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Pre-lab Questions of HESS'S LAW . About 2...
NAME INSTRUCTOR DATE SECTION GROUP POST-LABORATORY QUESTIONS THERMOCHEMISTRY: ACID-BASE NEUTRALIZATION 1. Use Hess's Law and the...
NAME INSTRUCTOR DATE SECTION GROUP POST-LABORATORY QUESTIONS THERMOCHEMISTRY: ACID-BASE NEUTRALIZATION 1. Use Hess's Law and the class enthalpy values for the reactions of NaOH-HC and NH, HCl to calculate the enthalpy of neutralization of ammonium chloride and hydrochloric acid. You may need to reverse or multiply the chemical equations from Table 7.2 and 7.3 to get them to add up correctly: Experiment Chemical reaction (Refer to the reactions that you wrote in prelab question 3). Class enthalpy value (kJ/mol 7.2...
2. (you don't Show using Hess's Law how the enthalpy of reaction for HCL + NaOH...
2. (you don't Show using Hess's Law how the enthalpy of reaction for HCL + NaOH need specific numbers, just call it AH) minus the enthalpy of reaction for HCheg) + NH ) (call it AH.) should be equal to the enthalpy of reaction for NaOH2 + NH Cla). Show all work. with a concentration of 0.160 M has an absorbance of 0.80 in a 1.0 cm path length cuvette. (a) What would be the absorbance expected if the sample...
Pre-lab Questions for Experiment #11 Hess's Law with Computers 1) Using the following data, NaOH ()...
Pre-lab Questions for Experiment #11 Hess's Law with Computers 1) Using the following data, NaOH () - Na' (aq) + OH (aq) ΔΙΙ "-42.9 kJ/mol =-98.8 kJ/mol NaOHis).HUaq) + Cl.(aq)....-11:0(1) + Na. (ap-Craq) Calculate the heat of reaction, AH, for ΔΙΙ 2) Methane, the main constituent of natural gas, burns in oxygen to yield carbon dioxide and water: CH(g) + 2 02(g)CO(g) +2 H:00) Use the following information to calculate ΔΗ, in kilojoules for the combustion of methane CH(g) +...
Please help fill in data table and answer questions below table. thank you! It was only 2 reactio...
Please help fill in data table and answer questions
below table. thank you!
It was only 2 reactions, there is not a 4th. Please
help with information provided.
DATA 1. Volume of 1.00 M HCI 2. Final temperature, t, 3. Initial temperature, t, 4. Change in temperature, t 5. Mass of solid 6. Heat, Reaction 2 (Mg) Reaction 1 (Mgo) 50.0 41.3 500 ml mL oC oC oC oC Mg kJ kJ 7. ΔΗ kJ kJ 8. Moles mol Mg...
LAB PARTNER Pre-Lab Questions Answer questions 1-6 after you have read the lab experiment and studied...
LAB PARTNER Pre-Lab Questions Answer questions 1-6 after you have read the lab experiment and studied titration in your textbook (section 7.5) and/or in the lab manual (pages xxi-xxiv). Show your work fully and clearly. Calculate the molar mass of NaOH and the molar concentration of a solution containing 3.978 g of NaOH in 750.0 mL 1. Calculate the number of moles of HCl in 50.00 mL of 0.1444 M HCl. 2. Continued on the next page. 3. Calculate the...
reaction one NaOH and HCl. 50.0 mL of 2.0 M HCl solution into 50.0 mL of...
reaction one NaOH and HCl. 50.0 mL of 2.0 M HCl solution into
50.0 mL of 2.0 M NaOH
reaction two 50 mL OF 2.0 M NaOH into 50 mL of 2.0 M NH4Cl
reaction three 50.0 mL of 2.0 M HCl into 50.0 mL NH3
pleanse answer all of the questions
Experinen DATA TABLE Reaction 1 Reaction 2 Reaction 3 34,012。21 2H0 Maximum temperature (C) Initial temperature (C) Temperature change (&T) DATA ANALYSIS 1. Calculate the amount of heat...
PRE-LAB QUESTIONS 1. Calculate the enthalpy change for the reaction P,o,(s) + 202(g)--PO10(g) Given the following...
PRE-LAB QUESTIONS 1. Calculate the enthalpy change for the reaction P,o,(s) + 202(g)--PO10(g) Given the following enthalpies of reaction: P,(s)+30,(g) P,O,(g) AH- -1640.1 k P,(s)+50,(8)-P08 AH--2940.1 k) 2. Two solid objects, A and B, are placed in boiling water and allowed to come to the same tem- perature there. Each is then lifted and placed in separate beakers containing 100 g water at 10.0°C. Object A increases the water temperature by 3.50°C; B increases the water temperature by 2.60°C. Which...
Pre-Lab Assignment, Lab 3 (detach and submit to your TA at the beginning of your lab...
Pre-Lab Assignment, Lab 3 (detach and submit to your TA at the beginning of your lab session) Name: Date: TA: 1. Consider 30.0 mL of water th temperature that should be observed? (in "C) Show your work. at has absorbed 1540 J of heat from a chemical reaction. What is the change in 2. Write ba producing sodium chloride and water; b) ammonium chloride and sodium hydroxide producing ammonia, sodiun chloride and water, c) reaction of aluminum with hydrochloric acid...
this the pre lab questions for The Diels - Alder Cycloaddition Reactio expirment please answer all...
this the pre lab questions for The Diels -
Alder Cycloaddition Reactio expirment please answer all the
question
If the Diels-Alder reaction is classified as a [4 + 2] cycloaddition reaction, how would you classify the cycloaddition reactions shown below? You are instructed to use 140 mg of cyclopentadiene (d = 0.80 g/mL). It is typically more convenient to measure out a volume of liquid. What volume of cyclopentadiene should be used? In the Diels-Alder reaction that you will be...
