Analysis of Brick cleaner Aim Essay Example for Free

Analysis of Brick cleaner Aim Essay Theory/Hypothesis: The main ingredient in brick cleaner is HCL and must be diluted and titrated with a base to be able to analyse it. It reacts with parts of the concrete which allows it to remove the concrete from the bricks. I think there will be around 30% of HCL in brick cleaner. Materials: 5mL brick cleaner 100mL, 0.1M standard sodium carbonate solution 250ml de-ionised water Methyl orange indicator 250mL volumetric flask 4x100mL conical flasks Small funnel 10mL measuring cylinder * 20mL pipette * Pipette filter * Dropping pipette * Burette and stand White tile Electronic balance Safety glasses Gloves Method: 1) A 250 mL volumetric flask was weighed with its mass recorded 2) A 10mL measuring cylinder was used to pour 5mL brick cleaner into the volumetric flask. The flask was stoppered straight after all the brick cleaner was in the flask. 3) The flask was then reweighed 4) De-ionised water was added until the flask was about half full. The flask was stoppered and shaken carefully upside down several times. 5) More water was added to the flask about a cm below the graduation line. A dropper was used to accurately drop the right amount of water to the flask so the bottom of the meniscus was on the graduation line. 6) A 20mL pipette was used to put 20mL of sodium carbonate solution into each of the four 100mL conical flask. 3 drops of methyl orange indicator was added to each. 7) The burette was filled with the solution of brick cleaner. 8) The sodium carbonate solution was titrated with the solution of brick cleaner until there was a clear permanent colour change. 9) Steps 7 and 8 were repeated until 3 concordant results were Results: Weight Volumetric flask 78.968g Brick cleaner 6.00g Titre 1 2 3 Initial vol 2.3 23.4 3.0 Final vol 23.4 44.5 24.0 Vol added 21.1 21.1 21.0 Calculations: On page attached. Discussion: The weight for the brick cleaner may not be 6.00g as the volumetric flask was not weighed again with the brick cleaner in it because that step was forgotten. So the result above was taken from another student that did the prac. This will affect the results as the mass of the brick cleaner is used to determine the percentage by mass of HCL in brick cleaner. All 3 titres show that they are only within 0.1 of each other. The hypothesis has been disproved because it was suggested the 30% of HCL would be in brick cleaner and theres only 2.4% although its not certain that those steps were done correctly. There were no problems encountered during this prac. Focus Questions: 8)a) the manufacturer says that brick cleaner is made up of around 35% HCL, which is a massive difference to the answer that was got in this prac but again question 7 was not done correctly. b) differences in class results occur because not everybody would have done the exact volume of brick cleaner, sodium carbonate etc as each other therefore the difference in results obtained. 9) To correctly clean up a spill of 20mL brick cleaner you would mop it up immediately, washing it away with massive amounts of water 10)a) volumetric flask= once with water twice with brick cleaner b) Burette= once with water twice with diluted solution of brick cleaner c)pipette= once with water twice with diluted brick cleaner d) conical flask=once with water twice with sodium carbonate solution Conclusion: To conclude, there should be 35% HCL in brick cleaner although it was found that there was only 2.4%.

