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Image A Image B KEY HC2H302 • = C2H302 = H20 Image C Image D a....
Image A Image B KEY HC2H302 • = C2H302 = H20 Image C Image D a. Which image best represents a solution of 0.1 M HCH02 before any NaOH was added? b. Which image best represents the solution of 0.1 M HC H302 when the neutralization reaction was half finished? c. Which image best represents the solution of 0.1 M HC H3O2 right before the neutralization reaction was finished? d. Which image best represents the solution of 0.1 M HC.H:O2...
PROCESSING THE DATA 1. COMPLETE DATA TABLE 2. Determine the volume of NaQH added at the...
PROCESSING THE DATA 1. COMPLETE DATA TABLE 2. Determine the volume of NaQH added at the equivalence point. 3. Calculate the number of moles of NaOH used. 4. See the equation for the neutralization reaction given in the introduction. Determine the number of moles of HCl used. 5. Recall that you pipeted out 10.0 mL of the unknown HCl solution for the titration. Calculate the HCl concentration. Trail 1 Trial 2 Concentration of NaQH 0.1 M 0 ml NaQH volume...
1. Which of the following make a buffer solution? (circle all the correct answers) a. 0.1...
1. Which of the following make a buffer solution? (circle all the correct answers) a. 0.1 M HCl and 0.1 M NaCl b. 0.1 M HF and 0.075 M KF C. 0.15 M Pentanoic acid and 0.15 M sodium pentanoate d. 0.1 M NaOH and 0.1 M HCI e. 0.1 M acetic acid and 0.00001 sodium acetate 2. Which of the following could make buffer systems when mixed together? (circle the correct answers) a. 0.10 M acetic acid and 0.05...
Complete the following reations : A. H2O + H2O B. HCI + H2O C. NAOH +...
Complete the following reations : A. H2O + H2O B. HCI + H2O C. NAOH + H2O D. NH40H + H2O E. H2SO4 + H2O F. CH3COOH + H2O 1. If the pH of NaOH is 12.7, what is its concentration? 2. If the pOH of HCI is 12.7, what is its concentration?
5. 0.20 L of a 0.40 M HCI is totally reacted with 0.20 L of a...
5. 0.20 L of a 0.40 M HCI is totally reacted with 0.20 L of a NaOH solution in a Styrofoam coffee cup. The temperature of both solutions before mixing is 25.1 °C and 26.6 °C after. Assume that both the HCI and the NaOH solutions have a density of 1.00 g/mL, the heat absorbed by the cup is negligible, and the specific heat capacity of the solutions is 4.18 J/g C. Calculate the heat released per mol HCl in...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee cup calorimeter. The reaction is that of neutralization between the acid and the base: HCI + NaOH + H2O + Naci To calculate the approximate enthalpy change for this reaction using q = m-C-AT, what value should the student give to C in the equation? The student must use the heat of formation of water. The student must use the heat of formation of...
V. Heat of reaction for NaOH (s) + HCI (aq) → Naci (aq) + H20 ()-dH(net) Direct determination Mas...
need help with calculations
V. Heat of reaction for NaOH (s) + HCI (aq) → Naci (aq) + H20 ()-dH(net) Direct determination Mass NaOH Moles NaOH = moles Mass of HCI solution Final temp. of solution Initial temp. of solution AT solution 30 23 C 4 C AH(net)(Direct) per mole NaOH Calculation Indirect determination Heat of dissolution of NaOH (s) [AH(diss)] Mass NaOH Moles NaOH moles Mass of water Final temp. of solution Initial temp. of solution AT solution AH(diss)-...
1) NaOH(aq) + HCl(aq) - NaCl(aq) + H2O(1) To determine the concentration of a NaOH(aq) solution,...
1) NaOH(aq) + HCl(aq) - NaCl(aq) + H2O(1) To determine the concentration of a NaOH(aq) solution, a student titrated a 50. mL sample with 0.10 M HCl(aq). The reaction is represented by the equation above. The titration is monitored using a pH meter, and the experimental results are plotted in the graph below. 13. 0S 7.04 Answer Key on School Loop @ P 1.07. 0 25.0 50.0 Volume HCI added (mL) One student titrated the NaOH(aq) with 1.0 M HCl(aq)...
Page 36 When 50.0 mL of 1.00 M HCI(aq) and 50.0 mL of 1.00 M NaOH(aq),...
