Interactions BigIdea 4 investigation 13 ENZYME ACTIVITY* How do abiotic or biotic factors influence the rates of enzymatic reactions? ■■BACKGROUND Enzymes speed up chemical reactions by lowering activation energy (that is‚ the energy needed for a reaction to begin). In every chemical reaction‚ the starting materials (the substrate(s) in the case of enzymes) can take many different paths to forming products. For each path‚ there is an intermediate or transitional product between reactants and
Premium Enzyme
ical Chemistry 1.which of the following pairs of compound will react? iC3H6+Br2 iiC3H6+Cl2 in sunlight iiiC3H6+H2O in the presence of sulphuric acid ivC3H6+H2O in the presence of concentrated sulphuric acid a.i b.i‚iii c.i‚ii‚iii d.all 2.liqiud y reacts with magnesium metal to produce a gas that burns with a pop sound when a flaming wooden splint is placed near it.liqiud y is most likely a compound that has the formula a.c2h5oh b.hcooh c.h3cooch3 d.c6h14 3.a compound p has the
Premium Oxygen Chlorine Hydrogen
Division of City Schools Manila‚ Philippines Victorino Mapa High School Amount of Hydrogen Peroxide Concentration to be applied in the Materials used in In-Office Bleaching Technique and Walking Bleach Technique Harvey D. Abdosan IV-OBB (Researcher) Ms. Luzviminda A. Dinglasan (Research Adviser) Introduction One of the problems of Filipino today is the yellowish teeth they have. Some of them are afraid to smile because they are ashamed of their teeth. Now is there any process that can
Premium Hydrogen peroxide Sodium perborate
experiment used two pieces of fish‚ one whole and one ground up‚ which were then covered in hydrogen peroxide. This method allowed us to observe the catalase in ground up fish break down the hydrogen peroxide at a quicker rate than in the piece of fish left intact. This was determined by observing a larger formation of bubbles‚ the visual indicator of hydrogen peroxide being broken down into a non-toxic form of hydrogen and water. This study allowed us to observe first hand catalase can perform further
Premium Catalase Chemical reaction Hydrogen peroxide
living tissues‚ represented by the pieces of liver. Also‚ hydrogen peroxide was used to demonstrate these effects. Storyboard: Materials: 2 50 mL beakers 10 mL graduated cylinder 3% hydrogen peroxide solution Hot water bath Lemon juice or HCl Fresh liver Forceps Procedure: Measure 10 mL of hydrogen peroxide and record its temperature. Pick the liver up with the forceps and add it to the hydrogen peroxide‚ record the temperature once more. Record the reaction
Premium Water Hydrogen peroxide Chemical reaction
Chemical Engineering Science 54 (1999) 3967}3976 Uncatalysed oxidation of cyclohexene S.M. Mahajani‚ M.M. Sharma‚ T. Sridhar* Department of Chemical Engineering‚ Monash University‚ Clayton‚ Victoria 3168‚ Australia Received 13 October 1998; received in revised form 22 December 1998; accepted 23 December 1998 Abstract The oxidation products of cyclohexene "nd several applications as intermediates for the manufacture of useful chemicals like cyclohexanol‚ cyclohexenol/cyclohexenone‚ cyclohexadiene
Premium Reaction rate Chemical reaction Chemical kinetics
Hydrogen Peroxide in the Presence of Yeast Abstract A number of different variables‚ such as the concentration of the hydrogen peroxide solution or the temperature at which the reaction occurs‚ can affect the rate at which yeast breaks down hydrogen peroxide. To prove this we first tested the solution with 3% concentration of peroxide‚ the paper that was soaked in yeast rose in 1.7 seconds. After that we changed our concentration to 2.25%‚ 1.5%‚ and .75% of hydrogen peroxide to see the effects
Premium Hydrogen peroxide Oxygen Gas
One molecule of catalase can convert 40 million molecules of hydrogen peroxide to water and oxygen. Hydrogen peroxide is a harmful product of normal processes to prevent damage to cells and tissue so it must be converted into less hazardous substances. Hydrogen peroxide is said to denature cells meaning to kill cells. Temperature can affect the rate of enzyme reaction‚ according to the laws of thermodynamics. As
Premium Scientific method Chemistry
Ozone and Hydrogen Peroxide 3. Chapter 3 Therapeutic Use of Hydrogen Peroxide: A Brief
Premium Medicine
MATERIALS 1.- Graduated cylinder 2.- Hydrogen peroxide 3.- Dish detergent 4.-Food coloring 5.-Potassium iodide 6.-Safety Glasses 7.- Lab smock PROCEDURE 1.-Put on your safety glasses and lab smock for your own safety. 2.-Pour the hydrogen peroxide into the graduated cylinder. 3.- Add 5 drops of food coloring to the hydrogen peroxide. 4.-Add the dish detergent to the peroxide in the cylinder. 5.- Then you pour the potassium iodide to the mixture and quicky back off. o you don’t want
Premium Laboratory glassware Water Laboratory equipment