What does it mean when we say that something is pure?

What does it mean when we say that something is pure?

  • SCIENCE

Which of these elements has the most ISOTOPES 1 image

The element in this diagram that has the most isotopes is mercury, Hg. The pie chart for each element show the relative abundance of each of its isotopes. Mercury’s pie chart shows six isotopes….

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  • SCIENCE

Which diagram below represents a mixture? 1 image

A mixture is a combination of two or more substances without any chemical combination. Each of the constituent elements retain their individual identity in a mixture. A pure substance, on the other…

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  • SCIENCE

Which substance underwent a chemical change? 1 image

In a reaction, a change is termed as physical change if no new species are formed and the change can be observed (or felt). So any phase change (changing from solid to liquid or gas, etc.) is a…

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  • THE ROAD TO MECCA

Elsa has undertaken a literal journey by traveling from Cape Town to Neiu Bethesda. Elsa tells…

Elsa’s literal journey to Helen Martins’s in New Bethesda is also a figurative one. On her way to visit her aging friend she has given a ride to a desperate African woman, who has lost her husband…

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  • THE ROAD NOT TAKEN

What is a summary of Robert Frost’s poem “The Road Not Taken”? What are some examples of symbolism?

Robert Frost’s poem “The Road Not Taken” speaks to the importance of making life’s decisions. The four-stanza poem describes a lone traveler coming to a fork in the road where he has to decide…

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  • MARRIAGE IS A PRIVATE AFFAIR

Discuss the role of prejudice in the effectiveness of “Marriage is a Private Affair.”

Nene overcoming prejudice is an element that enhances the effectiveness of “Marriage is a Private Affair.” Nene confronts prejudice from different people in the short story. One instance is when…

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  • SCIENCE

An object is released from rest on a planet that has no atmosphere. The object falls freely for 3…

The equation of motion that can be used to describe the fall of this object is d=v0t+at22d=v0t+at22 . Here, d is the distance that the object fell in time t, and a is the acceleration due to the…

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  • EMILY DICKINSON

How can one understand Emily Dickinson’s poem “It dropped so low–in my Regard”?

Emily Dickinson’s poem beginning with the line “It dropped so low — in my Regard” is open to a wide variety of interpretations.One thing we can note is that she juxtaposes concrete objects with…

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  • HISTORY

How did the scientific discoveries in astronomy during the Renaissance affect the modern world?

Scientific discoveries in the field of astronomy during the period of the Renaissance, a period spanning hundreds of years from the 14th through the 17th centuries, have demonstrably affected the…

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  • THE TELL-TALE HEART

How does the setting affect the characterization, theme, and the mood of the story of “The…

The setting of “The Tell-Tale Heart” by Edgar Allan Poe contributes to the other elements of the short story. Certainly, the darkness, the cloistered house with latched doors, fastened shutters,…

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  • BUSINESS

Give an example of the law of increasing opportunity costs.

The law of increasing opportunity costs says that, as we produce more of a particular good, the opportunity cost of producing that good increases. The main reason for this is the fact that not all…

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  • A SOUND OF THUNDER

What does the man behind the desk tell Eckels happened last year that makes Eckels thinks about…

The man behind the desk says he does not guarantee they will come back alive. Eckels is a tourist. He is not just any tourist though. He is a very rich tourist. He has been a big game hunter for…

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  • THE STRANGER

In the novel The Stranger Meursault is an existentialist. What seems to be the only thing…

The only thing to which the main character, Meursault, responds in the text are his physical demands – hunger, thirst, sex drive, etc. For example, in the first chapter, Meursault doesn’t respond…

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  • SCIENCE

Define and give an example of broad spectrum collectors (hunter-gathers), horticulturalists,…

Broad Spectrum Collectors – These are also commonly known as Hunter-Gatherers or Foragers. They rely on a wide variety of food sources, hunting down their food and gathering it from their…

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  • SCIENCE

What is the brief gist of Gregor Mendel’s life?

Gregor Mendel (1822-1884) was an Austrian monk who entered the Augustinian Monastery in Brno in the Czech Republic in 1843. He wanted to pursue an education, which his family couldn’t afford, so he…

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  • MACBETH

How do Lady Macbeth and Lady Macduff compare/contrast in William Shakespeare’s Macbeth?

