Contrast a heterogeneous mixture and a homogeneous mixture.

Contrast a heterogeneous mixture and a homogeneous mixture.

  • CHEMISTRY

Contrast a heterogeneous mixture and a homogeneous mixture.

Mixture is a combination of two or more different substances that have not combined chemically. Compounds can be contrasted from mixtures as combination of two or more elements that have combined…

  • CHEMISTRY

Both elements and compounds are pure substances. How then do these two classifications differ?

Elements differ from compounds at the level of molecular structure. molecules of elements contain only one type of atoms in it. In contrast molecules of compounds are formed bu combination of more…

  • CHEMISTRY

What method is used to distinguish between a colloid and a suspension? What could someone observe…

Solutions,colloids and suspensions are all mixture of two or more substances. However solutions are homogeneous mixtures in which different components of the mixtures can be distinguished only at…

  • CHEMISTRY

How can you tell the difference between a substance and a mixture?

A substance is a general word that can be used for any kind of material including elements, compounds and mixtures. Perhaps the the word substance is used by mistake instead of compound. A third…

  • THE SECRET LIFE OF WALTER MITTY

What is the rising and falling action of The Secret Life of Walter Mitty?

In The Secret Life of Walter Mitty, I think you can point to several points across the plot for the rising action. At the point when we see Mitty’s second day dream and he is a doctor, we are into…

2 educator answers

  • CHEMISTRY

What are the chemical formulas for fog, sand, and vinegar? Or do they not have chemical formulas?

Sand and fog are both mixture and therefore they do not have a chemical formula. Sand is term used for material that ones consisted of rocks and has, as a part of natural process, crumbled to small…

  • CHEMISTRY

Please classify these as either elements, compounds, solutions, or heterogeneous mixtures, please…

Classifications of the material listed in the question is indicated below against each substance. Copper: Element Copper chloride(CuCl2): Compound Chex mix: I am not cleat what substance is this….

  • FAHRENHEIT 451

Could someone give me a synopsis, summary or plot of what the story is about, before I start…

Fahrenheit 451 is an incredible book with powerful messages about both the devastating effects of censorship and the dangers of an apathetic attitude towads life, devoid of any substance. The…

1 educator answer

  • THE CRUCIBLE

What are some literary techniques/motifs in the entire work?It’s for a major work data sheet. The…

Arthur Miller clearly uses characterization and archetypes to develop his characters, demonstrate their change over time, and type-cast them. I would think about which characters are flat, static,…

1 educator answer

  • HISTORY

When was Christianity founded, as well as where?

Christianity was founded sometime in the early first century AD — sometime around 30 or 40 AD. The faith was founded in the area that is now Israel. Christianity was founded around the teachings…

1 educator answer

  • 1984

Find the poetic allusion on page 66.

Not every book has the same page numbers…

  • 1984

What is Winston speaking of when he says, “I understand HOW: I do not understand WHY” in Part…

In order to get the answer to this, just look above the line that you quote to us. If you look there, you will see that Winston is referring to his job. He is talking about how the Party takes…

2 educator answers

  • THE THINGS THEY CARRIED

Compare characterization techniques for “The Things They Carried” by Tim O’Brien and “Everyday…

“The Things They Carried” by Tim O’Brien and “Everyday Use” by Alice Walker present characters which the reader will not forget. Both skilled writers use specific character development…

1 educator answer

  • WHERE ARE YOU GOING, WHERE HAVE YOU BEEN?

Please compare and contrast in Oates’s and Poe’s stories:Arnold Friend in Joyce Carol Oates’…

While Joyce Carol Oates’s “Where Are You Going, Where Have You Been” treats the subject of a young teenage girl’ superficial and rebellious behavior and Edgar Allan Poe’s “The Cask of Amontillado”…

1 educator answer

  • THE ROCKING-HORSE WINNER

How many persons in the story were affected (or infected) with materialism?

“The Rocking Horse Winner” is certainly a story in which most, if not all, of the characters are consumed with things and/or money. This materialism, of course, causes at least one death, and it…

1 educator answer

  • REFERENCE

What does the sentence “I am the person you make me” mean to you?This is an original sentence of…

I would be interested to know in what context a person might be saying this line. I think the quote suggests that person is shaped by the people around that person. As human beings we are…

2 educator answers

  • THE THINGS THEY CARRIED

Use “The Things They Carried” by Tim O’Brien to fill in the gaps in understanding Henry in “The…

“The Red Convertible” by Louise Erdrich and “The Things They Carried” by Tim O’Brien show the difficulties of the Vietnam soldiers. In “The Red Convertible,” the soldier comes home…

1 educator answer

  • BEOWULF

Through Hrothgar’s achievements the poet suggest his own system of values. What seems to matter…

The poet doesn’t spend a lot of time in Beowulf extolling the virtues of Hrothgar. For most of the story, Hrothgar is therather defeated king of a people plagued by a ravaging monster. In the…

1 educator answer

  • BUSINESS

What is the meaning of options?

