How can you remember the difference between physical and chemical? What are the properties of both of them?

When we talk about physical and chemical, we can describe two different things: physical/chemical changes and physical/chemical properties.

Physical and Chemical Changes

• 
  Physical Changes: When a physical change occurs, the particles of matter rearrange, but don't change into different types of particles. For example, when liquid water turns to steam, the water particles become more separated from one another. Their spatial relationship to one another changes, but they are still water particles. Examples of physical changes include: evaporating, melting, tearing, mixing (but not reacting).

• 
  Chemical Changes: When a chemical change occurs, the particles of matter change into different types of particles. For example, when hydrogen particles react with oxygen particles, water particles are formed. The water particles are completely different particles than either the hydrogen particles or the oxygen particles. Examples of chemical changes include: burning, reacting, decomposing.

Physical and Chemical Properties

• 
  Physical Properties: Physical properties are things that can be observed about a substance without changing the substance into a different substance. For example, if we measure the mass of a substance, when we are finished, the substance will still be the same substance. Examples of physical properties include: mass, volume, density, color, texture.

• 
  Chemical Properties: Chemical properties are things that cannot be observed without changing the substance into another substance. For example, if we want to observed the flammability of magnesium, we have to actually burn it. Once we have observed the magnessium burning, it is no longer magnesium - now it is magnesium oxide. Examples of chemical properties include: flammability, digesting, reacting.

You can remember the difference between physical and chemical by remembering that anything chemical involves a change into a different substance.

Who was the first emperor in the world?

It is believed that the world's first emperor was Sargon the Great, whose Akkadian Empire spread over the Mesopotamian area around 2250 B.C. The empire's capital was Akkad, though the city would later be known as Babylon.

The land over which Sargon ruled was massive—extending from the Mediterranean Sea in its western-most regions and as far north as the Black Sea. In total, the Akkadian Empire covered approximately 800 miles.

Because Sargon and his armies were able to overtake Sumeria, his empire was able to expand its cultural influence. The Sumerians are credited with establishing the first written language, the first library, the first irrigation system, and the first wheel.

Sargon ruled for more than 35 years. The empire he established lasted for more than a century. 

In Julius Caesar, what proof is there that Cassius wants what's best for Rome?

In grappling with Julius Caesar, readers often focus on Brutus' noble intentions. However, there is some evidence that Cassius also wants what's best for Rome, and so it's worth analyzing the character of Brutus' co-conspirator as well. 

The following quote from Cassius in Act 1, Scene 2 is a good place to begin when examining Cassius' altruistic intentions:

Rome, thou has lost the breed of noble bloods!

When went there by an age, since the great

flood,

But it was fam'd with more than with one man?

When could they say, till now, that talk'd of 

Rome,

That her wide walls encompassed but one man?

Now is it Rome indeed, and room enough,

When there is in it but one only man. (151-57)

In this quote, Cassius bemoans the current state of Rome, saying it has lost its nobility by idolizing one man (Caesar) and setting him up above the masses. Furthermore, the passage suggests that Cassius values Rome's noble history of political freedom, and does not relish the thought of a dictatorial rule. Taken in this context, one could surmise that Cassius, like Brutus, wants what's best for Rome.

However, it's important to also recognize that Cassius is, unlike Brutus, prone to jealousy. It's no coincidence that, in describing Brutus in Act 5, Scene 5, Antony says, "All the conspirators save only he/ Did that they did in envy of great Caesar" (69). This quote suggests that, apart from Brutus, all the conspirators overthrew Caesar not because they wanted what was best for Rome, but because they envied Caesar's power. Thus, it's important to consider that Cassius, like the other conspirators, is at least partly motivated by envy and the desire for power. 

What would happen to the price of car tires if the price of rubber increases but the price of cars goes down?

If both of these things happen, the price of car tires will go up.  Both of the changes that you mention will tend to make the price of car tires go up.

If the price of rubber increases, then (all other things being equal) the price of tires will increase as well.  Rubber is, of course, an input for car tires.  The price of inputs is a determinant of supply.  When the price of inputs increases, supply decreases.  When supply decreases, the price of the good or service rises.  Therefore, when the price of rubber increases, the price of car tires will increase as well.

When the price of cars goes down, the price of tires will also go up.  Cars and tires are what are called complementary goods.  That is, the two of them are used together.  When the price of one complementary good goes down, demand for the other goes up.  If the price of cars goes down, people will buy more cars.  If people buy more cars, they will need more tires to go on those cars.  This means that the demand for car tires will rise and their price will rise as well.

In these ways, we can see that both of the factors that you mention in this question will tend to push the cost of car tires upward.

What does Calypso try to make Odysseus feel guilty about leaving?

One reason that Calypso tries to make Odysseus feel guilty about wanting to leave is that she wants him to stay.  She feels herself to be in love with him, and even though she's offered him immortality, he still prefers to leave and return home to be with his mortal wife, Penelope.  The fact that Odysseus has continued to wish to return to his wife is somewhat insulting to an immortal goddess like Calypso, who is certainly very beautiful.  Odysseus even tries not to insult her, claiming that he knows that his wife, compared to Calypso, is "poor to look upon."  Further, Calypso talks about all of the difficulties that Odysseus will have to endure to get home, and she says that if he only knew them all, he would surely choose to stay with Calypso in her home and become immortal.

In what three places did Anton Rosicky live before settling in Nebraska?

He lived in Czechoslovakia; London, England; and New York City, New York, in the US.

The narrator explains where Anton lived while he's sitting in his "corner," remembering the past. "He had a good deal to remember, really; life in three countries," the narrator states. So we know that he has lived in three different nations.

Anton grew up in the country on his grandparents' farm in Czechoslovakia, then was sent to live with his dad and stepmom when his grandfather died. Unhappy there, he moved to London, where he worked for a poor tailor and was miserable. He was able to escape to New York, where he found happiness and more tailoring work. But a craving for nature and for farm work led him to Omaha, Nebraska.

"Neighbor Rosicky" is a story that relies heavily on flashbacks, which is where this information is found, specifically in Section 3. The flashbacks themselves don't necessarily follow a strict chronological order, either, since they are Anton's memories as he recalls them. So, if you were given this question about where Anton had lived, and you were expecting the narrator to start the story from the beginning of Anton's life and explain where he lived before settling in Nebraska, you'd be confused.

How is patriachal society shown throughout Romeo and Juliet?

The role of a patriarchal society in Romeo and Juliet is largely shown through Juliet's relationship with her father, Lord Capulet. Juliet is encouraged to be subservient and obedient (like her mother, Lady Capulet) and to marry the most desirable suitable, Paris, despite the fact that she is not even fourteen years old. The systematic arranged engagement of young women at this time was part of a strategic effort to create mutual benefits between two families. In this case, Paris is a nobleman and kinsman to the Prince; he is handsome, rich, and offers significant financial value and social status for the Capulets. Juliet is a well-mannered and beautiful girl who will make a dutiful and attractive wife for Paris.  Such a union would strengthen both families, even though it would come at a high emotional cost to Juliet, who is too young to even have considered marriage. 

When Juliet later begs her father not to make her marry Paris, he responds with great fury. As the patriarch of the family, he believes that his daughter must submit to his commands, and this sudden refusal to follow the rules and maintain the status quo is, to him, an act of high treason. Juliet has no agency in this situation, with her father threatening to disown her and cast her into the streets if she does not obey his wishes. The fact that he is willing to sentence his daughter to a life of poverty--and a very likely early death--rather than accommodate her thoughts and feelings on the matter of her own impending wedding is telling of just how skewed the patriarchal values are at this time.