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Does the formation of a bond or intermolecular force release heat or absorb heat? Justify your...
Choose the molecule or compound that exhibit ion-ion forces as its strongest intermolecular force: Justify your...
Choose the molecule or compound that exhibit ion-ion forces as its strongest intermolecular force: Justify your answer? HF CO NaCl Cl2
Using your vast knowledge of thermochemistry, explain why C, diamond does not spontaneously conve...
Using your vast knowledge of thermochemistry, explain why C, diamond does not spontaneously convert to C graphite despite thermodynamics predicting that it should do so. Dramands Changing n bowh to arophile e mar NI CHEm hat are CFCs? Explain theif importance to the chemistry of Earth's atmosphere. C es e Chlero lurocaron has absorb heat and re lease
Using your vast knowledge of thermochemistry, explain why C, diamond does not spontaneously convert to C graphite despite thermodynamics predicting that it...
10. (14 pts) For the compounds below: a. Identify the strongest intermolecular force present in each...
10. (14 pts) For the compounds below: a. Identify the strongest intermolecular force present in each molecule. b. Arrange the following molecules in order of lowest vapor pressure to highest vapor pressure. c. Briefly justify your answer to part b using your knowledge of intermolecular forces. Molecule * HH * Strongest Intermolecular Force: Lowest vapor pressure: < < Highest vapor pressure 11.(12 pts) Ethanol (CH-OH, FW-46.08 g/mol) melts at -114 °C and boils at 78 °C. How much heat is...
A 13. (a) Which would have the stronger intermolecular force, CHA or Cla? Briefly explain your...
A 13. (a) Which would have the stronger intermolecular force, CHA or Cla? Briefly explain your answer. V (b) CHa boils at 111 k while Cola boils at 350 K. Does this data support or contradict your answer to part (a)? Briefly explain eng point 14. Why does ethane (CH) have a higher boiling point (184 K) than methane (CH 111 K)? 163 Model III: Another set of boiling point data Substance Boiling point Boiling point HF Substance HO H...
Liquid Molar Mass (g/mol) Polarity (P, NP) Strongest type of Intermolecular Force Molecular structure Methanol Po...
Liquid Molar Mass (g/mol) Polarity (P, NP) Strongest type of Intermolecular Force Molecular structure Methanol Polar hydrogen bonds Ethanol Ipolar 1-Propanol polar 11-Butanol Ipolar n-Hexane Inon- polar n-Heptane Inon- I polar n-octane non- polar Acetone Polar 2- propanol polar 1. Which liquid tested has the strongest intermolecular forces? Justify your answer. (pt) Table 2 (15pes total) Minimum AT Initial Liquid temperature (°C) Methanol 17.8°C Ethanol 20+C |- Propanol 19.5°C 1-Butanol 19.8°C In-Hexane 18.4°C n-Heptane 20.7°C In-octane 19.4°C | Acetone 20.1.0...
Please explain your answer Which of the following statements concerning molecular mechanics (MM) force fields is...
Please explain your answer
Which of the following statements concerning molecular mechanics (MM) force fields is incorrect? Select one: O a. MM treats electrons implicitly and does not usually account for effects such as polarisation and charge transfer. O b. MM models chemical bonds as harmonic springs and cannot handle bond breaking or formation. O c. MM approximates the potential energy surface using simple analytic harmonic and periodic functions. d. MM is largely ab initio, i.e. parameter-free.
Show your work for all calculations, you MUST justify your answer to get credir. Answers should reflect the appr...
Show your work for all calculations, you MUST justify your answer to get credir. Answers should reflect the appropriate number of significant figures and include labels. 1 Answer the following questions about the enthalpy of reaction for the neutralization of HCL using NaOH: a. Report your experimentally measured molar enthalpy for this neutralization reaction below b. Write the ionic and also the net ionic equations for the reaction (include state symbols). Part I. Determination of the Heat Capacity of a...
1. For this reaction in parts A and B, calculate the heat of the reaction using...
1. For this reaction in parts A and B, calculate the heat of the
reaction using the following:
qrxn= -(MC^T + Ccal^T)
Ccalorimeter = 11.6 J/1*C
---------help answer rest if can :)----------
DATA FOR Part A.
Trial #
1
2
3
Mass of calorimeter
41.582 g
41.601 g
41.605 g
Mass of calorimeter+acid
68.857 g
66.832 g
70.596 g
Temperature(C) (acid)
22.0
21.6
21.8
Mass of weighboat
0.703 g
0.704 g
0.701 g
Mass of Mg+weighboat
0.768 g
0.752 g...
Chapter7 Magnetic Force Equipmentt Your equipment will include 5 tiny masses. For each mass that is...
Chapter7 Magnetic Force Equipmentt Your equipment will include 5 tiny masses. For each mass that is lost, your group will lose 20% of the credit for this week's report. Learning Objectives In this week's activity, you will investigate the behavior of a permanent magnet in the presence of an ex- ternal magnetic field, created by a current, model and measure how the magnetic force changes as a function of dis- tance from a single coil, . determine the dipole moment...