In terms of business and investing, options are a type of investment in which a buyer pays for the right to buy or sell some given asset at a particular price on or before a particular date. For…

1 educator answer

  • HISTORY

When and where was Islam founded?

Islam was founded in the 7th century AD. It was founded in what is now Saudi Arabia. The religion was founded through the efforts of a man named Muhammad who lived from 570 AD to 632. He is not…

1 educator answer

  • MATH

If f(x)= 6x^2+ ax + c, f(2)= 8 and f(5)= 12 what is a and c?

f(x) = 6x^2 + ax + C Given f(2) = 8 and f(5) = 12 ==>f(2) = 6(2^2) + a(2) + C = 8 ==> 24 + 2a + C = 8 ==> 2a + C = -16………(1) f(5) = 6(5^2) + a(5) + C = 12 ==> 150 + 5a + C =…

1 educator answer

  • MY SISTER’S KEEPER

Is it ethical to create a child with specific genetic factors?Is it ethical to create a child…

In my opinion, it is not ethical to do this. The reason is that we will soon have a race to create super children. Everyone who can afford it will have children who are genetically “better” than…

4 educator answers

  • SCIENCE

How can we define the term decibel?

A decibel is a way of measuring the magnitude of any physical quantity. Though most of us are familiar in its use to measure how loud a sound is. For measuring the intensity of sound in terms of…

  • MATH

For what dimensions of a rectangle is the perimeter to area ratio the lowest?

Perimeter = P Lenghth = L Width = w Area = A We know that: P = 2L + 2w A = L*W ==> the ratio of perimeter to Area is : P/A ==> P/A = (2L+2W)/L*w = 2L/L*W + 2W/L*w…

1 educator answer

  • JULIUS CAESAR

What is an example of how Cassius manipulates Brutus?

In Act 1, Cassius uses flattery to gauge Brutus’s willingness to join the conspiracy. Cassius expresses disgust that Caesar is so revered by the Romans, and he makes the point to Brutus that the…

2 educator answers

  • SCIENCE

What causes osteomalacia and how is it diagnosed?

The softening of bones due to defects in the mineralization of bones is called osteomalacia. One of the common causes of osteomalacia is the deficiency of vitamin D, a vitamin that is produced when…

  • THE SECRET LIFE OF BEES
  1. A) What was Mrs. Henry’s opinion of Lily? B) What political news brings Rosaleen great joy?

The story takes place in 1964. That was the year the Civil Rights Act was passed. That meant that Rosaleen and others of her race could register to vote. She was overjoyed that she would be allowed…

1 educator answer

  • SCIENCE

How does the ozone layer protect us from ultraviolet light?

The ozone layer is located in the stratosphere several miles above the Earth’s surface. Ozone is a very important atmospheric gas. As electromagnetic energy travels from the sun through space, it…

1 educator answer

  • HEART OF DARKNESS

Analyze how the presence of the Europeans affected the physical environment in Heart of…

In short, the Europeans exploit the African landscape and its people in the pursuit of material wealth and progress. The Imperialists show little concern or respect for the people or the physical…

1 educator answer

  • THE SECRET LIFE OF BEES

How does Lily try to find out information about her mother in The Secret Life of Bees?

All that Lily had to remind her of her mother was a picture of her, a pair of white gloves, and a wooden framed picture. In that picture there was a dark-skinned woman who was labelled the Black…

1 educator answer

  • THE SCARLET LETTER

What exactly do you think Hawthorne is trying to tell us about Pearl in The Scarlet…

Nathaniel Hawthorne gives us a lot of information and commentary on Pearl throughout The Scarlet Letter, and it’s up to the reader to decide how he or she feels about her. Pearl is a much more…

2 educator answers

  • HISTORY

Explain the 4 parts of the Declaration of Independence.What is the Preamble, Declaration of…

As you say, the Declaration of Independence has these 4 parts. The first part is the declaration of natural rights. It says that people have these rights by the fact that they are human. These are…

3 educator answers

  • OF MICE AND MEN

In Of Mice and Men, why doesn’t George go into town with Whit in chapter 3?

