Chemical reaction Essays

  • Chemical Reaction Essay

    856 Words  | 4 Pages

    types of chemical reactions:synthesis reaction, decomposition reaction, single replacement reaction, double replacement, and combustion reactions. In modern day technology uses these reactions to produce a product or make products function. Single Replacement is a chemical reaction which occurs when one reactant switches for one ion of another reactant. Example 1: AB+C yields to AC+B In words, it is a reaction in which one element is substituted for another element in a compound. The reactions starts

  • Copper Chemical Reaction

    756 Words  | 4 Pages

    and followed by a reversible chemical reaction. The formal potential, E0=0.078V, the number of electron transferred, n=1.0, and the equilibrium constant of the following chemical reaction, K=0.107 (0.005), were determined. In water-acetone mixed solution, [Cu(II)(phen)2]2+ reduced to [Cu(I)(phen)2]+ with maximum absorption at 435 nm. Keywords: CV-thin layer spectroelectrochemistry; copper-1,10-phenanthroline complex 1. INTRODUCTION Copper,

  • Chemical Reaction Lab

    755 Words  | 4 Pages

    Experiment 3-Enthalpy of Chemical Reaction Dana Lucas Robin Brown TA: Chris February 19, 2018 Introduction The purpose of this experiment was to calculate the change in enthalpy of 2 reactions using Hess’ Law by using a coffee calorimeter to measure the temperature changes in the sub reactions for MgO and a neutralization reaction. Germain Hess published this law in 1840, which described the first law of thermodynamics. In Hess’ Law, “the enthalpy change in a chemical reaction is independent of any

  • Speed Of Chemical Reaction Lab Report

    993 Words  | 4 Pages

    Environmental Factors’ Effect on the Speed of Chemical Reactions Hypothesis: pH 8 solution will produce more oxygen during the chemical reaction than pH 3 because pH 8 is more basic and therefore would not denature the enzyme. Background information: The main function of all enzyme proteins is to act as a catalyst, speed up the chemical reaction and provide a place for it. The enzymes interact with specific

  • Chemical Reaction Experiment

    864 Words  | 4 Pages

    By definition, a chemical reaction is a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Chemical reactions can be used to do many daily tasks such as cooking and bodily functions. The reaction rate is the speed at which reactants are converted into products. In the lab done, the purpose was to look at the various ways a reaction rate can be changed. Multiple factors could create different rates at which the reactant will become

  • Disadvantages Of A Chemical Reaction

    1384 Words  | 6 Pages

    A chemical reaction is the reaction of two or more elements that results in the formation of a chemical bond between the atoms of these elements and accordingly, the formation of a new chemical compound, also known as the product. A catalyst and its role in a chemical reaction: Occasionally, we need to alter the rate of a reaction. This might sometimes be feasible only if we use higher temperatures or pressures than normal, which may sometimes be impractical or very expensive. Another way of speeding

  • Explain The Collision Theory Of Chemical Reaction

    1663 Words  | 7 Pages

    several chemical entities like atoms(O2,Cl2,N2), molecules(NO2,CO3) and ions() which undergo chemical reaction. Why this chemical reaction occurs and what mechanistic and energetic aspect are involved in it are explained by a theory named the collision theory of chemical reactions. It was developed by British scientist William Lewis and German chemist Max Trautz in around 1916-1918. The collision theory is somewhat based on kinetic theory of gases. THE THEORY The collision theory of chemical reaction

  • Lab Report On Rates Of Chemical Reaction

    1645 Words  | 7 Pages

    Lab Report Experiment 6 Rates of Chemical Reactions By Nikhola Mirashirova Lab Partner: Dina Abetova Section 3, Saturday October 31, 2015 Introduction Rate reaction is the measure of the change in concentration of the reactants or the change in concentration of the products per unit time.1,2 Rate law for this experiment: Rate = k(I-)m(BrO3-)n(H+)p There are several factors which affect the rate of reaction: catalyst, reactant concentration, and temperature.1,2

  • Finding Mole Ratios Of Reactants In A Chemical Reaction Lab Summary

    775 Words  | 4 Pages

    Shayna Salloway AP Chemistry A Snyder 11 September 2014 Title: Finding Mole Ratios of Reactants in a Chemical Reaction Purpose: Experiment using the method of continuous variations to figure out mole ratios of reactants. Procedure: 1. Take the NaClO and the sodium thiosulfate solutions and measure the temperature of each solution. Record in the data table. 2. Mix a combination of the NaClO and the thiosulfate solution equal to 50 ml in a Styrofoam cup, stir with thermometer, and record temperature

  • The Effects Of Chemical Reaction

    841 Words  | 4 Pages

    Thousands of chemical reactions occur in every day life, at different rates and different times. Whether it be washing the dishes after dinner or brushing your teeth in the morning, they all have one thing in common; a chemical process in which reactants act mutually on each other to form a new substance. Rate of reaction is the term used to describe how quickly reactants turn into products. According to collision theory, proposed by Max Trautz and further added to by William Lewis in 1918, for

