Name the different states of matter in which burning candle wax can exist.
- SCIENCE
Mercury is used in lab thermometers. At r.t.p., which state of matter does it exist in?
Mercury exists as a liquid at room temperature. It, and bromine, are the only two elements that are liquids at room temperature. Mercury’s vapor pressure is very low (1.2 micrometers)at room…
1 educator answer
- SCIENCE
Name the different states of matter in which burning candle wax can exist.
Waxes are primarily hydrocarbons – organic substances containing carbon and hydrogen. When a candle wick is lit, the solid wax slowly melts and is drawn up the wick by capillary action into the…
1 educator answer
- SCIENCE
What causes sterility in women ?
The vast majority of sterility cases in women reveals anatomical causes, biochemical causes(immune reaction) or physiological causes(ovulation disorders). Anatomical infertility is, most of the…
- SCIENCE
The Turner syndrome is an ovarian failure caused by a chromosomal abnormality. This syndrome causes a low height, an absence of a puberty and infertility. In normal women, the karyotype (the…
- BLACK BOY: A RECORD OF CHILDHOOD AND YOUTH
What is the meaning of “hunger” in Richard Wright’s autobiography “Black Boy?” For what is…
The hunger felt by Richard is both literal and metaphorical. Taken literally the hunger felt by Richard signifies his family’s poverty and deprived social condition. While staying with Granny in…
1 educator answer
- MATH
Solve the equation log 2 ( 3+ log 3 x) = 2
log 2 (3+log 3x) = 2 ==> 3+ log 3x = 2^2 ==> 3+ log 3 x = 4 ==> log 3 x = 1 ==> x = 3^1 = 3 ==> x= 3 Now let us check: log 2 (3+ log 3 (x) = 2 loh 2 (3 + log 3 (3) = 2 We know that…
1 educator answer
- REFERENCE
What do you mean by Joe Sixpack?
In the United States, at least, the term “Joe Sixpack” is meant to refer to a working class man. He is supposed to be the epitome of what used to be the American public. He is a person who works…
1 educator answer
- MATH
Write a quadratic equation whose root is (1-i)(2+i).
Let the first root be z such that: z= (1-i)(2+i) = 2 +i -2i -i^2 = 3 -i The the first root is: z= 3-i The second root would be z’ such that: z’= 3+i Now to find the equation: z+z’ = 3-i + 3 +i…
1 educator answer
- MATH
Solve the equation z + i = 2(1-z’) z is a complex number
z+i = 2(1-z’) Let z = a+bi ==> z’= a-bi Let us substitute: ==> (a+bi) +i= 2(1- (a-bi) ==> a+bi +i= 2(1-a + bi) ==> a+(b+1)i = 2-2a + 2bi ==> a + (b+1)i – 2 + 2a – 2bi= 0 ==> 3a +…
1 educator answer
- THE TELL-TALE HEART
What do you understand by going through Edgar Allan Poe’s The Tell-tale heart?
As you go into the mind of the narrator and protagonist, the first instance that strikes the most is how the levels of insanity bring such power into the narrative. First, we feel the peacefulness…
1 educator answer
- MATH
(1+i)(1-3i) Let us expand brackets: (1+i)(1-3i) = 1*1 + 1*-3i + i*1 + i*-3i = 1 -3i + i -3i^2 But we know that i^2 = -1 ==> (1+i)(1-3i) = 1 – 3i +i -3*-1…
1 educator answer
- MATH
Determine the equation of the line x+my-5 = 0 if the point (1;5) is on the line.
x+my -5 = 0 (1,5) is on the line. Then the point (1,5) should verify the equation. Let us aubstitute: x+ my – 5 = 0 1+ m(5) -5 = 0 1+ 5m – 5 = 0 5m – 4 = 0 5m = 4 ==> m = 4/5 Then the equation…
1 educator answer
- RUMBLE FISH
What is the significance of the river to the Motorcycle Boy in Rumble Fish?
The author uses the river as a symbol to represent the opposite of what it usually signifies. Traditionally, a river, or water, would stand for life, cleansing and renewal, but in Rumble Fish, the…
1 educator answer
- MATH
Given that f = x – 2, g = 3x + 4 determine the intercepting point of f and g
To determine the coordinates of the intercepting point of the graphs of f and g, we’ll have to solve the system: y = x-2 (1) y = 3x+4 (2) x-2 = 3x+4 We’ll isolate x to the left side: x-3x = 4+2 -2x…
- MATH
Calculate the limit ln(1+e^n)/n. n -> infinite
To find ln (1+e^n)/n as n–> if. Solution: ln(1+e^n) /n is of the form infinity by infinity form as n –> infinity. So we use the L’Hospital’s rule of differentiating both numerator and…
- MATH
Solve the system 7x + 2y = 12 x – 3y = 5
7x + 2y = 12 ….(1) x-3y = 5 …………(2) Using the substotitution methodrewrite (2): ==> x= 3y + 5 Now substotitute in (1): 7x + 2y = 12 7(3y+5) + 2y = 12 21y + 35 = 2y = 12 23y = -23…
1 educator answer
- HISTORY
In what ways did the rapid growth of the United States hinder and help with the…
In my opinion, the rapid growth of the United States (and I assume from your tag that you are talking about population growth) helped entrench Jacksonian democracy much more than it hindered it. As…
1 educator answer
- MATH
Calculate the sum 1/1*2 + 1/2*3 + 1/2010*2011.
