# What is the role of the length of hydrocarbon chain in relation to the separation of crude…

**SCIENCE**

**What is the role of the length of hydrocarbon chain in relation to the separation of crude…**

In crude oil separation, as the length of the hydrocarbon chain increases the boiling point of the hydrocarbon goes up. Methane, which is the molecule with the shortest hydrocarbon chain has only…

**THE CHRYSANTHEMUMS**

**I want to ask about Elisa’s personality in “The Chrysanthemums” by John Steinbeck.**

In “The Chrysanthemums,” a short story written by John Steinbeck, Elisa Allen is the protagonist, or main character. As the story begins, Elisa is working in her flower garden as her husband talks…

2 educator answers

**OEDIPUS REX**

**Discuss how death contributes to the overall tragic vision of the work as a whole in Oedipus the…**

In the end, the presence of death is more of a reminder that Oedipus’ hubris is really unfounded. Oedipus believes that his own sense of self and pride can overcome everything, including the…

2 educator answers

**TO KILL A MOCKINGBIRD**

**In To Kill A Mockingbird’s Chapter 10, how is Tim Johnson a symbol of racism?I’d like to have a…**

What an interesting question. I have never thought about associating Tim Johnson, the rabid dog that Atticus shoots, as a symbol of racism. I have always thought the dog was used as a vehicle to…

1 educator answer

**ESSAY LAB**

**Can life imitate art? Can art imitate life?please give as much information as you can**

Such a novel as F. Scott Fitzgerald’s The Great Gatsby is, in its tableau of the Jazz Age, certainly is an example of art imitating life. So, too, are many of Ernest Hemingway’s that express the…

4 educator answers

**THE INTERLOPERS**

**What is the falling action in “The Interlopers”?**

I think one of the best parts of this story, is that the “falling action” is left out and therefore purposefully ambiguous (open to reader interpretation). The story ends quite abruptly at the…

1 educator answer

**ESSAY LAB**

**Essay HelpAnyone have thoughts on the following topic for essay help? Thanks! “A dying monarchy…**

Very interesting essay title! My immediate thoughts are to a similar situation, but not a monarchy. You could talk about the last few months of an American president’s rule, especially if it is in…

7 educator answers

**ESSAY LAB**

**How can I write a good conclusion for my geography project on transportation in India?**

I think that much of this is going to be contingent on what you have produced so far. In general, a conclusion can be seen to accomplish one of two purposes. Good conclusions can accomplish both…

3 educator answers

**SOCIAL SCIENCES**

**Should the government fund healthcare for individuals who do not take personal responsibility for…**

In my opinion, if the government is going to fund healthcare for anyone, it must fund it for everyone (in some age range or income range or whatever). I do not think it can make distinctions of…

2 educator answers

**MATH**

**What is the decay constant for y = 8 e^( 6t)**

The number of atoms of an element that are left as it undergoes raioactive decay is expressed as an equation of the form: y = y0 * e^(kt) where k is called the decay constant, time is the time that…

**MATH**

**Can -1^ (1/4) be expressed in terms of i**

To express (-1)^1/4 and (-1)^(1/6) interms of i. We know that i= (-1)^(1/2) or i^2 = -1. -1 = cos pi +sinpi = cos(2n+1)pi +isin(2n+1)pi Therefore (-1)^1/4 = Cos(2n+1)pi/4+sin(2n+1)pi)/4 =…

**MATH**

**If c1 = 4 e^(i * 30) and c2 = 6 e^(i* 60) what is the angle of c1*c2**

c1 = 4e^(i*30) and c2 = 6e^(i*60) to find the angle c1*c2. c1*c2 = 4*6 e^i(30+60) Or c1*c2 = 24 e^4i(90). Therefore the product c1*c2 has the angle 90.

**MATH**

**Which of the following is not a complex number: sum of complex numbers, difference of complex…**

let z and y are two complect numbers such that: z= a + bi y= c+ di Now let us verify: sum of compelx numbers: (a+ bi) + (c+di) = (a+c) + (b+d)i Then , the sum is a complex number. Now the…

1 educator answer

**MATH**

**Find the radius of the circle x^2 + y^2 +4x – 6y= 12**

to find the radius, we will write the equation in the standard form: We know that: (x+a)^2 + (y-a)^2 = r^2 where (a,b) is the cente and r is the radius: ==> x^2 + y^2 +4x – 6y = 12 Let us…

1 educator answer

**MATH**

**Solve the set of equations: 35 x+ 16 y = 5 , 5 x + 2y = 17**

35x + 16 y = 5 ……….(1) 5x + 2y = 17 …………..(2) Let us use the elimination method to solve: First we will multiply (2) by -8 and add to (1): ==> -40x – 16y = -136 Now add to (1):…

1 educator answer

**MATH**

**If y = (2x- 1 / x+7 )^3. What is y’ ?**

y= (2x-1)/(x+7)^3 Let y= (u/v)^3 ==> y’ = 3*(u/v)’ (u/v)^2 But (u/v)’ = (u’v-uv’)/v^2 ==> y’ = 3*[(u’v-uv’)/v^2] *(u/v^2) = 3*[uu’v – u^2*v]/v^4 u= 2x-1 ==> u’ = 2 v= x+7…