Page 36 When 50.0 mL of 1.00 M HCI(aq) and 50.0 mL of 1.00 M NaOH(aq), both at 22.0 °C, are added to a coffee cup calorimeter, the temperature of the mixture reaches a maximum of 28.9 C. What is the approximate amount of heat produced by this reaction? Specific heat of water is 4.184 J/g C HCl(aq) + NaOH(aq) → Nacl(aq) + H2O() The heat given off by the reaction is equal to that taken in by the solution....
unknown solutions A and B are 0.1 M solutions of either HCI or NaOH. According to...
unknown solutions A and B are 0.1 M solutions of
either HCI or NaOH. According to your pH measurement, which is
which
10% Bleach Question: 1. Unknown solutions A and B are 0.1 M solutions of either HCl or NaOH. According to your pH measurements, which is which? 1 2. The pH of pure water is 7. Comment on how closely your measured pH values from each measurement method compared to the expected value. Which method was more appropriate for...
Image A Image B KEY HC2H302 • = C2H302 = H20 Image C Image D a. Which image best represents a solution of 0.1 M HCH02 before any NaOH was added? b. Which image best represents the solution of 0.1 M HC H302 when the neutralization reaction was half finished? c. Which image best represents the solution of 0.1 M HC H3O2 right before the neutralization reaction was finished? d. Which image best represents the solution of 0.1 M HC.H:O2...
PROCESSING THE DATA 1. COMPLETE DATA TABLE 2. Determine the volume of NaQH added at the equivalence point. 3. Calculate the number of moles of NaOH used. 4. See the equation for the neutralization reaction given in the introduction. Determine the number of moles of HCl used. 5. Recall that you pipeted out 10.0 mL of the unknown HCl solution for the titration. Calculate the HCl concentration. Trail 1 Trial 2 Concentration of NaQH 0.1 M 0 ml NaQH volume...
1. Which of the following make a buffer solution? (circle all the correct answers) a. 0.1 M HCl and 0.1 M NaCl b. 0.1 M HF and 0.075 M KF C. 0.15 M Pentanoic acid and 0.15 M sodium pentanoate d. 0.1 M NaOH and 0.1 M HCI e. 0.1 M acetic acid and 0.00001 sodium acetate 2. Which of the following could make buffer systems when mixed together? (circle the correct answers) a. 0.10 M acetic acid and 0.05...
5. 0.20 L of a 0.40 M HCI is totally reacted with 0.20 L of a NaOH solution in a Styrofoam coffee cup. The temperature of both solutions before mixing is 25.1 °C and 26.6 °C after. Assume that both the HCI and the NaOH solutions have a density of 1.00 g/mL, the heat absorbed by the cup is negligible, and the specific heat capacity of the solutions is 4.18 J/g C. Calculate the heat released per mol HCl in...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee cup calorimeter. The reaction is that of neutralization between the acid and the base: HCI + NaOH + H2O + Naci To calculate the approximate enthalpy change for this reaction using q = m-C-AT, what value should the student give to C in the equation? The student must use the heat of formation of water. The student must use the heat of formation of...
need help with calculations
V. Heat of reaction for NaOH (s) + HCI (aq) → Naci (aq) + H20 ()-dH(net) Direct determination Mass NaOH Moles NaOH = moles Mass of HCI solution Final temp. of solution Initial temp. of solution AT solution 30 23 C 4 C AH(net)(Direct) per mole NaOH Calculation Indirect determination Heat of dissolution of NaOH (s) [AH(diss)] Mass NaOH Moles NaOH moles Mass of water Final temp. of solution Initial temp. of solution AT solution AH(diss)-...
1) NaOH(aq) + HCl(aq) - NaCl(aq) + H2O(1) To determine the concentration of a NaOH(aq) solution, a student titrated a 50. mL sample with 0.10 M HCl(aq). The reaction is represented by the equation above. The titration is monitored using a pH meter, and the experimental results are plotted in the graph below. 13. 0S 7.04 Answer Key on School Loop @ P 1.07. 0 25.0 50.0 Volume HCI added (mL) One student titrated the NaOH(aq) with 1.0 M HCl(aq)...
Page 36 When 50.0 mL of 1.00 M HCI(aq) and 50.0 mL of 1.00 M NaOH(aq), both at 22.0 °C, are added to a coffee cup calorimeter, the temperature of the mixture reaches a maximum of 28.9 C. What is the approximate amount of heat produced by this reaction? Specific heat of water is 4.184 J/g C HCl(aq) + NaOH(aq) → Nacl(aq) + H2O() The heat given off by the reaction is equal to that taken in by the solution....
unknown solutions A and B are 0.1 M solutions of
either HCI or NaOH. According to your pH measurement, which is
which
10% Bleach Question: 1. Unknown solutions A and B are 0.1 M solutions of either HCl or NaOH. According to your pH measurements, which is which? 1 2. The pH of pure water is 7. Comment on how closely your measured pH values from each measurement method compared to the expected value. Which method was more appropriate for...
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