He a lt h 0 3 2 3 Fire 0 Re a c t iv it y 2 P e rs o n a l P ro t e c t io n Material Safety Data Sheet Sulfuric acid MSDS Section 1: Chemical Product and Company Identification Product Name: Sulfuric acid Contact Information: Catalog Codes: SLS2539‚ SLS1741‚ SLS3166‚ SLS2371‚ SLS3793 CAS#: 7664-93-9 Sciencelab.com‚ Inc. 14025 Smith Rd. Houston‚ Texas 77396 RTECS: WS5600000 US Sales: 1-800-901-7247 International Sales: 1-281-441-4400 TSCA: TSCA
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Factors Affecting Rates of Reaction Thanks to Michelle Craig Manitoba Curriculum Chemistry Grade 12; Kinetics‚ Topic 3-08 Objectives To design short experiments to investigate and explain qualitatively using collision theory the relationship between reaction rate and temperature‚ concentration‚ catalyst‚ and surface area. Apparatus and Materials Available 3 x 250 mL beakers magnesium ribbon (1 cm) 3 x test tubes magnesium powder test tube rack mossy zinc 10 mL graduated
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The Law of Conservation states that mass can neither be created or destroyed. There are two types of changes that can happen‚ a physical change is when the reaction can be reversed and all reactants are separated. A chemical change is when the reaction changes the reactants and creates a brand new substances that can’t be reversed. Antoine Lavoisier had the main contribution to The Law of Conservation. He wrote a textbook in 1789 on chemistry in it he introduced the Law of Conservation. He founded
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The purpose of this lab was to use a calorimeter to learn when energy is being released or absorbed in a chemical reaction. My lab partner and I had to determine the heat exchanged when solid magnesium hydroxide is mixed with solid citric acid‚ using a coffee cup calorimeter. Given that citric acid is soluble in water is the property that makes this reaction possible. The first law of thermodynamics and Hess’s law are also present within this experiment. Knowing the difference between endothermic
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Chemistry Lab Report (Design) Factors affecting Rates of a Reaction (Kinetics) KINETICS DESIGN LAB Research Question: Does the concentration of Potassium Iodide (KI) affect the rate of its reaction with hydrogen peroxide (H2O2) (of a fixed concentration)? Introduction: There are several factors that affect the rate of a reaction. Some of them being Pressure (if the reactants are Gases)‚ Temperature‚ Presence of a Catalyst‚ Surface Area of the reactant‚ and Concentration. According to
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Reactions in Aqueous Solutions: Metathesis Reactions and Net Ionic Equations Introduction: Metathesis or double decomposition reactions are a reaction in which two compounds react to form two new compounds‚ with no changes in oxidation number. The ions of two compounds exchange partners. AX + BY AY + BX This reaction can occur between two inorganic salts when one product is insoluble in water‚ driving the reaction forward. A typical example is as followed and is considered a molecular equation
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Discussion The purpose of the Density Lab was to determine the identity of four unknown solids and two unknown liquids by calculating their densities and comparing them to a density chart‚ taking into account error analysis and finally classifying the substances. In order to calculate this density‚ we first found the mass of the container that was to be holding the substances. We then found the volume of the substance‚ and lastly determined the mass of the container and substance. We subtracted
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Title: Surface Area vs. Rate of Reaction Research question: How can different temperatures affect the rate of reaction‚ when the reactant is in powder form? Hypothesis: If the temperature of the water is increased‚ the rate of reaction will also increase as the heat given off to the particles will increase leading to more movement and frequent collisions. Background information: Chemical reactions occur when two or more molecules interact with each other‚ but that can only occur when they
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Chemistry Chapter 4 The Candle Lab | | ------------------------------------------------- Before You Start – ------------------------------------------------- The scientific process is a systematic way of explaining how events are related to each other in the natural world. Careful observations are the first step in this process. An observation is a fact obtained with the senses. ------------------------------------------------- You might think that a burning candle is pretty simple. But
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1. Determine the order of the reaction A --> 2B + C from the following data obtained for [A] as a function of time. time | [A] | 0 min | 0.80 M | 8 mins | 0.60 M | 24 mins | 0.35 M | 40 mins | 0.20 M | ------------------------------------------------- Use diferential and half life. 2. Balance the equation below and determine the rate expression using the given data. Find k with units. N2 + H2 ---> NH3 (all gaseous) [N2] (mole/L) | [H2] (mole/L) | Initial Rate (mole/L /min)
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