My aim for this experiment is to find out how concentration affects the rate of reaction, when marble chips reacts with hydrochloric acid.
Mansoor Khan An investigation to see how concentration affects the 1
rate of reaction.
Introduction
My aim for this experiment is to find out how concentration affects
the rate of reaction, when marble chips reacts with hydrochloric acid.
I am going to use calcium carbonate (marble chips) to react with
hydrochloric acid that will produce carbon dioxide gas. The equation
for this reaction is:
Word equation:
Calcium Carbonate + Hydrochloric acid Calcium Chloride + Carbon
Dioxide + Water
Symbol equation:
CaCO 2HCl CaCl CO H O
For my experiment, I will be experimenting on different concentrations
of acid on marble chips. The other variables that I could have chosen
for this particular experiment are:
Temperature- I thought about choosing this variable but was put off by
the difficulty of control the temperature.
Surface area- I have not choose this because I did not like the fact
that there were only three different sizes of marble chips, when I
needed five results, and also it requires quite a long preliminary
experiment to find the right concentration of acid.
Prediction
I predict that if a high concentration of acid is used, the reaction
will be faster and thus resulting in more carbon dioxide being
produced as gas. The weaker the concentration of acid, the slower the
reaction and the less amount of carbon dioxide gas that will be
produced.
The collision theory states that if particles in a solution have
enough energy to break free from their existing bonds to form new
bonds they will, the amount of energy needed to form new bonds is
called the activation energy. So if you increase the amount of
particles in a solution they will be more collisions.
The collision theory also says that if the particles are constantly
moving and colliding with each other, when one particle collides with
another, energy is transferred between these particles and so energy
is constantly gained or lost. The number of collisions with enough
energy greater or equal to the activation energy, determines the rate
of reaction.
I predict that the 2 molar of hydrochloric acid when reacting with
marble chips will produce the most carbon dioxide and in the least
amount of time, because they are more reactants in the solution and
more particles that will collide with the reacting particles. Also
because this is the most concentrated solution that I am experimenting
on there are more reacting particles of colliding about in the
solution this means that the will be more collisions between the
reacting particles which is likely to cause a reaction, these reacting
Jackie Robinson was the most influential ball player of all time. Jackie was born in Cairo, Georgia on January 31, 1919. Robinson had a tough childhood since his dad left his family when he was only 1 year old. This was very difficult for his family, so Jackie, his mom, and his 4 siblings moved to California. This move actually helped Jackie in the long run as he later attended UCLA. At UCLA, Jackie became the first 4-letter man. This meant that he was the first person in the school’s history to join four varsity sports teams. From there, Jackie went on to the army and then to the Negro Leagues. During his time in the Negro Leagues, Branch Rickey, the general manager of the Brooklyn Dodgers, was looking for a black man to break the
An African-American man who faced Racism and insult of White people. He was born in Cairo, Georgia. But, because his family were African American, he faced poverty, which cause him to live hard time, during childhood. In 1920, Robinson’s family decided to moveto Pasadena, California. When he went to school, Jackie got a lots of scout by a school coach. In high school, Jackie mastered most of the sports, like baseball, football.etc. After his graduation of his high school, Jackie went college in Pasadena. Two years later, he went to the UCLA. But because of his skin color, professional team didn’t scout him on their team. Also, lots of sports teams were segregated during 1930-1940. In 1941, he left the UCLA and help his mother. However, Jackie has to join army for WWII. After he came back in early 1945, Kansas City Monarchs scouted him, and decided to play baseball as his career. But, Because he didn’t play as professional Baseball player, He had to get use to play. However, Jackie already had all the necessary abilities for baseball. During the season, Boston Redsoxs proposed a contract with him. However, Because of the racism action by white people, the deal failed. Lots of sports teams also tried to transfer African American player to Major league. However he decided transfer to Los angeles Dodgers. During the game(in Dodgers), he had lots of insult by other players. However, he endures the
To the average person, in the average American community, Jackie Robinson was just what the sports pages said he was, no more, no less. He was the first Negro to play baseball in the major leagues. Everybody knew that, but to see the real Jackie Robinson, you must de-emphasize him as a ball player and emphasize him as a civil rights leader. That part drops out, that which people forget. From his early army days, until well after his baseball days, Robinson had fought to achieve equality among whites and blacks. "Jackie acted out the philosophy of nonviolence of Martin Luther King Jr., before the future civil rights leader had thought of applying it to the problem of segregation in America"(Weidhorn 93). Robinson was an avid member of the NAACP and helped recruit members because of his fame from baseball. Jackie had leadership qualities and the courage to fight for his beliefs. Unwilling to accept the racism he had run into all his life, he had a strong need to be accepted at his true worth as a first-class citizen. Robinson was someone who would work for a cause - that of blacks and of America - as well as for himself and his team.
“A life is not important except in the impact it has on other lives.” Jackie Robinson went through many struggles from whites, since he was the first black baseball player. Robinson was an excellent ball player who exceeded at every level. He had a magnificent Batting Average and spoke against racism. Robinson played while dealing with threats from fans and other teams. Jackie Robinson, the first black baseball player, set many records and legacies for Americans to think about.
