Procedure 1: &n
Procedure 1: Run 1 Run 2
Mass of calorimeter and lid 117.1682 g 121.7315g
Mass of NaOH pellets 1.9985 g 1.9984g
Mass of calorimeter + lid + contents 217.0118 g 221.3835g
Initial Temperature 23.9 celsius 24.5 celsius
Final Temperature 27.1 celsius 28.0 celsius
Procedure 2:
Molarity of HCl solution = 2.10 M
Molarity of NaOH solution =2.00 M
Mass of calorimeter and lid 126.3469g 126.3447g
Volume of HCl solution= 50.0 mL
Volume of NaOH solution= 50.0 mL
Mass of calorimeter +Lid + contents 226.1952g 229.3370g
Initial Temperature 23.5 celsius 24.0 celsius
Final Temperature 37.0 celsius 37.6 celsius
Procedure 3:
Molarity of HCl solution=1.10M
Mass of calorimeter and lid 123.1761g 123.5508g
Volume of HCl solution=100 mL
Mass of NaOH pellets 2.0079g 1.9944g
Mass of calorimeter+ lid+ contents 227.8055g 225.4040g
Initial Temperature 24.1 celsius 23.9 celsius
Final Temperature 33.2 celsius 33.2 celsius
1. Calculate the moles of limiting reagent for each data run of each procedure. (Hint: For procedure 1, there is only one reagent, so this should be the limiting reagent. Remember that you can find the moles of a pure substance using the mass and the formula mass and your can find the moles of a solution using the molarity and the volume.)
Homework Answers
Date Section Code Data Sheet Table 11.1. Time-temperature data. A. Volume of HCl solution (mL) Molarity...
Date Section Code Data Sheet Table 11.1. Time-temperature data. A. Volume of HCl solution (mL) Molarity of HCl solution (M) Volume of NaOH solution (mL) Molarity of NaOH solution (M) Initial temperature of HCl solution (°C) Initial temperature of NaOH solution (°C) Temperatures of solution (°C) at 0.25-min. (15-sec.) intervals 0.25 Run 1 Run 2 49.5 49.8 12.119 2.119 53.2 53.6 2.087 2.087 18.9°C 18.8°C a.oc 18ợc. . 29.9 29.8 32.3 3107 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25...
ty ah Run 2 Run 1 Average initial temperature of HCl and A NaOH solutions (°C)...
ty ah Run 2 Run 1 Average initial temperature of HCl and A NaOH solutions (°C) 29.8 32.4 Maximum temperature of HCl-NAOH solution (°C) 34.5 30.5 Maximum temperature change for reaction (°C) 13 Total volume of HCl plus NaOH solutions (mL) Mass of final NaCl solution (g) Heat produced from HCl-NaOH reaction (J) Moles of H,O formed in reaction (mol) Heat expected from moles of H,0 formed (J) Heat absorbed by calorimeter (J) Heat capacity of calorimeter (J/oC) Average heat...
calculate the experimental enthalpy per mole in this table. need immediately with clear steps. DATA: Table...
calculate the experimental enthalpy per mole in this
table.
need immediately with clear steps.
DATA: Table 1 Neutralization reaction 4.0957g Mass of calorimeter 54.503g 21°C Mass of calorimeter and HCI Temperature of HCI Final temperature of mixture 30°C 9°C Change in temperature 104.40g Mass of mixture and calorimeter 50.418 Mass of HCI 1.10M Molarity of HCI Volume of HCl (density= 1.02g/) 49.41ml 1.382 mol Moles of HCl Mass of NaOH 49.90g 1.00 M Molarity of NaOH 48.00 ml Volume of...
I need help compliting A&B, if you can show how you got it that'll be great!...
I need help compliting A&B, if you can show how you got it
that'll be great! thanks!
Section Code wala Sheet Table 11.1. Time-temperature data. A. Volume of HCl solution (m) Molarity of HCl solution (M) Volume of NOH solution (m) Molarity of NOHution M Initial temperature of HCl solution (C) Initial temperature of NaOH solution (C) Temperatures of solution ) 0.25 min 0.15 0.50 Run Run 2 49.5 49.8 2.119 2.119 53.2 53.6 2.087 2.087 18.9°C 18.8°C 19.0c 180C...
calcylate the enthalpy of the neutralization for this reaction using the data provided find the following:...