Please answer all of the questions with an explanation on why the correct answer is right. These ...
Please answer all of the
questions with an explanation on why the correct answer is right.
These are Chemistry questions.
2. (4pts) Which of the following has the highest pll if they all have the same initial ntrations? A. NaCI B. HCI C. NaF D. H2SO E. CH3COOH i C (4pts) Using the Ka's on the front page, which of these base is the weakest? 3. A. F B. NH3 C. C2H302- D. CIO- E. NO2- 6. (4pts) Which is...
NAME INSTRUCTOR DATE SECTION GROUP POST-LABORATORY QUESTIONS THERMOCHEMISTRY: ACID-BASE NEUTRALIZATION 1. Use Hess's Law and the class enthalpy values for the reactions of NaOH-HC and NH, HCl to calculate the enthalpy of neutralization of ammonium chloride and hydrochloric acid. You may need to reverse or multiply the chemical equations from Table 7.2 and 7.3 to get them to add up correctly: Experiment Chemical reaction (Refer to the reactions that you wrote in prelab question 3). Class enthalpy value (kJ/mol 7.2...
2. (you don't Show using Hess's Law how the enthalpy of reaction for HCL + NaOH need specific numbers, just call it AH) minus the enthalpy of reaction for HCheg) + NH ) (call it AH.) should be equal to the enthalpy of reaction for NaOH2 + NH Cla). Show all work. with a concentration of 0.160 M has an absorbance of 0.80 in a 1.0 cm path length cuvette. (a) What would be the absorbance expected if the sample...
Pre-lab Questions for Experiment #11 Hess's Law with Computers 1) Using the following data, NaOH () - Na' (aq) + OH (aq) ΔΙΙ "-42.9 kJ/mol =-98.8 kJ/mol NaOHis).HUaq) + Cl.(aq)....-11:0(1) + Na. (ap-Craq) Calculate the heat of reaction, AH, for ΔΙΙ 2) Methane, the main constituent of natural gas, burns in oxygen to yield carbon dioxide and water: CH(g) + 2 02(g)CO(g) +2 H:00) Use the following information to calculate ΔΗ, in kilojoules for the combustion of methane CH(g) +...
Please help fill in data table and answer questions
below table. thank you!
It was only 2 reactions, there is not a 4th. Please
help with information provided.
DATA 1. Volume of 1.00 M HCI 2. Final temperature, t, 3. Initial temperature, t, 4. Change in temperature, t 5. Mass of solid 6. Heat, Reaction 2 (Mg) Reaction 1 (Mgo) 50.0 41.3 500 ml mL oC oC oC oC Mg kJ kJ 7. ΔΗ kJ kJ 8. Moles mol Mg...
LAB PARTNER Pre-Lab Questions Answer questions 1-6 after you have read the lab experiment and studied titration in your textbook (section 7.5) and/or in the lab manual (pages xxi-xxiv). Show your work fully and clearly. Calculate the molar mass of NaOH and the molar concentration of a solution containing 3.978 g of NaOH in 750.0 mL 1. Calculate the number of moles of HCl in 50.00 mL of 0.1444 M HCl. 2. Continued on the next page. 3. Calculate the...
reaction one NaOH and HCl. 50.0 mL of 2.0 M HCl solution into
50.0 mL of 2.0 M NaOH
reaction two 50 mL OF 2.0 M NaOH into 50 mL of 2.0 M NH4Cl
reaction three 50.0 mL of 2.0 M HCl into 50.0 mL NH3
pleanse answer all of the questions
Experinen DATA TABLE Reaction 1 Reaction 2 Reaction 3 34,012。21 2H0 Maximum temperature (C) Initial temperature (C) Temperature change (&T) DATA ANALYSIS 1. Calculate the amount of heat...
PRE-LAB QUESTIONS 1. Calculate the enthalpy change for the reaction P,o,(s) + 202(g)--PO10(g) Given the following enthalpies of reaction: P,(s)+30,(g) P,O,(g) AH- -1640.1 k P,(s)+50,(8)-P08 AH--2940.1 k) 2. Two solid objects, A and B, are placed in boiling water and allowed to come to the same tem- perature there. Each is then lifted and placed in separate beakers containing 100 g water at 10.0°C. Object A increases the water temperature by 3.50°C; B increases the water temperature by 2.60°C. Which...
Pre-Lab Assignment, Lab 3 (detach and submit to your TA at the beginning of your lab session) Name: Date: TA: 1. Consider 30.0 mL of water th temperature that should be observed? (in "C) Show your work. at has absorbed 1540 J of heat from a chemical reaction. What is the change in 2. Write ba producing sodium chloride and water; b) ammonium chloride and sodium hydroxide producing ammonia, sodiun chloride and water, c) reaction of aluminum with hydrochloric acid...
this the pre lab questions for The Diels -
Alder Cycloaddition Reactio expirment please answer all the
question
If the Diels-Alder reaction is classified as a [4 + 2] cycloaddition reaction, how would you classify the cycloaddition reactions shown below? You are instructed to use 140 mg of cyclopentadiene (d = 0.80 g/mL). It is typically more convenient to measure out a volume of liquid. What volume of cyclopentadiene should be used? In the Diels-Alder reaction that you will be...
Please answer all of the
questions with an explanation on why the correct answer is right.
These are Chemistry questions.
2. (4pts) Which of the following has the highest pll if they all have the same initial ntrations? A. NaCI B. HCI C. NaF D. H2SO E. CH3COOH i C (4pts) Using the Ka's on the front page, which of these base is the weakest? 3. A. F B. NH3 C. C2H302- D. CIO- E. NO2- 6. (4pts) Which is...
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