Title: Finding the Ratio of Mole of Reactants in a Chemical Reaction Purpose of Lab: To find the coefficients of two chemical reactants that appears in a balanced chemical equation using the continuous variations method. Pre Lab Questions: 1. 2AgNO3(aq) + K2CrO4(aq) → 2KNO3(aq) + Ag2CrO4(s) 2. There is enough to make a valid conclusion because‚ on the graph‚ one can clearly see that the two lines intersect. Thus‚ one can also determine the mole ratio. The mole ratio is approximately
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Ermina Dedic Legal Brief 1 Name of Case: Dow Chemical Co. v United States. Court: U.S. Supreme Court Citation: 476 U.S. 227 (1986) Parties and their roles: Dow Chemical (Plaintiffs/Petitioner) and United States (Defendants/ Respondents) Facts: Dow Chemical operates a two-thousand-acre chemical plant at Midland‚ Michigan. The facility‚ with numerous buildings‚ conduits‚ and pipes‚ are visible from the air. Dow has maintained ground security at the
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Does concentration affect the speed of chemical reactions? Problem: We are proving that “concentration” (the amount of reactants) is one of the things that can affect the speed of chemical reactions. We are also finding a way to keep the lid on the film canister for the longest period of time. We are using vinegar and water as reactants and changing the concentration every time to see the difference between the rates of reactions speed. Materials: - 1 graduated cylinder - 1 film canister
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Determine Value of R Lab 3 Report must be typed and submitted to Turn it in by Wednesday Sept 24th 11:59pm. Title +1 Purpose +1 Procedure +2 Data Table +4x Balanced Chemical Equation +2 Calculations Calculate R for each trial and then average. +5 Calculate % error +2 Type and Answer Discussion Questions +8 Additional Questions for Calculating the R Lab 1. One mole of hydrogen gas has a mass of 2.02 g. Use your value of molar volume to calculate the mass of one Liter of
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CHEMICAL KINETICS 1Y.S. MATBA 1Department of Materials‚ Mining‚ and Metallurgical Engineering‚ College of Engineering Date Performed: December 3‚ 2013 Date Submitted: December 09‚
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specific facet of war that could be considered most detrimental chemical warfare. "Chemical warfare is warfare (and associated military operations) using the toxic properties of chemical substances to kill‚ injure or incapacitate the enemy" (Chemical Warfare). But not only does it leave its mark on society and the people of the world‚ chemical warfare can destroy the unique qualities of nature as well. The practice of chemical warfare dates back to 1000 B.C and is still used today (Smart).
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annasdass arokiasamy ID : 1206875 Group Members : Chan Pei Qie‚Chong Ven Yen Name : Ryan annasdass arokiasamy ID : 1206875 Group Members : Chan Pei Qie‚Chong Ven Yen experiment 19 kinetics : the study of a chemical reaction experiment 19 kinetics : the study of a chemical reaction Results Part A [I-] / mol dm-3 | [S2O82-] / mol dm-3 | [S2O32-] / mol dm-3 | Time /s | Rate of I2 formation / mol dm-3 s-1 | 0.2 | 0.2 | 0.01 | 1.25 | 0.1600 | 0.2 | 0.15 | 0.01 | 13.37 | 0.0150 |
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04.05 Chemical Reactions: Combustion: Lab Worksheet and Rubric Before You Begin: You may either copy and paste this document into a word processing program of your choice or print this page. Procedure: 1. Iron (III) and copper (II) sulfate solution 2. Fill a small test tube halfway with copper (II) sulfate solution. Add a 2.0 gram iron rod to the solution and observe the reaction. 3. 4. 5. Lead (II) nitrate and potassium iodide solutions 6. Pour about 2.0 mL of lead (II) nitrate into the test tube
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“Pittsburgh Sheep” we measured the temperature of the 10 milliliters of Solution 2. Then we dropped a ball of steel wool into the test tube and measured the temperature again. We stored the test tubes on the test tube rack to observe the next day. A chemical reaction did occur in the lab. There were a color change and an odor change that was observed on Day 2 of the lab. On Day 1‚ the liquid was clear and the smell was very strong. On Day 2 of the lab‚ most of the liquid was gone but the color was a
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Chemical Reactions Lab Introduction Four different types of chemical reactions were observed in this lab. Synthesis reactions occur when two different elements or compounds form a more complex compound as shown by equation (1). Single replacement occurs when one element replaces another to form a new compound as shown in equation (2). Double replacement occurs when two different atoms in different compounds trade places with one another to form two new compounds as shown in equation (3).Combustion
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