Of Mice and Men is the story of George and Lenny and those with whom they come in contact. Chapter 3 is full of some of the other characters in this novella, but it’s also an important…

2 educator answers

  • REFERENCE

what happen while we are sleeping?does our soul seperate our body, and the dreams we have ?…

It’s true the soul doesn’t leave the body during sleep. It’s also true that we dream, often about the things that have happened during the day or the week, or things we’re worried about, or things…

2 educator answers

  • IMMUNE SYSTEM

In immune response, how is the secondary response to an antigen different from the primary response?

The primary immune response to an antigen concerns the identification of the antigen and the development of the proper immune response; while the antigen is being identified, T-cells which kill…

1 educator answer

  • SCIENCE

With respect to the lymphatic system, what are the effects of positive selection, negative…

A term that is related to your question is “Natural Selection”. Charles Darwin coined this in his book “The Origin of the Species”, published in 1859. As applied to modern biology,…

1 educator answer

  • IMMUNE SYSTEM

How does the complement system assist the immune system?

The complement system is a class of proteins in the body that act alongside the immune system to attack and kill harmful cells. The complement system is constant throughout life; it does not change…

1 educator answer

  • THE TWISTED WINDOW

in “the twisted window,” what is the phisical, emotional, and relationship of brad?

no

  • RELIGION

Do you think religious authority should censor scientific theories that are supported by…

I do not think that anyone but scientists should be allowed to decide which scientific theories are going to be taught and which are not. I say this because only scientists have the knowledge and…

8 educator answers

  • THE LADY OR THE TIGER?

Internal and External Conflict?I need to know that the Internal and External…

If you’ve read this story, “The Lady or the Tiger?,” and understand what each of these types of conflict is, this is not a difficult question. Think about each character and ask yourself if he/she…

1 educator answer

  • NIGHT

Describe one of Idek’s bouts of madness in Night.

In Night, often animal imagery is used to describe the Jews–as in, they were herded or in a frenzy for food. In the passages where Idek the Kapo, their guard, goes crazy, Wiesel uses animal…

1 educator answer

  • SCIENCE

Is it true or false that dust raised by the impact of a meteorite on earth may have blocked the…

When you say “blocked the sun’s rays” do you mean that they were completely blocked so that the Earth was in darkness all the time? If so, then this statement is false. I assume that you are…

2 educator answers

  • ANTHEM

How is the line, “For the word ‘We’ must never be spoken, save by one’s choice and as a second…

This is a key quote to the theme of Anthem, because it comes at Equality 7-2521’s (now Prometheus’s) revelation that he is, in fact, his own person. He can now call himself “I” when he speaks to…

1 educator answer

  • JOHN DONNE’S SONGS AND SONNETS

“Donne’s genius, temperament and learning gave to his love poems certain qualities which…

This quotation, which comes from Sir Herbert Grierson’s book Metaphysical Poems and Lyrics of the Seventeenth Century (1921), expresses a common reaction to many of Donne’s love poems. One…

1 educator answer

  • TO KILL A MOCKINGBIRD

How does Dill’s character and dialogue work to reveal Harper Lee’s thematic message on innocence…

Dill is clearly the most innocent and naive character in To Kill a Mockingbird; however, that does not mean he isn’t aware of some important aspects of human nature. When we meet him, he’s still…

1 educator answer

  • THE CRUCIBLE

What part does Giles Corey play in Act 3 of The Crucible?

In Act Three, Giles is arrested because he won’t reveal the witness that claims to have heard Thomas Putnam admitting that he was accusing his neighbors of witchcraft so that he could swoop in and…

1 educator answer

  • GOOD COUNTRY PEOPLE

In O’Conner’s “Good Country Pepole” what is the sybolism in each characters name?

Flannery O’Connor loved to give her characters symbolic names. In this story, the daughter with the wooden leg is called Joy, but she believes she has no joy in her life, so she has renamed herself…

1 educator answer

  • MATH

How can I show work for 4x = 3x + 4? I know it = 4, but how do I show the work from this?Also I…

4x = 3x + 4 What you need to do first if group like terms, that means that we need to combine terms with x together and consant terms togther: To do so, we need to group 4x and 3x by moving 3x to…

1 educator answer

  • THE GREAT GATSBY

What is an example of imagery, symbolism, and irony used in The Great Gatsby.

If you look at the very end of chapter one, where Nick sees Gatsby reaching out towards the green light at the end of some dock, you find an example of both imagery and perhaps symbolism. This…

1 educator answer

  • SCIENCE

What is a femoral hernia?

When a part of the intestine sticks out through the abdominal wall near the thigh it is known as femoral hernia. These present symptoms like discomfort of pain in the groin and show up as a tender…

 


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