1 educator answer

**MATH**

**Find the slope of the curve x^2 + xy + y^2 = 7 at (1,2)**

x^2 + xy + y^2 = 7 The slope is the derivative at (1,2). Let us diffirentiate with respect to x: =(x^2 + xy + y^2)’ = (7)’ =(x^2)’ + (xy)’ + (y^2)’ = (7)’ = 2x + (y’ + y) + 2yy’ = 0 ==> 2x + y’…

1 educator answer

**MATH**

**Find dy/dt using the chain rule : y = x^2 , x = 2t-5**

y= x^2 x= 2t-5 Now substitue with x value: y= x^2 = (2t-5)^2 ==> y= 4t^2 -20t + 25 Now let us diffrentiate: ==> dy = (8t – 20) dt => dy/dt = 8t – 20

1 educator answer

**1984**

**According to Goldstein, who are the new aristocracy?**

According to Goldstein, the rise of totalitarian states like Ingsoc brought with it the rise of a new kind of aristocracy. This was an aristocracy that was focused mainly on getting power for…

1 educator answer

**1984**

**Goldstein says that the war being waged against another superpower is not the real war. What is…**

Goldstein says that war’s purpose is to perpetuate hysteria, ignite anger and hatred, and control the population. Fear keeps the masses somewhat in control. By keeping the people aware of their…

1 educator answer

**1984**

**For what reason does Goldstein say that it is important for an artificial scarcity of goods to…**

i also need this answer !!! 😀

**ROMEO AND JULIET**

**What is the dress requirement for the Capulet’s masqued ball?Romeo and Juliet by Willaim Shakespeare**

Masquerades were costumed balls held in the Renaissance for the upper classes. The festivities included elaborate dances and people wore equally elaborate masks, or “visors.” The Venezian mask, a…

2 educator answers

**1984**

**Why does Goldstein say that, although the superpowers talk about total victory, no power believes…**

Goldstein makes the argument that the superpowers are more interested in control than in power. For Goldstein, the purpose of “is to use the surplus of consumer products without raising the…

2 educator answers

**MATH**

**What is the point of intersection of 4x+ 3y =0 and 7x + 5y +1 =0**

Let d1 and d2 be two lines such that: d1 : 4x + 3y =0 d2: 7x + 5y + 1 = 0 Both lines are intersecting at one point , then the point of intersection sould verify both equations. Therefore te point…

1 educator answer

**MATH**

**What is the determinant of the matrix with rows 2 1 3 , 3 -1 -2 , 2 3 1**

detrminant of [ (2 1 3), (3-1-2) ,(231)] R3-2R1: = [(2 1 3), (3 -1 -2) ,(0 , 1 -5) ] Expanding through the first column, we get: = 2(5+2) -3(-5-3) =14 +24 = 38

**MATH**

**Find the area of a triangle with sides 4, 5 and 6**

Let abc be a triangle such that: a= 4 b= 5 c= 6 Then the perimeter is: P = a + b + c = 4 + 5 + 6 = 15 ==> P = 15 But we know that the area : A = sqrt[P/2 (p/2 – a)(p/2 – b) (p/2 – c)] =…

1 educator answer

**MATH**

**Two sides of a triangle are at 60 degree, and are of sides 5 and 7, What is the length of side c?**

The two sides a = 5 and b = 7 and the containing angle C = 60 degree. To find the other side C. We use the trigonometic formula to c^2 = a^2+b^2 -2cosC*cosb calculate c. Therefore c^2 = 5^2+7^2…

**MATH**

**If tan x = 3/4 and tan b = 2/7 Find tan(a-b)**

tana = 3/4 tan b = 2/7 We know that: tan(a-b) = (tan a – tanb)/(1+ tana*tanb) Let us substitute: tan(a-b) = (3/4 – 2/7) / [1+ (3/4)*(2/7)] = (21-8)/28 / (1+ 6/28)…

1 educator answer

**THE CRUCIBLE**

**What does the news of what is happening in Andover have to do with the Salem Witch Trials?**

In Andover, the people were rebelling against witchcraft. They began to throw witchcraft cases out of the court. The reason this is important has to do with Abigail’s fears. Abigail and the girls’…

2 educator answers

**MATH**

**a jet speeds 220m/min for 360 min . The specifications state that with each additional 10m/min of…**

According to the information given: The jet can move at 220 m/min for 230 min, so the total distance travelled is 220*360=79200 When the speed is increased by 10m/ min the time of flight decreases…

**THE AWAKENING**

**What does Kate Chopin’s “The Awakening” says about the women and culture at the turn of the…**

In the story you have a few women who certainly challenge the expectations of men and surface as quite independent characters mainly acting against the oppression or expectations of their husbands….