Lady Macbeth and Lady Macduff are similar in that they both disapprove of their husband’s behavior and believe that they lack certain instincts. While Lady Macbeth thinks that her husband lacks the…

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  • SOCIAL SCIENCES

True or False: If aggregate expenditures rise unexpectedly, then inventories will also rise…

This statement is false. If aggregate expenditures rise unexpectedly (and aggregate production does not rise to accompany it) inventories will actually drop rather than rising. The term…

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  • LITERATURE

what are the tones of JFK’s inaugural address and what are their purposes?

JFK’s 1961 inaugural address came at the height of the Cold War, in which America was deep in an arms race with the Soviet Union. His primary concern at that point was presenting America as a…

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  • TO KILL A MOCKINGBIRD

What motivated Harper Lee to write To Kill a Mockingbird?

Harper Lee’s novel To Kill a Mockingbird is semi-autobiographical. Lee grew up in a small Alabama town and often accompanied her father, an attorney, to courthouses where she would watch his cases….

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  • THE SCARLET LETTER

If Pearl is the human embodiment of sin, what is the author trying to state by having a human be…

Pearl in The Scarlet Letter is not so much the embodiment of sin as she is the product of sin. Through the Reverend’s and Hester’s digression, something beautiful is born. It is like a pearl that…

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  • HISTORY

What were the effects of the Industrial Revolution on the working class, especially on the women…

The Industrial Revolution had a huge impact on the working class. When the Industrial Revolution began, workers started to work in factories. The working conditions were very poor. They worked long…

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  • SOCIAL SCIENCES

What is the importance of price elasticity of demand values for an owner of a supermarket ?

Price elasticity of demand is very important for the owner (or other policy-maker) of a supermarket because knowing the price elasticity of demand for various products helps you to determine the…

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  • INTO THE WILD

What does Jim Gallien do for Alex?

Jim Gallien is the man that meets Alex when he is ready to embark on the final leg of his long journey to find whatever it is he thinks he would find “in the wild.” As Alex walks along the road in…

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  • THE KITE RUNNER

What is the setting of the novel? Is the setting important or could the novel happen anywhere?…

The setting of the story in Afghanistan is pretty vital to the plot. It would certainly be possible to tell the story in another place: there are places that go through upheaval and civil war and…

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  • HOW IT FEELS TO BE COLORED ME

In “How it Feels to Be Colored Me”, Hurston presents herself as happy with who she is, especially…

First, one cannot generalize about “most people.” There are over 7 billion people alive in the world right now, and it is impossible to ask most of them (approximately four billion) whether they…

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  • THANK YOU, M’AM

In “Thank you Ma’am” by Langston Hughes, when Roger enters Mrs. Jones’s room, she leaves the…

In the short story “Thank You, Ma’am” by Langston Hughes, Mrs. Jones leaves the door open to her room as a lesson in trust and decision-making. When the pair arrives at Mrs. Jones’ room she…

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  • LEAVES OF GRASS

In the Preface to Leaves of Grass, Whitman writes, “The American poets are to enclose old and…

Whitman views America as the ultimate land of equality and opportunity–or what should be. It is a place of infinite variety and growth and newness, incorporating everything from farmers and…

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  • HISTORY

In Massachusetts colony, what customs did they bring with them ?

The Massachusetts Bay Colony was founded in 1630 by Puritans from England. They had been granted a right to the land in 1628 and arrived in Salem in June of 1630. This colony was different from the…

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  • THE OMNIVORE’S DILEMMA: A NATURAL HISTORY OF FOUR MEALS

Find the connection between the Gettysburg Address and the Declaration of Independence.

There are three connections between the Gettysburg Address and the Declaration of Independence. All of these connections come from things that President Lincoln said in the address. In each case,…

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  • THE CASK OF AMONTILLADO

Describe Montresor from the short story The Cask of Amontillado by Edgar Allan Poe.

Montresor suffers many “injuries” at the hands of Fortunato, but only when he feels that Fortunato insults him does he vow revenge. Montresor is a man of wealth and station and cannot forebear…

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  • THE MASQUE OF THE RED DEATH

What is the setting of “The Masque of the Red Death” by Edgar Allan Poe?

This scary story about how everyone is mortal and death is inevitable takes place in the 14th century in Europe. Prince Prospero, the narrator, has gathered 1000 other wealthy people and friends…

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  • THE LEAP

What sensory details help reveal the similarities between the two main flashbacks in the story…

The two main flashbacks in “The Leap” involve details about Anna Avalon’s life-saving leaps. During these leaps there are several sensory details of the use of legs, arms, and hands, torso, and of…

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  • FAHRENHEIT 451

What are the dystopian elements in the book Fahrenheit 541 by Ray Bradbury?

