Concentration Essays

conclude, in this experiment, we set out to find how the concentration of sucrose affects the cell of a potato. The results that I got from the entire class’s data and my group’s data both indicated one thing. They show that as the amount of sucrose concentration increases by g/ml, the change between the final and the initial mass decreased. The percentage change in mass for the first 3 concentrations were positive because of the concentration of solute in the raw potato. The mass increase in a potato

Higher Concentration of Sucrose Lowers the Mass of a Potato Independent Variable: Concentration of Sucrose used Dependent Variable: Mass of each Potato after Experiment Constant: Size of Potato being used at room temperature Introduction We learned about hypertonic and hypotonic environments before this lab as well as what takes place during osmosis. Do potatoes loose or gain mass when soaked in specific solutions such as sugar or salts? Sugar is a large molecule and has low permeability

Absorption occurs either chemically and physically. Chemical absorbency is the reaction between two chemical substances, absorbing together. An example of chemical absorbency is sodium hydroxide absorbing carbon dioxide. The stoichiometry and concentration of these substances can affect the chemical absorbency of the product. Physical absorbency is the absorption of gases into liquids, the pressure, temperature and solubility of the gas are all factors that will potentially affect physical absorbency

This lab involves concentration and molarity. In order to understand, some words must first be defined and understood. According to our 15-1 Review and Reinforcement worksheet, a solution is “a homogeneous mixture of two or more substances in a single physical state” (15-1 Review and Reinforcement). A solution has small particles, is evenly distributed, and will not separate on its own. Some examples of solutions are soda and salt water. Concentration, which we will be a factor in this lab, is the

The concentration of the stock solution 2.0x 10-4M as per label information in the lab. However, the calculated volume using the experimental data is 1.5 x 10-4M.There is 25% difference between these concentration caluclated from zero time intercept.The significant difference in the concentration drop happened by many factors.First,the rate ionization is depend the pH because pKa determines the equlibrium between p-nitrophenol and its depronated form p-nitrophenolate.Although,the pH is maintained

Question What impact will solutions of different concentration have on the percentage change in the masses of potato tubes? Variables Independent Variables The concentrations of sucrose in the solution (M per mL): 0.2 0.4 0.6 0.8 1.0 The control: Water with no salt/sugar added (therefore 0.0 M per mL) Dependent Variables: The percentage change in the mass of the potato tubes after bathing them in sucrose solutions of different concentrations Controlled Variables The variable How it was

INTRODUCTION Diffusion takes place on molecules of liquid, gas or a solution. It is the movement of molecules from an area of higher concentration to an area of lower concentration down a concentration gradient in random motion (D G McKean, Dave Hayward 2014). The diffusion of molecules passing across a lipid bilayer is also affected by its “hydrophobicity”. Diffusion can be done without the use of energy due to the randomness of the movements of particles. Molecules move from areas where they are

In conclusion, when the concentration of grape juice increased, the average percentage change in the mass of the potato cylinders decreased. The increased concentration of grape juice means that there are more glucose molecules and, hence, the solution had a lower water concentration. There were more water molecules in the potatoes, thus diffusing into the water, against the concentration gradient in order to reach equilibrium. The water being lost decreased the mass of the potato cylinders. For

Critical Micelle Concentration The CMC (Critical Micelle Concentration) is the amount of a surfactant molecule in a bulk stage, beyond which aggregates of surface active agents, so-called micelles. The CMC is a significant distinctive property of surfactants for its application. Generally molecules have two different constituents with differing attraction for the solutes. The component of the molecule that has an empathy for polar solutes, like water, is assumed to be hydrophilic. The component of

Introduction In this report, an unknown concentration of phenol red and the pKa of an acid were determined. The unknown concentration of the phenol red was determined by using Beer’s Law (A=εbc). According to Beer’s law, the absorbance of a compound is proportional to its concentration. The absorbance of several standard solutions were measured by a spectrometer, and these results supported Beer’s Law. The pKa of an acid was determined by the Henderson-Hasselbalch equation (pH= pKa+ log ([A-]/[HA])