5 educator answers

**MATH**

**What price will maximize revenue and what is the maximum revenue?last month perfect fabric sold…**

The manager has sold 250 m at $8/m . Now with every 50 cents reduction in the price an additional 50 m are sold. At $8/m 250 are sold, the revenue is 2000 So if at $7.5/m, 300 meters are sold, the…

**HISTORY**

**Describe the ways in which socialist and others challenged the capitalist orders.Describe the…**

If you look at a particular point in history, one that is very interesting in the conflict between these two ideologies, is the early twentieth century. Capitalist orders in Europe and in the…

2 educator answers

**RELIGION**

**Choose a passage from the book of Matthew and identify the literal sense and spirtitual sense of…**

In the book of Matthew, there are many parables, but in particular, the Sermon on the Mount takes place during chapters 5-7. You have much to choose from. I would recommend looking at the parable…

2 educator answers

**REFERENCE**

**Where is the Appalachian River located?**

The Appalachian River is a river that flows through the Appalachian mountains. The Appalachian mountains are located in Eastern North America and are part of both Canada and the United States. The…

**HISTORY**

**What were some of the criticisms of Reaganomics?What were some of the criticisms of Reaganomics?**

I would say that the major criticism of Reaganomics from liberals is that it cut spending on domestic programs. They would argue that it ended up hurting the people who were most vulnerable and in…

4 educator answers

**HISTORY**

**Which of the first ten Amendments is the most important?**

The First Amendment is, in my opinion, the most important (which is probably why it was put first). I have heard the right to freedom of speech called “the guardian of every other right” and this…

3 educator answers

**HAMLET**

**hamletdoes hamlet get the revenge he seeks?explain**

Well, if the intent of the revenge was to make Claudius pay for having killed Hamlet’s father, I’d have to say yes. Hamlet wanted him to die in an unconfessed state, which means he did not have a…

2 educator answers

**ENOTES EDUCATORS GROUP**

**Reminder: Block QuotationsHi everyone! Please remember to use a block quotation if you quote more…**

Thanks for the reminder. I had it stuck in my head that it more than two lines of text. I shall ‘Ooops” no more.

2 educator answers

**A LESSON BEFORE DYING**

**In A Lesson Before Dying, why does Grant refuse to sit down or take any supper while he is…**

In A Lesson Before Dying, Grant refuses to take dinner at Mr. Henri’s house because he does not respect Mr. Henri. To appease Miss Emma and his aunt, Grant has already used the back door to enter…

1 educator answer

**CHARLOTTE’S WEB**

**What is E.B. White suggestions about the dynamics of friendship in the book of Charlotte’s Web?**

When I think of the friendships that come to mind in the book, particularly those between Wilbur and Charlotte herself, a variety of ideas about friendship come up. The first is the idea that…

1 educator answer

**SCIENCE**

**How do you calculate using Dimensional Analysis?**

Actually, dimensional analysis isn’t a tool for calculating; rather, it helps you show if a formula you’re using won’t work. What it shows is whether one expression uses the same units of…

1 educator answer

**THE CRUCIBLE**

**Miller wrote The Crucible as a critique of McCarthyism, yet he distanced his narrative by using…**

The premise of the question is an interesting one. I have to disagree with it though because I don’t think that Miller’s use of Salem is a distanced critique of McCarthyism. Rather, I think that…

1 educator answer

**TO KILL A MOCKINGBIRD**

**How does Lee use humor (and what is the effect) when Atticus talks to Scout about saying “N-Word”…**

The humor of this Atticus Finch Lesson is just like the humor in most of Atticus’ lessons. Instead of avoiding the situation, glossing over it, or simply ignoring it (as many parents do), Atticus…

1 educator answer

**THE GREAT GATSBY**

**In Chapter 2 of The Great Gatsby, does Nick enjoy the afternoon at the apartment in New York?**

The Great Gatsby is, in part, Fitzgerald’s commentary on the morality of the rich. The afternoon in New York, at the party held by Myrtle and Tom in their illicit “love nest,” is a picture of the…

1 educator answer

**CRY, THE BELOVED COUNTRY**

**In Cry, The Beloved Country, what does Kumalo plan to do with Gertrude and her young son?**

Kumalo is reunited with his sister, Gertrude, and her son, in Chapter 6 of this novel that is focussed on pre-apartheid South Africa. When he comes to where Gertrude is working, it is clear that…

1 educator answer

**THE GREAT GATSBY**

**What is ironic about Myrtle saying “You can’t live forever”?**

In chapter two of The Great Gatsby, Tom, Myrtle, and Nick are the primary guests at a party Myrtle is hosting for her neighbors. The apartment in the city is where Tom and Myrtle conduct their…

2 educator answers

**THE MOST DANGEROUS GAME**

**In “The Most Dangerous Game,” what is General Zaroff’s external conflict?**

Remember that external conflict is conflict that lies outside of a person’s psyche and normally takes the form of conflict with another person, group of people or an institution. Therefore it is…

3 educator answers

**BEKA LAMB**

**What are the important parts in chapter 13 of Beka Lamb?**

This chapter begins with some allusions to the effects of colonialism on Belize. Beka’s father encourages her to buy shoes from a local Creole businessman, for example, to support him as a local…

1 educator answer

**HARLEM**

**What are all the similes in the poem “Harlem?”**

The poem, “Harlem” by Langston Hughes, contains several similes. Each of these figures of speech is designed to describe the frustration and impotence felt by one who is prevented from…