Reaction rate Essays

  • Rate Of Reaction

    1035 Words  | 5 Pages

    affects the rate of reaction Research Question: Does increasing or decreasing the temperature of hydrochloric acid affect the rate of reaction with magnesium? Introduction: The four factors that affect the rate of reaction; surface area, catalysts, temperature and concentration. In this case, it would be the temperature (Rate of Reaction of Magnesium with Hydrochloric Acid). According to the chemistry textbook, Chemistry higher tier, by increasing the temperature the rate of reaction increases

  • Rate Of Reaction Lab

    1951 Words  | 8 Pages

    Rate of Reaction Lab Aim: To conduct a lab that investigates how different concentrations of hydrochloric acid (HCL) have an effect on the rate of reaction when mixed with Calcium Carbonate Chips (CaCO3) to produce carbon dioxide (CO2). Hypothesis: The higher the concentration of hydrochloric acid, the less time it will take for the reaction to occur. This links back to the collision theory which states that if a system has more collisions, there will be a greater number of molecules bouncing

  • Rate Of Reaction Experiment

    1322 Words  | 6 Pages

    Rate of Reaction Experiment Rate of reaction is a term used to measure the time or speed that the reaction occurs in. A rate of reaction can be effected by different factors, such as the concentration, temperature, whether or not a catalyst is involved, the state that the reactants were in at the time of the experiment and the amount of pressure that was involved in the experiment. If the concentration, temperature and the amount of pressure involved were higher than the rate of reaction would be

  • Rate Of Reaction Investigation

    1476 Words  | 6 Pages

    An Experiment into the Effect of Concentration on Rate of Reaction Introduction: A chemical reaction is when two or more substance called reactants are chemically bonded to form a new product, as a result of the process, for a reaction to take place, the particles must have enough kinetic energy to collide and form new bonds , this is called a successful collision. The minimum amount of energy needed for a successful collision is activation energy. The activation energy is able to loosen particles

  • Rates Of Reaction Lab Report

    1320 Words  | 6 Pages

    Rates of Reaction Lab Design What is the effect of surface area on rates of reaction, when magnesium is combined with hydrochloric acid to create hydrogen? Chemical reactions are when bonds between atoms form new molecules. They occur when two or more molecules interact with each other. Substances that react together are reactants, and the ones formed in the reaction are called the products. In the making of new molecules, no atoms are damaged. The overall mass of the reactants end up being the

  • Rate Of Reaction Lab Report Essay

    837 Words  | 4 Pages

    hydrochloric acid as a case study to measure the rate of chemical reaction. This gives us the equation CaCO3 + 2HCl  H2O + CaCl2 + CO2 Background Information: Several factors are already known which increase (or decrease) the rate of reaction. An increase in concentration of the acid allows for a greater number of hydrochloric acid molecules colliding into those of calcium carbonate. Although not every single particle would result in a successful reaction, increasing the number of particles will increase

  • Rate Of Reaction Lab Report

    946 Words  | 4 Pages

    peroxide and sodium thiosulphate on the rate of reaction between potassium iodide (KI), hydrogen peroxide, Sodium thiosulfate (Na2S2O4) under acidic condition. Introduction: The rate of reaction can be defined as the rate at which the reactants are consumed of the rate at which product is formed. It is the ratio of the concertation of reactant used of concentration product to time, it measured in mol.dm-3.S-1. This can be expressed as Rate of reaction = - (∆[reactant])/∆time = (∆[product])/∆time

  • Enzyme Rate Of Reaction Lab Report

    1379 Words  | 6 Pages

    Liver’s Enzyme Rate of Reaction What is the effect of pH levels with variations of 1.0, 2.0, 5.0, 7.0, 9.0 (±0.5) on the effect of rate reaction measured by volumetric amount in mL (±2.5) when time (180 seconds), temperature (23ºC) and substrate concentration (1g of 100%liver (±0.01)) are kept constant? This experiment was successfully conducted by placing the pieces on liver inside several flasks holding different pH levels and measuring the amount of oxygen released by the reaction by collecting

  • 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

  • 4 Factors That Affect The Rate Of Reaction

    908 Words  | 4 Pages

    Transition Work Reaction Rates – Let’s Go Faster The rate of reaction can be calculated using the formula: rate of reaction= (amount of reactant used or amount of product formed)/time → The steeper the slope created the faster the reaction, a steep slope occurs when the amount of reactant used/amount of product formed is large and the time over which this occurs is small. Factors that affect rate of reaction There are 4 distinct factors that each affect the rate of reaction: → Temperature:

  • Reaction Rate Law Lab Report

    800 Words  | 4 Pages

    determine the rate law in each reaction and find the reaction rate, an experiment was conducted with acetone, acid, iodine, and water. By using different concentrations of each substance, a number of 4 times, the rate was giving of each reaction and recorded the times it took to react. Based off the results from the first four reactions, further data was collect with a fifth reaction. Using 15mL of acetone, 10mL of hydrochloric acid, 5mL of iodine, and 20mL of water, we got a rate of 8.77× 10-7.