After his arrest, he was sent to a concentration camp together with his family and that is where he got the content of the book from. This book was first published in German and the modern translation of the book in English is; MAN’S SEARCH FOR MEANING. The book details the horror of life in the Auschwitz and Dachau Nazi camp. The salient them in his book is perhaps the notion

Isabella Alvares MYP 4 Task due date: 23rd August 2016 Research Question: What is the effect of the concentration of the enzyme Catalase from a potato on the time taken for a paper disc to rise to the top of a hydrogen peroxide substance? A chemical reaction is a process that involves the reorganization of the molecular arrangement of substances. It is the procedure in which a reactants and/or products undergo to form a new substance or molecule; which is the result of an effective chemical reaction

English 9H 25 March 2017 The Atrocities of Life Inside a Concentration Camp On January 30th of 1933, the Chancellor and Fuhrer of Germany Adolf Hitler commenced mass genocide against the Jewish people. Following WWI, Hitler aimed to eradicate the Jews from Germany. Jewish people were herded into large concentration camps run by Hitler’s Army known as the Nazis. These concentration camps were basically death camps. Living in a concentration camp was one of the worst things one could imagine, for

What might it of been like to be in a concentration camp? Concentration camps were used mostly during wars against countries to imprison enemies they captured. Concentration camps were actually illegal, and inside the camps people would be treated horribly and sometimes killed, these reasons might be why their illegal. So how were the people in the camps treated? Some prisoners would work as slaves to benefit the concentration camp owners. The Nazi camps forced some prisoners to be slaves, sometimes

Concentration Camps For my Holocaust project I focused on the 3D model of an concentration camp . I chose the camp Auschwitz because it was so much bigger and it was known for its atrocities ( extremely wicked or cruel acts.) The camp opened up in 1940, it’s located in southern Poland and was home to political prisoners initially. The camp served three main purposes. One being to, imprison enemies of the Nazi ,the second was to provide supply of forced labor and the last reason was to eliminate

Eugenics and Concentration Camps Most people have a common knowledge on the holocaust, and about the horrible things that happened with it, but to what extent? Therefore, I will be typing this paper about Hitler; his beliefs and intentions on the concentration camps. I will also be typing about the concentration camps, how they formed, the way people were treated, how the people got there, and how eugenics was used in the concentration camps and in other countries too. Concentration camps did not

Auschwitz Concentration Camp The Nazis thought concentration camps were a good way to detain individuals, one of the largest and most outrageous concentration camps was known as Auschwitz, millions of people died and few survived. Auschwitz had three major death camps, Auschwitz I was where medical and chemical experiments were done. Poland’s first and largest concentration camp, established in 1940 by SS authorities was known as Auschwitz. It was a detention center used by the Nazi Regimes as a

Life in the Concentration Camps Miami Beach Senior High   Concentration Camps Defined According to United States Holocaust Memorial Museum, Concentration Camps were various facilities that were defined as political, ideological, or racial opponents of the regime. Many different camps were given different names and different roles. There are death camps, transit camps, labor camps, and concentration camps. The first camp that

A Day in a Nazi Concentration Camp Soon after Adolf Hitler’s appointment to chancellor in 1933, the construction of concentration camps began in Germany (“Introduction to the Holocaust”). The Nazis then began to build detention facilities to house those who they believed were lesser than them, such as Jews, homosexuals, Socialists, and Gypsies (“Concentration Camps”). Dachau was the first concentration camp set up by the Nazies. Twenty two main concentration camps had been built by the end of World

Concentration camps were an important tool used by the Nazis during the Holocaust. They held prisoners, tortured them, and made them suffer until they died. During World War II the “camp system”, established by the Nazis, expanded quickly and there were more than 40,000 concentration camps established within the years of 1933 and 1945. Prisoners at the concentration camps were beat to death daily and suffered from lack of food and punishments. Buchenwald concentration camp was just one of many other