Who was the first scientist to refute the caloric theory of heat?

August 20, 2018 Educator

LITERATURE

What deal does Tom Walker make with the devil?

Tom Walker lives an unhappy existence. He and his wife are at odds fighting about money and even try to cheat each other out of the small amount of money they have. One day when Tom is walking in…

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SCIENCE

Phosphorus and fluorine can react to form two compounds.Write balanced equations for these…

Phosphorus and fluorine can combine to form two different compounds. One is phosphorus trifluoride (PF3) and the other is phosphorus pentafluoride (PF5). Naturally occurring phosphorus can occur…

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SCIENCE

A body has a mass of 80kg on earth. What is the mass on the moon?

A body that has a a mass of 80 kg on earth will also have a mass of 80 kg on the moon or anywhere else. Mass is the amount of matter something contains, so it doesn’t vary with location. What does…

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A MOVEABLE FEAST: THE RESTORED EDITION

What happens in chapter 17 of Hemingway’s A Moveable Feast?

Chapter 17 of Hemingway’s brilliant memoir A Moveable Feast chronicles a mostly comic episode with F. Scott Fitzgerald, first in a Paris bar, and then on a trip to Lyon to retrieve Fitzgerald’s…

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OF MICE AND MEN

In Steinbeck’s novella Of Mice and Men, how does the author present George’s feelings at the end…

Let’s consider first what actually happens at the end of this story: Lennie accidentally kills Curley’s wife and runs back to the streambed from the first scene in the novella. George, guessing…

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LANGUAGE ARTS

Why was English created?

Well, that’s an interesting question. I’m not sure if you mean the language or the course, so I’ll answer for both: Why was English (as a language) created? Language exists as a means for humans…

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SCIENCE

What processing happens to calcium ore before the element is in a useable form?

Calcium, like most reactive metals, doesn’t occur in its pure form in nature. It’s extracted from compounds in which it occurs as 2+ ion. It’s the fifth most abundant element in the earth’s crust…

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SCIENCE

where is the element calcium mined?

Calcium is abundant within the Earth’s crust. It can be mined from limestone, marble, dolomite, gypsum, anhydrite, and aragonite. Limestone sedimentary deposits can be extensive. They can be…

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FAHRENHEIT 451

In Fahrenheit 451, how does Guy Montag, through his characterization, help develop Ray Bradbury’s…

One of the themes that is expressed through Montag’s development as a character is the theme of loneliness. At first, Montag is a passive, thoughtless tool of the government. He has his firemen…

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THE STORY OF AN HOUR

Explain the conflicts involving Mrs. Mallard in “The Story of an Hour” 1. Between her marriage…

An upper class woman during the Gilded Age, Mrs. Louise Mallard is a repressed wife, whose property belongs to her husband Bently under the feme covert laws. When she is told that Mr. Mallard has…

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ODE TO THE WEST WIND

Where does the west wind come from in Shelley’s Ode to the West Wind? What kind of emotions does…

In Shelley’s “Ode to the West Wind,” the wind comes from autumn itself. Shelley calls it the “breath of Autumn’s being.” In the poem, Shelley moves from emotions of mourning to emotions of hope,…

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HISTORY

What was the symbolic geography that Columbus broke out of after traveling to the Western world?

The symbolic geography that Columbus addressed was that a western route around the world as a way to access the riches of the Far East took a lot longer than an eastern passage overland or a sea…

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HISTORY

Why did African cities grow wealthy and powerful?

There are three key regions of Africa that grew to have great wealth and power in Africa. In the northeast, Egypt grew to dominance. In the west, three kingdoms: Ghana, Mali, and Songhai were…

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DEATH OF A SALESMAN

In Death of a Salesman, what evidence is there that Willy may be too lax in bringing up his sons?

The evidence of Willy’s lack of parenting skills is evident throughout the play, particularly when we witness that the lives of both sons of Willy Loman’s, Biff and Happy, have turned out to be…

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THE HUNGER GAMES

Is there textual evidence that shows that jealousy is good in The Hunger Games?

In the book The Hunger Games, there are several examples of jealousy. Although some of the examples may or may not be considered “good,” I will share some of the ones that I have found. At the…

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CONTENTS OF THE DEAD MAN’S POCKET

What is an example of imagery in “Contents of a Dead Man’s Pocket”?