calcylate the enthalpy of the neutralization for this reaction using the data provided find the following: find the mole of H^+ moles of OH^- limiting reagent heat transfer solution enthalpy of neutralization per mole limiting reagent Lab Notebook Determination of Enthalpy of Neutralization (Ccal: 17.55 J/°C) Volume of HCI 100 mL Initial temperature of HCI 23 °C Volume of NaOH Initial temperature of NaOH 23 °C Final solution temperature 37 °C Moles of H Moles of OH Limiting reagent Select...
calcylate the enthalpy of the neutralization for this reaction using the data provided find the following:...
calcylate the enthalpy of the neutralization for this reaction
using the data provided
find the following:
find the mole of H^+
moles of OH^-
limiting reagent
heat transfer solution
enthalpy of neutralization per
mole limiting reagent
concentration of NaOH is 2.05 M
comcentration if HCl is 2.11 M
Lab Notebook Determination of Enthalpy of Neutralization (Ccal: 17.55 JI°C) Volume of HCI 100 mL Initial temperature of HCI 23 °C Volume of NaOH 100 mL Initial temperature of NaOH 23 °C...
Table 4.2: Enthalpy of Neutralization for an Acid-Base Reaction Trial 1 Concentration of NaOH 1. i...
Table 4.2: Enthalpy of Neutralization for an Acid-Base Reaction Trial 1 Concentration of NaOH 1. i mol/L Initial temperature of NaOH 22.1°C Volume of NaOH Concentration of HCI 45, I mL 1.2 mol/L 22.3°C Initial temperature of HCI Trial 2 lol mol/L 21.9°C 63 mL 45. Iml 1,2 mol/L 22.5°C 45.2 mL 27.5° 22.2°C 5.3°C 90.3 mL 4.18 Jg! °C! Volume of HCI 45.3 ml Final temperature of mixture Average initial temperature (HCl and NaOH) Ti Temperature change, (47) 28.6°C...
2. Use the data of Part B for the reaction between NH3 (aq) and HCl (aq),...
2. Use the data of Part B for the reaction between NH3 (aq) and HCl (aq), and equation 2 to determine: AH for each run in kJ (AHA), AH per mole of limiting reagent for each run, and the average AH/mol of limiting reagent. Assume that the specific heat capacity of the solution is 4.184 J/gºC, the final volume is 100.0 mL, and the density is 1.03 g/mL. Show one sample calculation in the space below. Run # 1 Run...
DATA ANALYSIS I. You conducted the following three reactions in this experiment Reaction I(AHN): An aqueous...
DATA ANALYSIS I. You conducted the following three reactions in this experiment Reaction I(AHN): An aqueous solution of sodium hydroxide reacts with an aqueous solution of hydrochloric acid, yielding water and an aqueous salt Reaction 2 (AHs): Solid sodium hydroxide reacts with water, yielding aqueous sodium hydroxide . Reaction 3 (AHR): An aqueous solution of hydrochloric acid reacts with solid sodiu Reaction 1 (AHN)HCl(aq)+ NaOH(aq) NaCl(aq) + H20() 2 (AHs) hydroxide, yielding water and an aqueous salt AH (kJ/mol) Balanced...
looking for question 5, 6 7 and 8 5. In reaction 1, a student measured the...
looking for question 5, 6 7 and 8
5. In reaction 1, a student measured the temperature of the resultant solution when some NaOH pellets were still left in the calorimeter. How does it affect the value of AH reaction? 6. In reaction 2, a student forgot to put the lid back on the calorimeter after mixing NaOH pellet with HCl solution. How does it affect the value of AH reactiona? 7. In reaction 3, a student left the solution...
Date Section Code Data Sheet Table 11.1. Time-temperature data. A. Volume of HCl solution (mL) Molarity of HCl solution (M) Volume of NaOH solution (mL) Molarity of NaOH solution (M) Initial temperature of HCl solution (°C) Initial temperature of NaOH solution (°C) Temperatures of solution (°C) at 0.25-min. (15-sec.) intervals 0.25 Run 1 Run 2 49.5 49.8 12.119 2.119 53.2 53.6 2.087 2.087 18.9°C 18.8°C a.oc 18ợc. . 29.9 29.8 32.3 3107 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25...
ty ah Run 2 Run 1 Average initial temperature of HCl and A NaOH solutions (°C) 29.8 32.4 Maximum temperature of HCl-NAOH solution (°C) 34.5 30.5 Maximum temperature change for reaction (°C) 13 Total volume of HCl plus NaOH solutions (mL) Mass of final NaCl solution (g) Heat produced from HCl-NaOH reaction (J) Moles of H,O formed in reaction (mol) Heat expected from moles of H,0 formed (J) Heat absorbed by calorimeter (J) Heat capacity of calorimeter (J/oC) Average heat...
calculate the experimental enthalpy per mole in this
table.
need immediately with clear steps.
