is often an energy that is deposited from the reaction. Decomposition Reactions: Decomposition reactions occur when one compound decomposes into two separate elements/compounds. The general equation of decomposition reactions is: AB→A+B. The following are the complete balanced equations for the two decomposition reactions performed in the lab. Reaction 6: Reaction 7: The decomposition of hydrogen peroxide is an example of decomposition. In the lab‚ this was tested when we added hydrogen peroxide
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aboveground production and litter decomposition are thought to positively covary‚ because they are driven by shared biotic and climatic factors. Until now we have been unable to test whether production and decomposition are generally coupled across climatically dissimilar regions‚ because we lacked replicated data collected within a single vegetation type across multiple regions‚ obfuscating the drivers and generality of the association between production and decomposition. Furthermore‚ our understanding
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In our ecocolumn many changes occurred over the several week course we were observing and collecting data on the three chambers. Aquatic and Decomposition quickly turned septic while terrestrial experienced plant growth. Overall the health of the ecosystem was very poor due to the severe changes in the aquatic chamber. Terrestrial In the Terrestrial camber of our ecocolumn‚ several changes happened over time. The clover seeds planted at the beginning had a rapid growth rate. At one point our chamber
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Chapter 4 — Intro—1 1 CHAPTER 3 Topic Scopes: Stoichiometry and Solution Concentration • Molarity‚ molality‚ parts per million & percentage (w/w‚ w/v and v/v) • Stoichiometry calculation • Limiting reactant • Theoretical yield‚ actual yield and percentage yield 1 2 Mole Concept No. of Moles = Molarity (M) • Molarity (molar concentration) is the number of moles of a solute that is contained in 1 liter of solution Mass (g) molar mass (g/mol) No. of Moles = Molarity (mol/L) volume (L) Molarity
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Enzymes are catalysts that are used to speed up chemical reactions. Adding inorganic catalysts to reactants increase the rate of most chemical reactions. However‚ all enzymes are different and there are numerous amounts. Many enzymes are essential for life and reactions would not happen rapidly to maintain life with the help of enzymes. Specific enzymes lower the activation energy for specific reactions and shapes. Activation energy is required to start a chemical reaction. This occurs when energy
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15) ____ CO2 + ____ H2O ____ C6H12O6 + ____O2 16) ____ K + ____ MgBr ____ KBr + ____ Mg 17) ____ HCl + ____ CaCO3 ____ CaCl2 + ____H2O + ____ CO2 18) ____ HNO3 + ____ NaHCO3 ____ NaNO3 + ____ H2O + ____ CO2 19) ____ H2O + ____ O2 ____ H2O2 20) ____ NaBr + ____ CaF2 ____ NaF + ____ CaBr2 21) ____ H2SO4 + ____ NaNO2 ____ HNO2 +
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1) Blood agar plate . 2) Mannitol Salt agar (MSA) plate. 3) DNase agar plate . 4) Novobiocin disc . 5) Inoculating loop. 6) flame ( Bunsen burner) . 7) 1N hydrochloric acid (HCl) . 8) Two slides . 9) Plasma tube. 10) 3% Hydrogen Peroxide (H2O2) . 11) One unknown plate . 12) Crystal violet. 13) Gram’s iodine . 14) Safranin. 15) Alcohol . ** Methods : An unknown labeled with number 8 was given out by the lab instructor. The goal at this point was to determine unknown gram positive
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Chemical Reactions and Equations Chemical Reaction: The transformation of chemical substance into another chemical substance is known as Chemical Reaction. For example: rusting of iron‚ setting of milk into curd‚ digestion of food‚ respiration‚ etc. In chemical reaction new substance is formed which is completely different in properties from the original substance‚ so in a chemical reaction chemical change takes place. Following are the signs of chemical reaction: (a) Change of state of substance
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The goal for this experiment is to determine which out of the four balanced chemical equations best represent the thermal decomposition of sodium bicarbonate. The guiding question will be answered with the outcome of the sodium bicarbonates thermal decomposition and it being plugged in into the four balanced chemical equations. John Dalton atomic theory explains two fundamental laws of chemistry which are the law of conservation of mass and the law of definite proportions. The atomic theory states
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the buffer by 1 mL‚ keeping the total volume at 6ml. Do this until you reach 6mL of substrate and 0mL of buffer. (See data table) Compare reaction rates using the different slopes from the varying concentrations. RESULTS DATA TABLE Substrate (H2O2) Buffer (H2O) Enzyme Catalyst (Peroxidase) Reaction Rate (Slope) 6ml 0ml 2 drops 0.663 kPa/s 5ml 1ml 2
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