Remember Me, by Charles Joyner Essays -- history, unskilled and skilled

Remember me is a description of unskilled and skilled work on plantations, how rice was grown and harvested, and the customs of the slaves on the Georgia Coast. Joyner depicts the life of slavery from the Masters, slave, and outside parities to a view seldom seen in the education system today. In His book, Remember Me, Charles Joyner relates the slave owner and slave to each other because each needed one another for survival on a daily basis. Joyner explains how some masters particularly cared for their slaves with one example being from Reverend Colcok Jones, â€Å"Tell all the howdye for me, (19)† and other forms of greetings when away from the plantation. However, Joyner also goes into great detail of how some masters mistreated their slaves along with their mistresses. Joyner explains that the Butler’s mistress beat the slaves routinely, and as Fanny Kemble â€Å"On the first morning of her arrival amongst us, by beating severely, with a raw cow-hide, the b lack girl who nursed the infant, because the child cried. (20)† Many historians believe the reason lying behind this was because the plantation owners were having explicit affairs with other slaves, and the wives of Plantation owners were not oblivious to this fact. On one hand, most mistresses felt that the slaves were inferior to the white race, so therefore, beat the slaves without a cause. It was common practice, during the slave period in Georgia, that slave owners beat their slaves. On the Contrary, one might also see that some plantation owners, very few, actually cared for their slaves with great compassion and loved their slaves as their own family. As the punitive treatment of slavery carried on, the life of the slave on the Georgia Coast was demanding and extremely... ...mselves. Slaves told stories of how their masters cared for them and made sure they were taking care of, had all the food they needed, and also how some of them had time where they could escape and get away from the reality that they were held against their will. However, slaves also left behind horrific stories of beatings, lynching’s, and of rape their owners did to them. What Remember Me attempts to bring out is the good and the bad of slavery, the cruel harshness one had to endure, and the love and compassion few owners gave to their slaves. In doing this Charles Joyner received a lot of criticism against his statements, but what he is credited with is bringing out a new light in slavery alongside the Georgia Coast few had ever seen. Works Cited Joyner, C. (2011). Remember me: Slave life in costal Georgia. Athens, Georgia: The University of Georgia Press. Remember Me, by Charles Joyner Essays -- history, unskilled and skilled Remember me is a description of unskilled and skilled work on plantations, how rice was grown and harvested, and the customs of the slaves on the Georgia Coast. Joyner depicts the life of slavery from the Masters, slave, and outside parities to a view seldom seen in the education system today. In His book, Remember Me, Charles Joyner relates the slave owner and slave to each other because each needed one another for survival on a daily basis. Joyner explains how some masters particularly cared for their slaves with one example being from Reverend Colcok Jones, â€Å"Tell all the howdye for me, (19)† and other forms of greetings when away from the plantation. However, Joyner also goes into great detail of how some masters mistreated their slaves along with their mistresses. Joyner explains that the Butler’s mistress beat the slaves routinely, and as Fanny Kemble â€Å"On the first morning of her arrival amongst us, by beating severely, with a raw cow-hide, the b lack girl who nursed the infant, because the child cried. (20)† Many historians believe the reason lying behind this was because the plantation owners were having explicit affairs with other slaves, and the wives of Plantation owners were not oblivious to this fact. On one hand, most mistresses felt that the slaves were inferior to the white race, so therefore, beat the slaves without a cause. It was common practice, during the slave period in Georgia, that slave owners beat their slaves. On the Contrary, one might also see that some plantation owners, very few, actually cared for their slaves with great compassion and loved their slaves as their own family. As the punitive treatment of slavery carried on, the life of the slave on the Georgia Coast was demanding and extremely... ...mselves. Slaves told stories of how their masters cared for them and made sure they were taking care of, had all the food they needed, and also how some of them had time where they could escape and get away from the reality that they were held against their will. However, slaves also left behind horrific stories of beatings, lynching’s, and of rape their owners did to them. What Remember Me attempts to bring out is the good and the bad of slavery, the cruel harshness one had to endure, and the love and compassion few owners gave to their slaves. In doing this Charles Joyner received a lot of criticism against his statements, but what he is credited with is bringing out a new light in slavery alongside the Georgia Coast few had ever seen. Works Cited Joyner, C. (2011). Remember me: Slave life in costal Georgia. Athens, Georgia: The University of Georgia Press.

