Changing the Rate of Reaction PART 1: PARTICLE SIZE Question: How does changing the particle size of marble (CaCO3) affect the rate of reaction when it is added to hydrochloric acid (HCl)? Hypothesis: If I change the particle size of marble to test how to change the rate of a chemical reaction‚ than the chemical reaction with the smallest marble particles will produce CO2 the quickest because the larger the surface area‚ the more place the hydrochloric acid will have to collide with the marble
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Lab 2B: Diels-Alder Reaction Zhouxiang Xu TA: Bhumasamudram Jagadish Experiment performed: Jan 28th‚ 2014 Report Due: Feb 10th 2014 Result: For the Diels-Alder reaction: Maleic acid is 0.002 mol 2‚3-dimethyl-1‚3-butadiene is 0.002 mol The theoretical yield is 0.36g Cycloaddition product is 0.358g (maybe it was not completely dry when I weighted.) The % yield of Diels-Alder reaction is 99.4% For the hydrolysis: The theoretical yield of hydrolysis is 0.396g The
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Kinetics of an SN1 reaction: the effect of solvent on rate Object The purpose of this experiment is to determine the rate of hydrolysis in acetone/water (50/50 v/v and 60/40 v/v). Background and Theory An SN1 reaction of tert-butyl chloride takes place in two steps. First‚ the Alkyl Halide will leave the molecule. In this step the bond is breaking‚ which takes a longer amount of time‚ so it will determine the rate of the reaction. As a result‚ it forms a tertiary carbocation‚ since this
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together by ionic bonds in a lattice shaped structured. They are packed tightly together to maximize the attraction between the ions. When two compounds are mixed together‚ they form a precipitate. A precipitate is solid that is formed from a chemical reaction. A cation is a positively charged ion and an anion is a negatively charged ion. Hypothesis: The anion and the cation will react to form a precipitate more often than not.
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Title: Stoichiometry Reaction Objectives: 1. To decompose sodium hydrogen carbonate (sodium bicarbonate) by heating. 2. To accurately measure the degree of completion of the reaction by analysing the solid sodium carbonate product. 3. To calculate amount of product with given amount of reactant. 4. To determine amount of heat release in the reaction. Results: Part 1: Thermal Decomposition of NaHCO3 Materials Mass (g) Clean and dry test tube 15.1632 Clean test tube + NaHCO3 17.1647
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Kassidy Caviness- Thames Lab Partner: Dena Jackson Reaction lab “I certify that this lab report is my own work‚ except for properly referenced and cited information. I have adhered to all guidelines published in the student handbook on Academic Integrity‚ as well as all guidelines published for this class in the Syllabus and Academic Integrity Handouts.” Purpose- The purpose of this lab was to display to us a variety of different reactions using an eclectic of things in the chemistry lab: including
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class to describe your experiences. What to critique? LIVE activities such as plays‚ concerts‚ art museums‚ art galleries‚ dance recitals‚ etc. Attempt to choose a variety of experiences. Events must take place during the current term (no‚ you may not write a critique on a concert you saw last year). Take advantages of activities on campus. (However‚ do not critique the Burgers of Calais‚ or rock/pop concerts.) Attendance must be for the entire performance. It is extremely rude and disrespectful
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and purify a compound. This was achieved using techniques that allowed the extraction of the acid‚ the isolation of the neutral compound and the melting point classification of the neutral compound to test the purity of the sample. Chemical Reactions: HA + OH- A- + H2O R-COOH + OH- R-COO- + H2O Organic Acid Insoluble in H2O Conjugate base Soluble in H2O Procedure: A 0.170g sample consisting of a mixture of 0.110g of an unknown neutral compound and 0.060g of benzoic
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Xavier 1 Joe Xavier Professor Hake English 1a 11/8/2012 A Night with Hoodie On the night of November 5th‚ one of my favorite rising hip hop stars‚ Hoodie Allen came to the Sacramento State campus. When I first heard of the concert I thought to myself‚ Hoodie is pretty famous why would he be performing at Sacramento State? Of course I had to see him‚ so I reached out to a bunch of my friends from my hometown to come with me on that fine night and I’ll tell you it was worth the ten dollar
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Started From the Top Just like many other rappers‚ Aubrey “Drake” Graham raps about how tough his life is/was and how he went from having nothing to having anything he wanted. However many people claim that these rappers rap about a life that they have never truly lived and that they try to create a public image that is fake which portrays them as a thug when they truly are not. In the articles‚ “Faux Americana: Why I Still Love Bruce Springsteen”‚ by Stephen Metcalf and “More Rock‚ Less Talk:
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