• Anythings
    Report 1. Write the net ionic equation for the reaction between hydrochloric acid and aqueous sodium hydroxide, then calculate the heat of neutralization (ΔHneut) for the reaction using the standard enthalpies of formation ( ΔH ° ) in the Appendix of the textbook for each reactant and product...
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  • Heats of Reaction Lab Report
    called endothermic. Materials: spatula sodium hydroxide pellets (NaOH) 1 Styrofoam cup 1.0 M sodium hydroxide (NaOH) 1 100-mL graduated cylinder 0.5M Hydrochloric acid (HCl) 1 400-mL beaker 1.0 M hydrochloric acid (HCl) 1 50-mL beaker distilled water thermometer centigram...
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  • Calorimetry Lab Report
    chemical reaction and enthalpy change for Part II (1pt) c. Calculate the enthalpy change using Hess's Law. Refer to the lesson for an example of Hess's Law. (2pt) 2. If the accepted enthalpy change value for the dissolving of sodium hydroxide in water is −44.2 kilojoules per mole, determine the...
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  • pride and prejudice
    change value for the dissolving of sodium hydroxide in water is −44.2 kilojoules per mole, determine the percent error of the experimental value that you calculated in Part I. Show your work. If the accepted heat of reaction for the neutralization of hydrochloric acid with sodium hydroxide is −56.0...
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  • Determination of Enthalpy
    data in your text (or another approved resource) to calculate the molar enthalpy of the reactions. Reaction 1: An aqueous solution of sodium hydroxide reacts with an aqueous solution of hydrochloric acid, yielding water. Reaction 2: An aqueous solution of sodium hydroxide reacts with an aqueous...
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  • Heat of Neutralization
    that was collected. In part B of the lab I determined the heat of neutralization for hydrochloric acid and sodium hydroxide. I did this by first putting 50.0 mL of 1.0 M NaOH into the dry calorimeter and placing the lid on the calorimeter, but I did not measure the temperature of the base yet. I then...
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  • Physical Chem
    catalyst; the catalyst acts in the same phase as the reactants. Ions are present in the reaction solution but do not interfere with the reaction or the overall energy change of the reaction. In order to determine the amount of acetic acid present, titrations using sodium hydroxide as the titrant are...
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  • Applied Science a Level
    wire Hydrochloric acid (Hcl) 100ml beaker Bunsen Precipitate cation test Distilled water Test tubes/ test tube racks Pipette Sodium hydroxide solution (NaOH) Anion tests Distilled water Test tube/ test tube racks Pipette Dilute nitric acid (HNO3) Silver nitrate Barium...
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  • Hess Law
    exothermic. 1) Dissolving solid sodium hydroxide in water (this heat is actually a “heat of solution” since no true chemical reaction occurs): NaOH (s) ---> Na+ (aq) OH¯ (aq)H1 2) Solid sodium hydroxide is dissolved in a hydrochloric acid solution: H+ (aq) Cl¯ (aq)NaOH (s) ---> Na...
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  • Thermochemistry formal lab
    Thermochemistry Laboratory Report Abstract The purposes of these three experiments are to determine the heat capacity of a calorimeter and with that data, confirm Hess’s Law and observe enthalpy changes within reactions. By measuring the change in temperature that occurs with the interaction of...
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  • 6.03 Calorimtery Honors
    J / 0.06338 mol NaOH = 45405 J/mole X 1 kJ/1000 J = 45.4 kJ/mol NaOH 5. The value determined in question 4 is the enthalpy change value you will need for Conclusion question 1 below. Part II The Reaction of Sodium Hydroxide Solution with Hydrochloric Acid Procedure: 1. Measure out...
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  • Chemistry Revision CH1
    7 mol dm-3. (The H+(aq) is a hydrated proton). We know from elementary chemistry that an acid will react with a base to form a salt plus water. Consider the simple reaction between hydrochloric acid and aqueous sodium hydroxide to form sodium chloride and water. HCl(aq) + NaOH(aq) NaCl...
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  • Ibdp Chemistry Ia Enthalpy Change of Neutralisation
    Aim: To calculate the enthalpy change of neutralization of the given pairs of acid and base. Theory: When alkali neutralizes an acid, a salt and water are formed. Aqueous hydrogen ions, H+(aq) from the acid react with the hydroxide ions, OH-(aq) from the alkali, forming water. Ionic...
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  • Lab Report
    Difference = 4. Draw an enthalpy diagram to illustrate Hess’s law for your neutralization reaction of one mol of solid sodium hydroxide with hydrochloric acid using your calculated DH3 value and the other experimentally determined values. Table 1A. Data recording sheet for...
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  • Chemistry
    flask by adding water just up to the graduation mark. Stopper the flask and invert it about 30 times to mix the solution thoroughly. Pipette 25 cm3 of the sodium carbonate solution into a conical flask, add few drops of methyl orange indicator and titrate against the hydrochloric acid solution...
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  • 6.03 honors
    change value for the dissolving of sodium hydroxide in water is −44.2 kilojoules per mole, determine the percent error of the experimental value that you calculated in Part I. Show your work. 3. If the accepted heat of reaction for the neutralization of hydrochloric acid with sodium hydroxide is...
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  • 6.03 Flvs
    ^4 J/mole * 1 kJ/1000 J = 43.8 kJ/mol NaOH 5. The value determined in question 4 is the enthalpy change value you will need for Conclusion question 1 below. Part II The Reaction of Sodium Hydroxide Solution with Hydrochloric Acid Procedure: 1. Measure out approximately 100 mL of 0.50 M...
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  • heat of neutralization
    ) can be related to changes in the internal energy, ΔErxn.2 In this experiment the neutralization of sodium hydroxide (a strong base) with hydrochloric acid (a strong acid) and acetic acid (a weak acid) will be investigated. The base is present in slight excess and, therefore, the acid is the...
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  • Fufjgh
    the enthalpy of neutralization for the reaction of a strong acid (phosphoric acid) and a strong base (sodium hydroxide). Experimental: Materials: The materials needed for this lab included; 2 large beakers, a Calorimeter Styrofoam cup, computer, stirring rod, 2 thermometers, Logger Program, and...
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  • thermochemistry
    a styrofoam calorimeter. The three reaction are shown below. Reaction 1: The dissolving of solid sodium hydroxide in water.                         NaOH(s) ---> Na+(aq) + OH-(aq) + heat Reaction 2: The reaction of solid sodium hydroxide with dilute hydrochloric acid.                  NaOH(s...
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