Let S = 1/1*2 + 1/2*3 + …+ 1/2010*2011 Now let us rewire: We know that 1/n(n+1) = 1/n- 1/(n+1) Then: 1/1*2 = 1 – 1/2 1/2*3 = 1/2 – 1/3 …… 1/2010*2011 = 1/2010 – 1/2011 S = 1/1 – 1/2 + 1/2 -…
1 educator answer
- MATH
Calculate the derivative of the function f=Sum k*(k+1) / 3x*(x+1)(x+2).
f = sum k*(k+1)/3x*(x+1)(x+2) S = k(k+1= k^2 + k= Sk^2 + sK Sk^2 = 1 + 4 + 9 + 16 + …+n = n(n+1)(2n+1)/6 Sk = 1+ 2 + 3+ …+ n = n(n+1)/2 Then: S = n(n+1)(2n+1)/6 + n(n+1)/2 = [n(n+1)(2n+1) +…
1 educator answer
- BLACK BOY: A RECORD OF CHILDHOOD AND YOUTH
Why does Richard’s family have a difficult time accepting him?
Because Richard refuses to adapt to his deprived social surroundings and constantly seeks opportunities to improve himself. He is an individualist and a materialist who refuses his family’s bigotry…
1 educator answer
- MATH
Calculate the limit (1+2+…+n)/(n^2+3n+1) n –> infinite
lim (1+2+…+n)/(n^2 + 3n + 1) n –> inf By substituttion: lim (1+2+ ..+n)/n^2 + 3n + 1) = inf/inf But we know that: 1+ 2+ …_+ n = n(n+1)/2 ==> lim n(n+1)/2(n^2 + 3n + 1) ==> lim (n^2 +…
1 educator answer
- MATH
The arithmetic mean of three numbers is 23. The second number is six more than the first and the…
Let the numbers be: a, b, c Then: (a+b+c)/3 = 23 ==> a+ b + c = 69 …….(1) But we know that: b = a+ 6 ==> a = b-6 ………(2) also: b+c = 54………(3) Now let us substitute (2) and (3)…
1 educator answer
- THE COP AND THE ANTHEM
Re: The grammatical usage of come in “And now the time was come.” I have seen such use of come…
“Come” is actually part of a verb phrase in the example from O. Henry’s story. The combination of a “be” verb and “come” is called an unaccusative intransitive verb. Even though that term is a…
1 educator answer
- MATH
Given a = (11 – 1/2)(11 – 2/2)(11 – 3/2 )…(11 – 26/2), calculate m if |m – 3| = a
a= (11-1/2)(11-2/2)(11-3/2)…(11-26/2) l m-3l = a Let us write some more terms: a= (11-1/2)(11-2/2) ….(11-22/2)…..(11-26/2) = (11-1/2)(11-2/2)…..(0)……..(11-26/2) ==> a = 0 Now to…
1 educator answer
- THE SECRET LIFE OF BEES
How would the story be different if it had been a picture of a white Virgin Mary?
Your question is pertaining to the symbolism of The Black Mary. The Black Mary is symbolic and extremely important to many of the main characters. First, it is important to Lily because a picture…
1 educator answer
- MATH
Evaluate the limit lim n^2*sin1/n/(n+1) n–>infinite
We’ll substitute infinite into the given expression: lim n^2*sin(1/n)/(n+1) = inf. * sin (1/inf.) / (inf. + 1) = inf.*sin0/inf. lim n^2*sin(1/n)/(n+1) = 0*inf. As we can see, this is a case of…
- THE TEMPEST
I can’t understand The Tempest.hi, my name is mary i’ve asked last year about the wasteland and i…
Have you considered reading the text with a modern translation side-by-side? Often, this will help you to understand the language which is not extremely difficult, but gives students fits because…
2 educator answers
- MARTIN BUBER
Ethical values of Martin Buber
Buber is most famously known for his work called (in English) “I and Thou”. In this work he explains his ethical evaluation of the world whereby one person looks at others as worthwhile,…
1 educator answer
- REFERENCE
Please categorize shifting cultivation, wet rice cultivation, plantation agriculture and…
Of these four types of cultivation, only one is truly a subsistence technique. The other three are used only in commercial farming or can be used in both. The one that is solely used by…
1 educator answer
- REFERENCE
subject:computers in a java program,what are the keywords-float and int used forcan you please…
The keyword float and int is used to store data(values) in them. They r memory loctions. Int is used to store integer values. Eg- int x = 23; Float is used to store decimal values. Eg – float x= 3.4f;
- SCIENCE
Fovea is an anatomical term that means an area which has a special structure of it’s surface, that is different from the rest of the other part. Fovea is in the center of Macula lutea (yellow…
- LITERATURE
What’s the difference between practical and literary criticism?