A bicycle wheel has four firecrackers attached to it on opposite ends of the wheel's diameter,...
A bicycle wheel has four firecrackers attached to it on opposite ends of the wheel's diameter, as shown in the figure to the right. When the firecrackers are lit, they release heated gas away from their front ends. The bicycle wheel is pivoted against a wall by its center of mass and is free to spin. a. Which way will the bicycle wheel spin when the firecrackers are lit? Explain using the torque right hand rule. b. What is the...
Using your vast knowledge of thermochemistry, explain why C, diamond does not spontaneously convert to C graphite despite thermodynamics predicting that it should do so. Dramands Changing n bowh to arophile e mar NI CHEm hat are CFCs? Explain theif importance to the chemistry of Earth's atmosphere. C es e Chlero lurocaron has absorb heat and re lease
Using your vast knowledge of thermochemistry, explain why C, diamond does not spontaneously convert to C graphite despite thermodynamics predicting that it...
10. (14 pts) For the compounds below: a. Identify the strongest intermolecular force present in each molecule. b. Arrange the following molecules in order of lowest vapor pressure to highest vapor pressure. c. Briefly justify your answer to part b using your knowledge of intermolecular forces. Molecule * HH * Strongest Intermolecular Force: Lowest vapor pressure: < < Highest vapor pressure 11.(12 pts) Ethanol (CH-OH, FW-46.08 g/mol) melts at -114 °C and boils at 78 °C. How much heat is...
A 13. (a) Which would have the stronger intermolecular force, CHA or Cla? Briefly explain your answer. V (b) CHa boils at 111 k while Cola boils at 350 K. Does this data support or contradict your answer to part (a)? Briefly explain eng point 14. Why does ethane (CH) have a higher boiling point (184 K) than methane (CH 111 K)? 163 Model III: Another set of boiling point data Substance Boiling point Boiling point HF Substance HO H...
Liquid Molar Mass (g/mol) Polarity (P, NP) Strongest type of Intermolecular Force Molecular structure Methanol Polar hydrogen bonds Ethanol Ipolar 1-Propanol polar 11-Butanol Ipolar n-Hexane Inon- polar n-Heptane Inon- I polar n-octane non- polar Acetone Polar 2- propanol polar 1. Which liquid tested has the strongest intermolecular forces? Justify your answer. (pt) Table 2 (15pes total) Minimum AT Initial Liquid temperature (°C) Methanol 17.8°C Ethanol 20+C |- Propanol 19.5°C 1-Butanol 19.8°C In-Hexane 18.4°C n-Heptane 20.7°C In-octane 19.4°C | Acetone 20.1.0...
Please explain your answer
Which of the following statements concerning molecular mechanics (MM) force fields is incorrect? Select one: O a. MM treats electrons implicitly and does not usually account for effects such as polarisation and charge transfer. O b. MM models chemical bonds as harmonic springs and cannot handle bond breaking or formation. O c. MM approximates the potential energy surface using simple analytic harmonic and periodic functions. d. MM is largely ab initio, i.e. parameter-free.
Show your work for all calculations, you MUST justify your answer to get credir. Answers should reflect the appropriate number of significant figures and include labels. 1 Answer the following questions about the enthalpy of reaction for the neutralization of HCL using NaOH: a. Report your experimentally measured molar enthalpy for this neutralization reaction below b. Write the ionic and also the net ionic equations for the reaction (include state symbols). Part I. Determination of the Heat Capacity of a...
1. For this reaction in parts A and B, calculate the heat of the
reaction using the following:
qrxn= -(MC^T + Ccal^T)
Ccalorimeter = 11.6 J/1*C
---------help answer rest if can :)----------
DATA FOR Part A.
Trial #
1
2
3
Mass of calorimeter
41.582 g
41.601 g
41.605 g
Mass of calorimeter+acid
68.857 g
66.832 g
70.596 g
Temperature(C) (acid)
22.0
21.6
21.8
Mass of weighboat
0.703 g
0.704 g
0.701 g
Mass of Mg+weighboat
0.768 g
0.752 g...
Chapter7 Magnetic Force Equipmentt Your equipment will include 5 tiny masses. For each mass that is lost, your group will lose 20% of the credit for this week's report. Learning Objectives In this week's activity, you will investigate the behavior of a permanent magnet in the presence of an ex- ternal magnetic field, created by a current, model and measure how the magnetic force changes as a function of dis- tance from a single coil, . determine the dipole moment...
A bicycle wheel has four firecrackers attached to it on opposite ends of the wheel's diameter, as shown in the figure to the right. When the firecrackers are lit, they release heated gas away from their front ends. The bicycle wheel is pivoted against a wall by its center of mass and is free to spin. a. Which way will the bicycle wheel spin when the firecrackers are lit? Explain using the torque right hand rule. b. What is the...
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