Monday, 13 March 2017

Are acids proton borrowers or donors?

Acids are proton donors. Bases, on the other hand, are proton borrowers or acceptors.


When an acid is dissolved in water, it donates the protons, leading to the formation of hydronium ion and an anion. For example, the reaction between the hydrochloric acid and water can be written as:


`HCl + H_2O -> H_3O^+ + Cl^-`


Here, hydrochloric acid is the acid since it donates a proton, while water is the base as it accepts...

Acids are proton donors. Bases, on the other hand, are proton borrowers or acceptors.


When an acid is dissolved in water, it donates the protons, leading to the formation of hydronium ion and an anion. For example, the reaction between the hydrochloric acid and water can be written as:


`HCl + H_2O -> H_3O^+ + Cl^-`


Here, hydrochloric acid is the acid since it donates a proton, while water is the base as it accepts a proton. 


Based on their ability to donate the protons, the acids are classified as either monoprotic, diprotic, or triprotic acids. Monoprotic acids (such as hydrochloric acid or nitric acid) may donate one proton per acid molecule. Diprotic acids (such as sulfuric acid) may donate up to two protons per acid molecule. Similarly, triprotic acid (such as phosphoric acid) may donate up to three protons per acid molecule.


Hope this helps.

Sunday, 12 March 2017

How could I write an essay about The Song of the Lark?

There are different critical essays you could write on The Song of the Lark. One theme running throughout the book is the sacrifices that Thea makes for her art (which turns out to be singing). She must, over time, repudiate the demands of her family and upbringing to become a truly great artist.


Even while living in Moonstone (in Colorado), she shows independence of spirit by befriending people like Professor Wunsch and Spanish Johnny,...

There are different critical essays you could write on The Song of the Lark. One theme running throughout the book is the sacrifices that Thea makes for her art (which turns out to be singing). She must, over time, repudiate the demands of her family and upbringing to become a truly great artist.


Even while living in Moonstone (in Colorado), she shows independence of spirit by befriending people like Professor Wunsch and Spanish Johnny, who are both culturally and morally at odds with people in the town. Later, when Thea dedicates herself to singing, she leaves Moonstone and cannot return even to attend her mother's funeral. As an opera singer, she dedicates herself fully to her career and does not have time at the height of her career for a family. The novel speaks about what it means to be an artist, and Cather suggests that artists are freethinkers who are willing to separate themselves from what they know and the life they are born into. One of the themes you could write about, then, is the life of an artist. 


You could also focus on the mentors who help Thea become a great artist, including Dr. Archie and Frederick Ottenburg. What is Cather suggesting about an artist's need for understanding and mentorship to develop his or her art? These two men are critical to Thea, and their support is vital in helping her flourish. 

Saturday, 11 March 2017

Who killed John F. Kennedy?

Despite the conspiracy theories surrounding the Kennedy case, it has been determined by the Warren Commission that Lee Harvey Oswald killed John F. Kennedy on November 22, 1963.


John F. Kennedy had made a great deal of enemies during his short time in office. Southern Democrats did not like him for his stance favoring integration. Organized crime did not like him since the president's brother, Robert Kennedy, was the attorney general and was quite tough...

Despite the conspiracy theories surrounding the Kennedy case, it has been determined by the Warren Commission that Lee Harvey Oswald killed John F. Kennedy on November 22, 1963.


John F. Kennedy had made a great deal of enemies during his short time in office. Southern Democrats did not like him for his stance favoring integration. Organized crime did not like him since the president's brother, Robert Kennedy, was the attorney general and was quite tough on crime. Fidel Castro did not like Kennedy because of his attempts to assassinate him. Some in the Soviet Union did not like Kennedy for his hard stance during the Cuban Missile Crisis.


Despite this long list of potential enemies, in 1964 the Warren Commission determined that Oswald acted alone in killing Kennedy. Despite recent investigations into other theories and the recent opening of the Kennedy papers, there has not been enough evidence to change this conclusion.

What words or phrases does the author use to support the idea that the guests are well cared for and protected?

In order to suggest that Prince Prospero's guests are well cared for, the narrator describes the "castellated abbey" to which they've been invited.


[It] was an extensive and magnificent structure. . . . A strong and lofty wall girdled it in.  This wall had gates of iron.  The courtiers, having entered, brought furnaces and massy hammers and welded the bolts.


There is, therefore, no means of entering or exiting the castle, and the guests feel...

In order to suggest that Prince Prospero's guests are well cared for, the narrator describes the "castellated abbey" to which they've been invited.



[It] was an extensive and magnificent structure. . . . A strong and lofty wall girdled it in.  This wall had gates of iron.  The courtiers, having entered, brought furnaces and massy hammers and welded the bolts.



There is, therefore, no means of entering or exiting the castle, and the guests feel secure that nothing and no one will be able to find a way in.  In this way, they hope to shut out the outside world and its contagion. They also hope to maintain their own health inside the castle walls.


