.

They were a famous Victorian-era theatrical that engaged in partnership of dramatist , they work hand in hand to achieve a great fit around 1830s.

Therefore, Gilbert and Sullivan are great men in operetta world

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Which type of fossil can help is understand an organisms activity during its time?

Answers

Probably the footprint

what by-product of anaerobic respiration makes this possible

Answers

Answer:

The end products of anaerobic respiration are Lactic acid or ethanol and ATP molecules. Anaerobic respiration takes place in the absence of oxygen and is seen in lower animals. During the process of Anaerobic Respiration in prokaryotes, there is a breakdown of glucose to produce energy for cellular activities.

Explanation:

rank up

Frank is putting money into a savings account. He starts with $750 in the savings account, and each week he adds $40.

Let S represent the total amount of money in the savings account (in dollars), and let W represent the number of weeks Frank has been adding money. Write an equation relating S to W. Then use this equation to find the total amount of money in the savings account after 17 weeks.

Answers

Answer:

750+(40xW)=S

750+(40x17)=----------

Explanation:

Please help! Its for a grade and im confused.

Answers

From point W to point Z, the ball is B- Potential energy was transformed to kinetic energy. We know this because, at point W, the ball is in its potential form, it has the potential to roll but it has not yet started to. As we let the ball go, we turn that potential energy into kinetic energy, which is the energy that it has due to its motion.

I hope I've helped! :)

In what stage do cells spend most of their life

Answers

Answer:

the interphase stage

info at

https://www.genome.gov/genetics-glossary/Cell-Cycle#:~:text=A%20cell%20spends%20most%20of,mitosis%2C%20and%20completes%20its%20division.

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How does cellular differentiation benefit complex organisms?

Answers

Answer:

This is because of the fact that it causes changes in size, shape, metabolic activities as well as signal responsiveness of cells.

Explanation:

Answer:

Cellular differentiation is beneficial and important for complex organisms.

Explanation:

Cellular differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression. Gene expression occurs because of certain signals in your body, both inside and outside of your cells.

pls help 4-7 35 point ​

Answers

Answer:

sorry i havent learn about this yet

4. The main difference between natural selection and genetic drift is that the natural selection is a process where more adaptive species are selected in response to the environmental challenges whereas genetic drift is a random selection.
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Describe about USA, tell something important. Does anybody know this question Someone help me with this I will make you brain What languages do you speak? if you double the force of and object what happens to the acceleration Please help (NO LINKS) WIll give brainlest to the person who has right answer Problem:Report ErrorOn Tuesday, a radio store reduces all of its prices by 20% from what they were on Monday.On Wednesday, the store again reduces all of its prices by some percentage from what they were on Tuesday. If the resulting price of a radio is half of the original Monday price,then by what percentage did the store reduce its prices from Tuesday to Wednesday? What's the theme of the story ' On a Mountain Trail'? Approximate 650.385 to 1 decimal place Personal letters, even ones such as Wheatley's that were later published innewspapers, offer a rare opportunity to hear women's voices from the past. Whatdistinguishes Wheatley's and Adams's writing from the rhetoric of Patrick Henry,Thomas Jefferson, and Tom Paine? What do their letters reveal about how womenwere expected to behave in early America? .Name the control group ___________________________ 2.Name the experimental group ____________________ 3.Name the independent variable __________________ 4.Name the dependent variable __________ how many heart transplants did david rockefeller have It is roughly 5,900 miles to fly from Denver to Rio de Janeiro. If it takes the airplane roughly 12 hours to reach its destination of Rio de Janeiro, what was the average speed of the airplane in feet per hour? Please i need urgent right answer what constitutional amendment protects a defendant from being put on trial a second time for the same instance of a crime? A line has a slope of 1 and passes through the point (10, 13). What is its equation in slope-intercept form? What is the implied main idea of this paraghraph ?"For an older person who lives alone, having a dog in the house or apartment provides companionship. Physical contact with a dog can also be helpful. Patting a dog has been shown to lower the blood pressure of both the human and the dog. A dog owner frequently talks to the pet, and talking helps keep the owners mind active. In addition, the dog depends on the person for its survival. Being needed by another living creature creates a sense of purpose in a senior citizens life. The dog must be fed and walked at regular intervals. This helps the person maintain a daily routine and stay physically active in older age. Dog walking also encourages the owner to have contact with other human beings. " Pls help ASAP I dont get it Solve for XMarking you the brainliest provided you got it right and with step by step explanation BEST ANSWER WILL GET BRAINLIEST. Consider the table below. For what value of x does f(x)=-1f(x)=1 ?