Whenever a narrator has provided rich visual detail in a story, and whenever you can easily imagine the setting, the characters, and the action in your mind, you know you’ve found an example of…

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THE MASQUE OF THE RED DEATH

In Edgar Allan Poe’s “The Masque of the Red Death,” describe the costumes worn by Prince…

In Edgar Allan Poe’s short story “The Masque of the Red Death,” the author/narrator meticulously describes the seven-room suite within the castellated abbey to which Prince Prospero has retreated…

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BUSINESS

What company does not appear to have established best practices in HR (most likely not a large…

Companies with bad H.R. reputations usually turn out to be unattractive options for job-seekers. You asked for companies which have likely not established good H.R. practices. Well, there are a…

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SCIENCE

How many protons and neutrons are there in the outer layer of an atom?

An atom is the smallest unit of matter. Atoms are made of three subatomic particles- protons, neutrons, and electrons. Protons are positively charged, neutrons are neutrally charged (meaning they…

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HEIDEGGER’S EXPERIMENT

In Hawthorne’s “Dr. Heidegger’s Experiment,” why does Dr. Heidegger conduct this experiment with…

In Hawthorne’s “Dr. Heidegger’s Experiment,” the reader can assume by the title of the story that the doctor is not completely certain what effect the drink will have on the three men and the woman…

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FENCES

In Act I, scene I of Fences, what policy at the sanitation department is Troy challenging? Why…

Troy,in the play, Fences, has led a life trying to achieve what he thinks is due him. In prison for robbery, he learns to play baseball. He’s quite good at it, and after his release, joins the…

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MATH

If the line -4x+y=2 is tangent to the curve y=(1/3x^3)+c. Find c.

Find c such that y=4x+2 is tangent to the curve The slope of the tangent line to a curve is given by the value of the first derivative. Since the line is tangent to the curve, we…

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JULIUS CAESAR

When does Brutus use soliloquy to express his feelings about the assassination in Shakespeare’s…

Brutus’ soliloquy regarding the proposed assassination of Caesar occurs in the opening scene of Act II. It must be by his death, and, for my part,I know no personal cause to spurn at him,But for…

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THE CRUCIBLE

What orders do Cheever and Herrick have at the Proctor house?

The events that your question ask about occur toward the end of the Act 2. The setting of Act 2 is the Proctor household, and a lot happens during this act. John and Elizabeth discuss whether or…

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HISTORY

Why is the end of World War I viewed as a cause of World War II?

Repeatedly throughout his declaration of intent known as Mein Kampf, or My Struggle, a young, imprisoned Adolf Hitler, who had served in the German Army during the Great War (later to be known as…

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TO KILL A MOCKINGBIRD

How would you explain the irony in the missionary circle with the “squalid lives of the Mrunas”…

Irony is “the technique of indicating an intention or attitude opposed to what is actually stated” (“enotes Guide to Literary Terms). In this case, the irony is that the women in the…

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SOLDIER’S HOME

Why does Krebs stay in Europe so long?

When a big war like World War I ends, the servicemen do not immediately return home. There is a long period of processing and transporting thousands of men back to the U.S. There is also the…

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TO KILL A MOCKINGBIRD

In chapter 27 of To Kill A Mockingbird, what could be a quote and example for the motif racism?…

A quotation that shows the motif of racism in chapter 27 is when Bob Ewell shouts at Mr. Link Deas, “I ain’t touched her, Link Deas, and I aint about to go with no nigger.” Clearly, Bob Ewell’s…

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TO KILL A MOCKINGBIRD

How did Scout learn to read and write in To Kill a Mockingbird?

Scout learned to read by sitting in Atticus’s lap while he read in the evenings and following his moving finger while listening to him read. At some point, the “the lines above Atticus’s finger…

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SCIENCE

Where does the ADP comes from?

ADP or adenosine diphosphate is a molecule that is typically studied for its role in providing energy to the body. The main energy molecule in our body is adenosine triphosphate or ATP, which is…

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THE MINISTER’S BLACK VEIL

In the story, “The Minister’s Black Veil”, what happens to Elizabeth? What does she become?