The narrator also describes the interior of the castle as a way of showing how secure and safe the guests feel.  "The prince had provided all the appliances of pleasure."  There are dancers, musicians, food and drink, and beauty. All these and security were within.  Then, after five or six months of this seclusion, the prince throws a huge masquerade party for his guests.  He takes great pains to create an environment that is both luxurious and fantastic, although he and his guests cannot, ultimately, escape danger forever.

Who were one of the most powerful tribes of the Great Plains due to the increase in violence between the Indian tribes?

The strongest Indian tribe in the United States was the Comanche.  They were originally from the mountains of Wyoming but migrated to Texas.  The reason that they became the most powerful Native American tribe is the use of the horse.  The Comanche were introduced to the horse by the Spanish. This tribe learned to use the horse more effectively and completely than any other Indian nation.  They utilized the horse for hunting, transportation, and warfare....

The strongest Indian tribe in the United States was the Comanche.  They were originally from the mountains of Wyoming but migrated to Texas.  The reason that they became the most powerful Native American tribe is the use of the horse.  The Comanche were introduced to the horse by the Spanish. This tribe learned to use the horse more effectively and completely than any other Indian nation.  They utilized the horse for hunting, transportation, and warfare.  The Comanche were so effective with the horse in warfare that they halted the Spanish expansion into the Southwest.  The Comanche also stopped the expansion of the French from Louisiana.  It was the Comanche that provided the Anglo-Americans with the strongest resistance in their attempt to move westward.  By the turn of the 19th Century, the Comanche had transitioned from a relatively benign nation into one of the fiercest cavalries in the world. 

Friday, 10 March 2017

Why are Malcolm and Macduff considered to be heroes in Macbeth?

Macbeth takes the throne by murdering the rightful king, Duncan, and upsets the natural order of things in Scotland. At the time, a king's rule was considered to be in accordance with God's will, so the murder of Duncan can be viewed as a rebellion against God's will. By taking the throne unlawfully, Macbeth throws Scotland into chaos. 


The two most prominent characters in the play who are resolved to restore order in the country...

Macbeth takes the throne by murdering the rightful king, Duncan, and upsets the natural order of things in Scotland. At the time, a king's rule was considered to be in accordance with God's will, so the murder of Duncan can be viewed as a rebellion against God's will. By taking the throne unlawfully, Macbeth throws Scotland into chaos. 


The two most prominent characters in the play who are resolved to restore order in the country are Macduff and Malcolm. Macduff is among the first to doubt the legitimacy of Macbeth's claim to the throne. He senses that Macbeth gained power by resorting to illegal means, and, of course, he is right. Macbeth murders Malcolm's father, Duncan, as well as Macduff's family. Both Malcolm and Macduff have two reasons to attempt to depose Macbeth. First, they want to restore peace and order in Scotland and make sure the rightful ruler takes the throne. Second, they are motivated to depose Macbeth because they want to exact revenge on him for killing all the innocent people, including their own family.


Malcolm joins Macduff in his quest to depose Macbeth, and they both succeed in defeating him and his army. They are heroes because they manage to save their country from the tyrannical rule of a cold-blooded murderer.  

How is cultural sensitivity important in professional communication in health care?

Cultural sensitivity is necessary for communicating effectively with patients. There are several reasons for this. 


First, there are topics that may be considered taboo in certain cultures such as sexual dysfunctions which nonetheless may provide important diagnostic information. Associated with this are many modesty taboos. Women from certain Islamic cultures may be particularly uncomfortable with male health care providers and have religious beliefs that would prohibit most forms of physical examination by a man. This...

Cultural sensitivity is necessary for communicating effectively with patients. There are several reasons for this. 


First, there are topics that may be considered taboo in certain cultures such as sexual dysfunctions which nonetheless may provide important diagnostic information. Associated with this are many modesty taboos. Women from certain Islamic cultures may be particularly uncomfortable with male health care providers and have religious beliefs that would prohibit most forms of physical examination by a man. This can impact their ability to be treated successfully.


Different cultures also have different forms of politeness. A patient who considers medical personnel rude may not communicate as effectively with them and may not be as likely to seek follow-on treatment. 


In many cultures, there are strong religious or spiritual components to healing. It is extremely important to learn and respect those beliefs and to work with spiritual or religious practitioners to treat a patient effectively. A patient who believes he or she  has been cursed who who believes that he will not recover without a certain religious ceremony may not recover until he or she has received appropriate traditional as well as modern medicine.


There are significant cultural differences in reporting pain and in the effectiveness of pain treatments. Without appropriate cultural understanding, there is the possibility of misdiagnosis or mistreatment. 



How are race, gender, and class addressed in Oliver Optic's Rich and Humble?

While class does play a role in Rich and Humble , race and class aren't addressed by William Taylor Adams (Oliver Opic's real name) ...