Argyles Communication Cycle

This assignment will discuss two well known theories of effective communication. Firstly it will look at Michael Argyle (1972), the cycle of communication and then it will discuss Bruce Tuckman (1965) stages of communication. Michael Argyle (1972) looks at the cycle of communication which involves six stages this is about sending receiving and the decoding of messages between individual and also groups.An ideas occurs – when one has thought of an idea that they want to express with another person/sMessage coded – when the idea has been thought through, there is a thought process of how this idea is going to then be communicated. There is a thought as to how this message is going to express it, as it could be through language, writing, sign or symbols or whatever it may be.Message sent – articulate the message, may it be verbal, written, sign or use what would be most appropriate in order to communicate effectively.Message received – when the message has be en heard or seen, depending on how the message was sent in the first place.Message decoded – this is where the person who had received the message is starting to make sense of the message. As one tries to decode the message is received is at this point where they can miss interpret the message.Message understood – providing that all goes well the initial idea is then understood but sometimes this doesn’t always happen.Once there is understanding then Bruce Tuckman’s (1965), stages of communication looks at how a group of people have to develop their behaviour in order to become an effective group, all to reach a common goal.His sequential theory has four stages of communication. Forming – has been considered to be the introduction stage, where it is not clear to the group what their purpose is. At the same time they put one another under scrutiny as they are not too familiar with each other, so there in not much in the way of trust either.So as a result of this some may not be happy with the idea. Some may be feeling frustrated where as others may just have some issues about working with particular people. There could be a lack of values and some prejudices may possibly be expressed initially to some members of the group.Storming – when putting certain characters together that usually don’t work with one another, it at this stage where the competition is rife as there is a power struggle within the group as some may try to change the team’s mission. This could result in arguments about how the group is going work and what roles each member will be having. Eventually the team itself could splint. As a result of putting different pe ople together, the group begins to form relationships with each other and can sometimes for smaller group. This causes the lack of motivation, anxiety and frustration resulting in the groups failure to complete the mission.Norming – during this stage the trust and respect is developing amongst the members of the group, since it becomes clear that each member has a role and they are aware of what their role will be. As a result of them coming together with a common goal they all have a shared expectation of each other, which is known as norm. They have fully established norm, a set of common beliefs and values. Individuals become more motivated and commitment is demonstrated with each member of the group, whilst the team is being creative.The group now have a fully defined purpose and so success begins to flow within the group.Performing – the group now demonstrates that actually they are able to perform the task effectively as members feel comfortable, at ease and have a sense of belonging to the group as a whole. There is a high sense of morale as the group experience high levels of trust, pride and support from each other and so now this group begin to feel that their performance has been of better-quality. More often than not I believe that the patterns of behaviour do actually arise in some individuals.There are those that are more extreme than others, whereas some are less extreme but none the less this does not suggest that people cannot work well together. According to Tuckman’s theory these stages can be very effective in breaking down the barriers of communication within a group of individuals that have a common goal. With Argyle’s theory it is agreed that this very process does actually taken place when communication but at the same time it could easily breakdown when the message has been misunderstood of misheard.

Analysis Of John Steinbecks Of Mice and Men - Free Essay Example

Sample details Pages: 2 Words: 532 Downloads: 8 Date added: 2019/06/12 Category Literature Essay Level High school Tags: Of Mice And Men Essay Did you like this example? Many people wish to realize the American Dream, lured by ideal that everyone could achieve success through hard work and determination. What many people dont realize is that the path to achieving success is lined with obstacles and unknown loneliness. One novel, Of Mice and Men by John Steinbeck, illustrates the story of different ranchers in Salinas Valley during the 1930s who live their life in pursuit of the American dream. Don’t waste time! Our writers will create an original "Analysis Of John Steinbecks Of Mice and Men" essay for you Create order Candy, a handicapped swamper, demonstrates how loneliness plagues people on the ranch. Candy is a character who survives on the ranch by keeping out of peoplers affairs, and is lonely due to his lack of family and friends. One characteristic that defines Candy is that he knows to mind his own business. During one encounter, Candy overhears the conversation between George and Lennie which reveals how George had lied to the boss regarding Lennie being Georgers cousin, when Lennie was not related to George. When George confronts Candy about eavesdropping, Candy responds by saying A guy on a ranch dont never listen nor he dont ast no questions (Steinbeck 24). It was clear that Candy has heard their conversation, and knows about Georgers lie. His response reveals his preference to stay out of peoplers affairs and mind his own business. In a sense, this ignorance is his belief that staying out of trouble is crucial for workers on the ranch since theyre so replaceable. Therefore, it is no surprise that Candy is one of the workers that has been working at the ranch for the longest. The brief exchange with George and Lennie illustrates Candyrs characteristic of minding his own business and staying out of troubl e. Another more subtle characteristic that describes Candy is loneliness. Candy is a lonely character because he doesnt have any close friends or family members. His loneliness surfaces when he tells George and Lennie that Id make a will an leave my share to you guys in case I kick off, ?cause I aint got no relatives or nothing (Steinbeck 59). In this quote, he outright admits that he has no relatives. Furthermore, there is a hint that points to his lack of friends. The key is that he only met Lennie and George for the first time a few days ago. His willingness to hand over his share to people who he had just recently implies that George and Lennie are his closest connections, and reveals how lonely Candy truly is. From Candyrs action and words, readers can sense his loneliness. In John Steinbecks Of Mice and Men, Candy is a character who minds his own business for survival on the ranch, and is a lonely character due to his lack of family and friends. Candyrs decision to act ignorant about Georgers lie illustrates his tendency to stay out of trouble, as his sees that as the way to survive on the ranch. In addition, Candyrs loneliness is revealed through his willingness to transfer his share to George and Lennie, people who he had just met a few days ago. His action show that he has no connection with anyone else besides these two people he had just met recently, pointing to how lonely he truly is.