Elizabeth, Hooper’s fiance, is not only scared of the black veil, she doesn’t understand why he wears it. She, for a while, gives him the benefit of the doubt, but later when she asks him to…

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SCIENCE

What phase change happens when you sweat?

When someone sweats, that phase change that occurs is evaporation – the sweat evaporates from the person’s skin and lowers the temperature of the skin. Evaporation is a endothermic process,…

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SCIENCE

Why are enzymes important for living beings?

Enzymes are the catalysts for a large number of biochemical reactions vital for survival of living organisms. Without enzymes, such reactions will occur very slowly or not occur at all, due to high…

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SCIENCE

Discuss how the planets are classified. Compare structure and general features of minor and…

Planets are classified by their size and their composition. They may also be classified by their juxtaposition with other planets of a similar nature. The word planet means “wanderer.” The…

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THE RAVEN

How does the narrators point of view in “The Raven ” change from the beginning to the end?

At the beginning of the poem, the narrator was in mourning. He was tired and nodding off, and when he first heard the knocking on his chamber door, he was hesitant to say anything. But the second…

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ENDER’S GAME

What attitude motivates the adults to lie to Ender?

There are a lot of lies in the book Ender’s Game. Many characters lie to Ender for a variety of reasons, but the character that probably lies the most is Colonel Graff. Colonel Graff does…

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THE OUTSIDERS

How do I compare and contrast Pony’s life in The Outsiders with mine?

Most teenagers can relate in some way with Ponyboy. He has what most people today would consider a hard life. He loves his family, but is totally different than both of his brothers. That leads to…

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THE CRUCIBLE

In The Crucible, by Arthur Miller, Elizabeth Proctor says, “There be a certain danger in calling…

Elizabeth says this on conversing with her husband, John. They had just been told by Mary Warren, their maid, that she had saved Elizabeth’s wife by refusing to implicate her as a witch. When they…

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THE SECRET LIFE OF BEES

In The Secret Life of Bees, T. Ray said that Lily’s mother left and didn’t come back for her. I…

This happens in Chapter 2 of the story. T. Ray and Lily have just arrived at home from the police station, where Lily and Rosaleen have been jailed when Rosaleen spits snuff on the feet of three…

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SCIENCE

When a crossbow is fired its 6000 N/m tension system can got from .2 m displacement to a relaxed…

The energy of compressed crossbow is , where k = 6000 N/m and x is the displacement. When crossbow goes from compressed state to relaxed state, its does work equal to the change of…

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MACBETH

Using the following lines from Act I and Act IV, explain how the Macbeth described in the…

Act I Macbeth is the very picture of honor and courage. He lives only to serve the king and do his duty as the king’s most worthy general. He has no concern for his own safety (he “disdains…

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THE CASK OF AMONTILLADO

Where does the narrator of Edgar Allan Poe’s short story, “The Cask of Amontillado,” take Fortunato?

In Edgar Allan Poe’s short story The Cask of Amontillado, the narrator, Montresor, leads his unsuspecting victim, Fortunato, to his home, or “palazzo,” and, once there, down a winding staircase…

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MACBETH

Polanski put this movie to life by incorporating power and the definition of tragedy together….

Roman Polanski’s version of Macbeth does combine the traditional definition of tragedy with the idea of power consuming an individual. Of course the movie depicts Macbeth as a high borne…

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HISTORY

What is the difference between the motive and the purpose of a source’s creator?

I assume you are referring to primary sources, since this was posted under “history,” and that you are doing some sort of document analysis activity. In most contexts, “motive” and “purpose” are…

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SELF-RELIANCE

What are three aphorisms you would like to remember from “Self-Reliance” by Ralph Waldo Emerson?

I listed ten aphorisms from the text of “Self-Reliance” below. Each reflects the theme of the power and importance of being a unique individual. These selections are listed in the order in which…

MONSTER

What are the emotions of Steve Harmon’s mother throughout Monster?

Steve’s mother is worried sick when the police initially take Steve in for questioning. She argues with the officers who handcuff Steve and runs out onto the street in an attempt to follow her son…

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BRIDGE TO TERABITHIA

What is the importance of the quote “Just close your eyes and keep your mind wide open” from…

This line is spoken by the character Leslie in the movie based on the novel Bridge to Terabithia, but it’s not actually in the book. When a book gets adapted into a movie, writers often make a lot…