DATA: Table 1 Neutralization reaction 4.0957g Mass of calorimeter 54.503g 21°C Mass of calorimeter and HCI Temperature of HCI Final temperature of mixture 30°C 9°C Change in temperature 104.40g Mass of mixture and calorimeter 50.418 Mass of HCI 1.10M Molarity of HCI Volume of HCl (density= 1.02g/) 49.41ml 1.382 mol Moles of HCl Mass of NaOH 49.90g 1.00 M Molarity of NaOH 48.00 ml Volume of...
I need help compliting A&B, if you can show how you got it
that'll be great! thanks!
Section Code wala Sheet Table 11.1. Time-temperature data. A. Volume of HCl solution (m) Molarity of HCl solution (M) Volume of NOH solution (m) Molarity of NOHution M Initial temperature of HCl solution (C) Initial temperature of NaOH solution (C) Temperatures of solution ) 0.25 min 0.15 0.50 Run Run 2 49.5 49.8 2.119 2.119 53.2 53.6 2.087 2.087 18.9°C 18.8°C 19.0c 180C...
calcylate the enthalpy of the neutralization for this reaction using the data provided find the following: find the mole of H^+ moles of OH^- limiting reagent heat transfer solution enthalpy of neutralization per mole limiting reagent Lab Notebook Determination of Enthalpy of Neutralization (Ccal: 17.55 J/°C) Volume of HCI 100 mL Initial temperature of HCI 23 °C Volume of NaOH Initial temperature of NaOH 23 °C Final solution temperature 37 °C Moles of H Moles of OH Limiting reagent Select...
calcylate the enthalpy of the neutralization for this reaction
using the data provided
find the following:
find the mole of H^+
moles of OH^-
limiting reagent
heat transfer solution
enthalpy of neutralization per
mole limiting reagent
concentration of NaOH is 2.05 M
comcentration if HCl is 2.11 M
Lab Notebook Determination of Enthalpy of Neutralization (Ccal: 17.55 JI°C) Volume of HCI 100 mL Initial temperature of HCI 23 °C Volume of NaOH 100 mL Initial temperature of NaOH 23 °C...
Table 4.2: Enthalpy of Neutralization for an Acid-Base Reaction Trial 1 Concentration of NaOH 1. i mol/L Initial temperature of NaOH 22.1°C Volume of NaOH Concentration of HCI 45, I mL 1.2 mol/L 22.3°C Initial temperature of HCI Trial 2 lol mol/L 21.9°C 63 mL 45. Iml 1,2 mol/L 22.5°C 45.2 mL 27.5° 22.2°C 5.3°C 90.3 mL 4.18 Jg! °C! Volume of HCI 45.3 ml Final temperature of mixture Average initial temperature (HCl and NaOH) Ti Temperature change, (47) 28.6°C...
2. Use the data of Part B for the reaction between NH3 (aq) and HCl (aq), and equation 2 to determine: AH for each run in kJ (AHA), AH per mole of limiting reagent for each run, and the average AH/mol of limiting reagent. Assume that the specific heat capacity of the solution is 4.184 J/gºC, the final volume is 100.0 mL, and the density is 1.03 g/mL. Show one sample calculation in the space below. Run # 1 Run...
DATA ANALYSIS I. You conducted the following three reactions in this experiment Reaction I(AHN): An aqueous solution of sodium hydroxide reacts with an aqueous solution of hydrochloric acid, yielding water and an aqueous salt Reaction 2 (AHs): Solid sodium hydroxide reacts with water, yielding aqueous sodium hydroxide . Reaction 3 (AHR): An aqueous solution of hydrochloric acid reacts with solid sodiu Reaction 1 (AHN)HCl(aq)+ NaOH(aq) NaCl(aq) + H20() 2 (AHs) hydroxide, yielding water and an aqueous salt AH (kJ/mol) Balanced...
looking for question 5, 6 7 and 8
5. In reaction 1, a student measured the temperature of the resultant solution when some NaOH pellets were still left in the calorimeter. How does it affect the value of AH reaction? 6. In reaction 2, a student forgot to put the lid back on the calorimeter after mixing NaOH pellet with HCl solution. How does it affect the value of AH reactiona? 7. In reaction 3, a student left the solution...
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