  • Second Order Reaction Rate Constant Of Ibuprofen With Atrazine Lab Report

    1141 Words  | 5 Pages

    order reaction rate constant of Acesulfame K with the different transient species studied, two pairs of independent competition kinetics were established for each transient: Acesulfame K with Ibuprofen and Acesulfame K with Atrazine. Assuming the first pair of competition for the hydroxyl radical generated by NaNO3 irradiation is Acesulfame and Ibuprofen (ACE, IBP). Their respective reaction rates are (M s-1): (Eq. 6) (Eq. 7) With k and k’ the second order reaction rates of Ace

  • Potato Osmosis Lab

    1607 Words  | 7 Pages

    Osmosis in potatoes Aim of the laboratory: The aim of this lab is to analyse the effect that the concentration change of sucrose has on the potatoes' osmosis rate. This can be investigated by using potatoes of the same shape, size and length that are placed in different beakers with different concentrations of sucrose. The potatoes must be weighed prior to as well as posterior to the placement in the beakers to measure the difference of the size, length, and eventually shape of the potato subsequent

  • Pros And Cons Of Chemical Products

    849 Words  | 4 Pages

    The 20th century brought an explosion of new chemical products for consumers. Chemicals bring about benefits upon which modern society is entirely dependent. From 1 million tons in 1930 to several hundreds of million tons today, the global production of chemicals has a significant increase. The chemical industry continuously converts raw materials, such as oil, natural gas, air, water, metals, and minerals into thousands of different products. Chemical products are used at work or even at home every

  • Iodine Lab Report

    731 Words  | 3 Pages

    • Iodine Solution Weigh 7.7g of potassium iodide into a 50cm3 beaker. Use distilled water to help the iodide dissolve. Swirl for a few minutes until the iodide has completely dissolved. Using a funnel to help, pour the potassium iodide into a 500cm3 volumetric flask, make sure all traces of the solution is in the volumetric flask. Using distilled water would be a good method in order to rinse the beaker. Make the solution up to the 500cm3 mark with iodine (1% concentration) • Starch Indicator Solution

  • Exploring Reaction Rates Lab Report

    1559 Words  | 7 Pages

    Title: Exploring Reaction Rates Authors: Lauren Parker*, Serah Wiedenhoefer (* - Primary Author) Introduction: Pollution is a crucial issue that many scientists continue to have trouble understanding. While there is a basic understanding of polluting events such as smog and ozone emissions, little is known about the details of how these incidents occur. However, researchers have recently made a breakthrough in comprehending the origins of these events as well as what type of factors influence

  • Alka Seltzer Reaction Lab

    2605 Words  | 11 Pages

    test; how will water temperature affect the rate of reaction of an alka-seltzer tablet? The dependent variable of the experiment is the dissolving time. When an alka-seltzer tablet starts to fizz it begins to dissolve, due to the citric acid and sodium bicarbonate the tablet contains (Clark, “Why does Alka-Seltzer fizz?). When the tablet is in solid form, the two ingredients are not yet mixed together, but by dropping the tablet in water, a chemical reaction is catalyzed between them, creating a fizzing

  • Baking Soda And Vinegar Lab Report

    1613 Words  | 7 Pages

    affect the volume of gas produced? The rate of reaction is the increase or decrease time taken at which the products are formed or concentration increase or decrease between a reaction of two or more substances. In the reaction, new bonds are formed whilst others have been broken. When a solute acts on a solvent a chemical reaction takes place. Here we will be using baking soda and vinegar which are our two components which will cause a chemical reaction. Reactions can be affected by several things such

  • Horseradish Peroxidase Lab Report

    1090 Words  | 5 Pages

    ABSTRACT To catalyze a reaction, an enzyme will grab on (bind) to one or more reactant molecules. In this experiment we examined how increasing the volume of the extract added to the reaction would affect the rate of the reaction. The enzyme used was horseradish peroxidase which helps catalyze hydrogen peroxide. Using different pH levels, the absorbance rate of the reaction was measured to see at which condition the enzyme worked best. The rates of absorption were calculated using a spectrophotometer

  • The Importance Of Enzyme Kinetics

    1522 Words  | 7 Pages

    • Enzyme Kinetics Enzyme kinetics Introduction It is the study of those reactions that are moderated by enzymes. In enzyme kinetics, the rate of reaction is measured and the effects of different conditions of the reaction are found out. Enzymes are protein in nature that moderate other molecules — the enzymes ' molecules . These target molecules bind to an enzyme 's activity site and are transformed into completed products through a series of steps known as enzymatic mechanism. These mechanisms