Some dystopian elements include surveillance, control of ideas, and overconsumption of entertainment. A dystopia is a society where the community and citizens are tightly controlled in an effort to…

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  • AUGUST: OSAGE COUNTY

In the movie August: Osage County, how did each person contribute to the dysfunction/dynamics of…

Each character contributes to the dysfunction of the family within the movie August: Osage County, inspired by the 2007 play of the same name. I’ve described how each character contributes to this…

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  • SOCIAL SCIENCES

If someone says, “It’s a hot day in Hertford,” are they talking about weather or climate?

The best answer to this is to say that the person is talking about the weather. The fact that they are simply talking about the temperature on this particular day means that they are not talking…

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  • MACHINAL

What are quotes in Machinal by Sophie Treadwell that suggest positivism?

Sophie Treadwell’s play is an expressionistic indictment of the horrors of World War One and the dehumanizing, subsequent industrialization of modern society. Expressionism, as a philosophy,…

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  • HISTORY

Do you think Britain could have done anything differently in these years leading up to the…

In reviewing past actions, hindsight is always a good thing. If we could know the results of our decisions before having to make them, it would make everything much easier. This also applies for…

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  • THE PEARL

What animal imagery is used to describe Kino and Juana in Chapter 5 of The Pearl?

Kino is described as “hissing like a snake” when he attacks his wife Juana for trying to throw the pearl back into the sea, fearing that it will bring evil into their family. Juana looks at him…

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  • ARABY

In the short story “Araby” in which way did the author present the theme? Figurative, dramatic…

Many of the themes James Joyce presents in his short stories is through epiphanies, or sudden realizations about some aspect of life. The unnamed teenage male narrator in “Araby” makes this…

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  • HISTORY

What is a statare? When was the statare legality abolished?

A statare was a kind of unlanded farm worker in Sweden, somewhat like a very short-term indentured servant. The statare system was formally abolished in 1945 as part of the modernization of Sweden…

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  • THROUGH THE TUNNEL

What might the image of the “dark hole in underwater rock” signify in the story “Through the…

The story “Through the Tunnel” is a rite of passage story. The protagonist, Jerry, is growing up. He wants to establish more independence from his mother. She isn’t a bad mother; Jerry simply…

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  • EARLE BIRNEY

What are poetic devices are used in the poem “David” by Earle Birney?

It is in unrhymed iambic pentameter–making it blank verse–so it has specific meter (or pattern of beats). This is not to be confused with rhythm, which is the actual form those beats take (think…

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  • THE MOST DANGEROUS GAME

How do you write an indirect characterization essay about Rainsford from “The Most Dangerous Game?”

The author uses indirect characterization to show that Rainsford is egotistical, principled, and highly skilled. There are two types of characterization: direct and indirect characterization. With…

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  • SHAKESPEARE’S SONNETS

What is the character of the speaker in sonnets 18 and 130?

The speaker in both sonnets is a man (presumably) who does not care about what a woman looks like, only how beautiful she is inside. He is mature enough to overlook physicality and focus on the…

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  • THE DEVIL AND TOM WALKER

Most people would have been afraid to meet the devil in the woods. What two reasons are given for…

Tom is stubborn, not easily intimidated, and has a bossy wife, so he does not fear the Devil. Most people would be nervous walking through woods that people say are haunted. Tom Walker is not most…

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  • LORD OF THE FLIES

How does Jack Merridew show that he has power within the choir?

From the very beginning of the novel, Jack demonstrates his control of the choir. When they first appear, they are marching down the beach, in full uniform despite the horrible heat and having just…

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  • MACBETH

Why do the murders consider Banquo as their enemy? What did Banquo do to be their enemy?

In Act III Scene 1, Macbeth, having lately murdered the rightful king (Duncan), convinces two murderers (written “murtherers” in older texts) to kill Banquo *and* his son Fleance. He does this by…

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  • SCIENCE

Why the absolute acetone cannot be used during the chromatography experiment?

In chromatography, substances (solutes) are separated (from a mixture) based on how fast they move in a mobile phase and their relative partitioning between the mobile and stationary phase. Acetone…

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  • LAW AND POLITICS

What are the four main categories of computer crimes and what is an example of each one?

Different people have different lists of types of computer crimes. Here is a list of four main types of crimes, with a fifth type that is sometimes added to the four: Internal computer crimes…

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  • SCIENCE

What does it mean when we say that something is pure?

Chemically, something is called pure, when all of its constituent atoms are the same. For example, pure gold would contain 100% gold atoms. That is, there would be no atom of any other element….

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