  • Chemical Reaction Lab Report

    1035 Words  | 5 Pages

    1. The topic I’m doing my experiment on is chemical reactions. In my experiment I will mix baking soda and vinegar in a closed plastic bottle. I hypothesize that when the baking soda and vinegar mix gas will form and start filling up the bottle eventually leading to a small explosion. The dependent variable is the product of the chemical reaction and the formation of gas filling up the bottle eventually causing an explosion. The independent variable is the baking soda and vinegar react. My control

  • The Pros And Cons Of Chemical Reactions

    1058 Words  | 5 Pages

    Chemists perform chemical reactions as a way to change one chemical, or substance, into another. Chemical reactions are constantly happening all around you, and inside of you. As just one example, if you leave your bike out in the rain, you might have seen that the shiny metal turns reddish-brown. This happens because a chemical reaction has turned the metal into rust (specifically, the iron in the metal is reacting with the oxygen in the air or water). Sometimes, chemical reactions form more than

  • Benzaldeyde Lab Report

    864 Words  | 4 Pages

    Week 1 a simple condensation reaction between benzaldeyde and hydroxylamine produced the product benzaldehyde oxime that was found to be in oil. The percentage yield of the experiment is 64%. The 36% loss can be due to the solution needing to be neutralised with glacial acid, there was no way to tell if the reaction was neutralised, to help increase yield the use of pH indictor paper to indicate whether the reaction was neutralised. As by using a rotary evaporator to remove the organic solvent may

  • How Does Temperature Affect Enzyme Activity

    1333 Words  | 6 Pages

    they instantly form a reaction. This reaction is the chemical distillation of enzymes. The reaction is enzymes breaking down and turning into bubbles. How does temperature affect enzyme activity? Potatoes have enzymes in them. Enzymes are catalysts, which means they speed up chemical reaction. This chemical reaction produces oxygen gas. In hot substances, the enzyme reaction speeds up. In cold substances, the reaction takes a long time, or will never create a chemical reaction Does boiling a potato

  • Reaction Paper On Catalase

    762 Words  | 4 Pages

    protein based catalysts for biochemical reactions, which are essential to all living this to sustain life. Enzymes itself are not alive as they are proteins, however they are still made by living things and act as a catalyst to speed up the overall chemical reaction, asmost chemical reactions in biological cells would occur too slowly if it was not for these enzymes. Despite them making chemical reactions move quicker, they are not changed by the reaction. b. Optimal Enzyme Temperature There is a

  • Enzymatic Browning Lab Report

    1137 Words  | 5 Pages

    Objectives: 1. To understand the Maillard reaction. 2. To use simple model system to study factors that affect the rate of the Maillard reaction Introduction: Browning is the process of becoming brown which normally referring to food. Browning has an important economic cost, causing deterioration of the value of product in the market of food. There are two type of browning reaction, one is enzyme-catalyzed and another one is non-enzymatic. Enzymatic browning is a chemical process, involving polyphenol oxidase

  • Styrene Lab Report

    1444 Words  | 6 Pages

    CHAPTER 1 1.1 Chemical reactions with descriptions of starting raw materials Ethylbenzene will undergo catalytic dehydrogenation to produce styrene. The dehydrogenation reaction of ethylbenzene is an endothermic and reversible reaction. The optimum temperature for the reaction to occur is 590℃ to 650℃ and pressure of 200 mmHg or slightly above atmospheric pressure (Meyers, 2004). The required catalyst is potassium-promoted iron oxide in the presence of steam. The dehydrogenation process can be

  • Advantages And Disadvantages Of Cyclohexanedimethanol

    842 Words  | 4 Pages

    primary hydroxyl functionalities provide excellent reactivity during both the esterification process and the subsequent crosslinking reaction. Although the cyclohexyl ring is completely saturated, the presence of labile beta

  • How Does Temperature Affect The Temperature Of Hydrogen Peroxide

    1776 Words  | 8 Pages

    the speed of the chemical reaction that occurs by the catalase enzyme within hydrogen peroxide? If the temperature of the hydrogen peroxide is increased to 40° or more the catalase enzymes reaction speed (time it will take for the filter paper to float to the hydrogen peroxides surface in the test tube) will drastically decrease and ultimately the enzyme will become less effective. Independent. The temperature of the hydrogen peroxide. Dependent. Speed ( in seconds) or the reaction rate of the Catalase

  • How Does Temperature Affect Yeast Fermentation

    1859 Words  | 8 Pages

    rate of chemical reactions is affected by temperature. If the yeast has been exposed to its optimum temperature (66.667 degrees Celsius) then it will give off the highest carbon dioxide production. As the temperature gets higher, the yeast will produce more carbon dioxide, until at some point carbon dioxide production will decrease, that is when the yeast cells have become denatured due to the increase in temperature. Chemical reactions