The post by sdeadder gives a good place to start further research into what exactly Practical Criticism is. I like to think of this approach to reading and analyzing a text as a very formalist…
1 educator answer
- BUSINESS
Why is strategy implementation considered the most difficult stage in the strategic management…
I think you can answer this question just by thinking about it practically. The strategic management process includes planning, implementing and evaluating. There are several reasons the…
1 educator answer
- THAT WAS THEN, THIS IS NOW
In That Was Then, This Is Now, what town is represented as Mark and Byron’s town?
S.E. Hinton (Susan Eloise Hinton) grew up in Tulsa, Oklahoma where she witnessed teen violence and tragedy. As a seventeen-year-old teenager, Hinton wrote her first book, The Outsiders (1967),…
1 educator answer
- HARD TIMES
Describe the failure of the philosphy of Thomas Gradgrind in Hard Times?
Gradgrind’s philosophy was extremely matter of fact and quite inhuman: One could not do things for love, altruistically, nor as a volunteer because everything has a price. Education is not a…
1 educator answer
- ANIMAL FARM
What is summary of Chapters 5-9 of Animal Farm by George Orwell?I am reading the book but I find…
In Chapters 5-9 of Animal Farm, Napoleon begins his control over the other animals. Snowball proposes the building of a windmill which he thinks will benefit the animals. Napoleon disagrees, and…
1 educator answer
- HARD TIMES
Describe the failure of the philosophy of Thomas Gradgrind?
From the most elemental of point of view, Gradgrind’s failure is his embrace of a singular and monistic expression of the good. The affirmation of “fact, not fancy” and the idea that learning, and…
1 educator answer
- ROMEO AND JULIET
What did Romeo think of love before he met Juliet?What did Romeo think love was all about, before…
Romeo was actually in love with someone else before he met Juliet. Rosaline is Juliet’s cousin and the reason that Romeo wants to sneak into the Capulet’s party in the first place. Of course…
1 educator answer
- LAW AND POLITICS
How are laws and decision made in autocracy and democracy?Compare and contrast the two forms of…
I think that you are looking at two fundamentally different views of the political world. For the autocrat, decisions and laws are made through their own actions and own initiation. There is no…
2 educator answers
- SCIENCE
Why does Ammonia molecule have oxidation number zero? Some other examples of zero oxidation…
All molecules have a net oxidation number of zero as do all neutral elements. Within a molecule some of the elements have a positive oxidation number and some have a negative oxidation number but…
1 educator answer
- BUSINESS
Write a short note on line organisation.
Organization refers to the structure of people that work for any establishment or institution including business firms, government departments, service organizations, and social institutions….
- VIKRAM SETH
What is the moral of the poem “The Frog and the Nightingale”?
There are many morals that can be taken away from this poem. The first would be not to be so trusting of others. The nightingale trusts the frog way too much and does not scrutinize his potential…
1 educator answer
- BUSINESS
Do you think there are universal ethical standards or do the vary? Do you think there are…
I tend to think that most ethical standards are relatively ubiquitous but so too is the basic profit motive that tends to override any standards when positive behavior is not rewarded. If you look…
6 educator answers
- THE MERCHANT OF VENICE
How the main characters actions have resulted in significant consequences for themselves and…
You have established a strong thesis statement: “Shylock’s actions in the play directly affected the negative outcome of his request.” Him being labeled as the “villain,” your arguments and quotes…
1 educator answer
- THE OUTSIDERS
What was Ponyboy’s future plan? What was Ponyboy’s future plan in The Outsiders?
Ponyboy is the brainy one in the family. He likes to read and go to movies. But, what makes him different from other teens is that he is a Greaser, a gang member. His life has been hard with both…
1 educator answer
- REFERENCE
World Series of Poker is (WSOP). www.brandon-steven.com
- MACBETH
Are there some examples in the play Macbeth that show that the three witches are evil?(i.e….
I do not think that the witches are a portent of evil in the play. They do seek revenge as noted in the example above from Act 1 Scene 3; however, their revenge is not personal. The sailor whom…
3 educator answers
- THE GREAT GATSBY
theme of lonelinessWhat three points and how can I expand on them to write an essay on the theme…
Here are a few more to think about: – No one knows his real job – No one attends his funeral, and those that do barely know him really now. Think about how a funeral should be the celebration of…
5 educator answers
- FAHRENHEIT 451
What are three words that describe Ray Bradbury’s tone in Farenheit 451?
First, I would say there is an overriding passive/disconnected tone to the book. This is evidenced first by the 3rd person point of view. The action is often seen from a distance – which…
1 educator answer
- TO KILL A MOCKINGBIRD
What makes Mrs. Merriweather a hypocrite in Harper Lee’s To Kill a Mockingbird?
You can read about Mrs. Grace Merriweather in chapter 24 when Aunt Alexandra has her missionary women for tea. Mrs. Merriweather is a hypocrite because she is going on and on about being a good…
3 educator answers