His middle name was chosen after Teddy Roosevelt because of his public opposition to racism. He had four brothers and sisters (Rampersad 15). As an infant Jackie Robinson’s father left him and his brothers and sisters. He would later try and return but Mallie, Jackie’s mother, had already moved on and wanted nothing to do with him. Mallie was eager to leave things behind so she moved. Robinson and his family moved to Pasadena, California (Rampersad 18). After two years she was able to collect enough money to move to a new house on Pepper Street which was an all-white neighborhood. Later on in his life Robinson went to The University of California, Los Angeles (Johnson 480). While at UCLA Robinson became the first person to letter in four different sports. It was also at UCLA where he met Rachel Isun, who would play a major role in his life. In 1941
Jackie Robinson grew up in a big family. His mother was a single parent so basically him and his brothers were the men of the house and had to take care of their mother. Jackie Robinson was the youngest of five children and was happily raised by his mother (“Robinson, Jackie Biography, Robinson, Jackie - Black History”). Jackie Robinson was 5’11 and weighed 204 lb. Jackie Robinson attended John Muir High School as a teenager then graduated and attended Pasadena Junior College (“Robinson, Jackie - Black History”). Jackie Robinson was an outstanding athlete in high school and chose to attend a Junior College before going to a big Division 1 school. When he got to Pasadena Junior College, his athletic success started to skyrocket.
To start off, for Jackie Robinsons bravery to stop the color barrier Jackie Robinson had the courage for two years no one else had. In the article “Skin Games” Gregg Guss states, “For two full years he ‘turned the other cheek’, his brain keeping his mouth shut while his heart burned with rage at the insults he knew he must tolerate”(2). Robinson managed to do a lot even with all the abuse he suffered. He had to walk away from name calling, death threats even as a child he faced abused being the only black family who lived in a white neighborhood. In the article “Skin Games” Gregg Guss states, “The world Jackie Robinson grew up in was separate and unequal” (3). All Jackie Robinson wanted to do was make the game he loved equal for all. He wanted to show that African Americans could play any sport just as good as anyone else that there skin color did not define their talents. Although Jackie Robinson faced a lot making the path for African Americans he did it bravely, diligently...
Robinson created an entire career by using his passion to help the civil movement. “Jackie Robinson became the first Major League baseball player to break the color barrier since 1880.” (McBirney, 5). Every advancement he made to his community was through baseball. As his influence and popularity gained a following of interest, Jackie Robinson used these types of opportunities to spread his beliefs. “Jackie Robinson wrote: ‘The right of every American to first class citizenship is the most important issue of our time.’” (Jackie Robinson - Mini Bio, 00:02:14 - 00:02:28). Though many whites did not share his beliefs, Jackie used his field ability to show that he could be just like the other players and maybe even better, despite his skin color. “In later seasons, more African Americans joined other teams in the Major Leagues, as Robinson continued to excel,” (McBirney, 7). An eloquent example of equality and bravery, Robinson opened the eyes of the public to see that black players had the same abilities as white players. This became a beginning spark for the fight of
Jack “Jackie” Roosevelt Robinson was born January 31, 1919 in Cairo Georgia. There he lived with his family in dire poverty on a sharecropper’s farm. Abandoned by his father, at age one, his mother moved their family to Pasadena, California; there she raised Robinson and his four siblings all by herself. Jack became a star athlete in high school excelling in football, basketball, track, and his weakest sport baseball. Jack was not the only athlete in his family. His brother Mack, won a silver medal in the 1936 Berlin Olympics for the 200 meter dash finishing second to Jesse Owens. When his brother returned the only job he could get was sweeping the streets. Robinson grew to hate Pasadena, according to Ray Bartlett, a friend he would later meet at UCLA. (Jerome 71) While Mallie, Jack’s mom, struggled to raise her family alone, she instilled the values in Robinson that made him fight not just for himself, but for others. (Berkow A16)
The Effect of Concentration of Hydrochloric Acid on the Rate of Reaction with Magnesium Aim: To investigate the effect of concentration of hydrochloric acid on the rate of reaction with magnesium Prediction: As the concentration of the hydrochloric acid increases, so will the rate of reaction Hypothesis: In a reaction, particles of two different reactants react together to form a product. The reaction only takes place on account of two things, if the particles collide, and if the collision has enough 'activation energy'. The two reactant particles, in this case magnesium particles and hydrochloric acid particles, must collide with each other on the correct 'collision course'. If this does not occur then no chemical reaction will take place. The reaction must also have enough energy, this can be affected by temperature, the more heat the particles have the faster they move and so the more energy therefore more chance of successful collisions.
...lic of the Greek culture and national identity. These include the Souvlaki, thick coffee, moussaka, baklava, and resonated wine. Tavernas have been a social meeting place for the men. In the past three decades eating out has grown in popularity, increasing the number of restaurants, and the variety of restaurants to choose from.
From a young age, Jackie knew that he would be very athletic. His skin color didn’t stop him from achieving his goals. Fans screaming at him and throwing things at him didn’t stop him. Even his teammates refusing to play with him didn’t stop him. Jackie Robinson is one of the best baseball players ever and Jackie Robinson is one cool dude.
Life in Greece in ancient times would remind you of your own life in many ways. There was school, family, athletic competition, and social gatherings. Knowing that participants in their sporting events competed nude or that you rarely knew your husband/wife until the wedding day does however, make you grateful for the society that you live in today.
Rate of Reaction Between Marble Chips and Hydrochloric Acid. The aim of this experiment is to find out how different variables affect the rate at which the reaction between Marble chips (CaCO ) and Hydrochloric acid (HCl) is used. There are many variables that affect the rate of this reaction such as the following. 1.
I would like to show you today, how corruption could cripple the progress in South African societies by empowering criminal organizations and keeping the lower classes poor, and then I shall provide judicial solutions that revolve around empowering the public financially and legislatively to overthrow the tools of corruption.