1a. Please review Data Table #2 and check the information that has been filled in for accuracy/fill in the remaining information that has not been completed.
1b. Based on your temperature measurements, which molecule seems to have the strongest intermolecular forces? What is/are the force(s) in that particular molecule? Use your data to explain your reasoning.
1c. Which seems to have the weakest intermolecular forces? What is/are the force(s) in that particular molecule? Use your data to explain your reasoning.
1d. In an experiment with the same constants you used in your lab, a lab partner finds that methyl alcohol (CH3OH) will exhibit a lowest temperature of 5.3 degrees Celsius. Based on this data and isopropyl alcohol (C3H7OH) data, what range of temperatures would you predict ethyl alcohol (C2H5OH) to come to if we had used it in this lab. Explain your reasoning.
1e. For each of the molecules in Data Table #2 that exhibits hydrogen bonding, copy the molecule below and highlight or circle the hydrogens that are able to hydrogen bond.
1f. If you were to take 5 mL of each of your tested liquids (water, isopropyl alcohol, acetone, and ethyl acetate) and place them in sample cups on the counter, which would evaporate first? Which would be the last to remain as a liquid? Explain your reasoning based on your experimental data.
1g. Identify the intermolecular forces in CH3OH.
1h. What type of substance is brittle, does not conduct electricity as a solid but does when molten, and has a melting point of 2072°C?
Data Table #1:
Data Table #2:
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1a. Please review Data Table #2 and check the information that
has been filled in for...
2. Identify the strongest type of intermolecular forces in acetone, ethanol, water and hexane. (Structures listed...
2. Identify the strongest type of intermolecular forces in acetone, ethanol, water and hexane. (Structures listed on page 15.) Experiment 2 Intermolecular Forces There are three general types of intermolecular forces. All substances exhibit London Dispersion Forces (LDF), and they are generally the weakest of the three types. These London forces are due to the attractions between small, temporary dipoles that arise from the constant, random movement of the electrons in a substance. As molar mass increases, the size of...
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...
Applications 5.91 Would behave more like an ideal gas at Skor SOK? Explain your reasoning. 592...
Applications 5.91 Would behave more like an ideal gas at Skor SOK? Explain your reasoning. 592 Would co behave more like an ideal gas at 2 atm or 20 atm? Explain your reasoning. The Liquid State Foundations 5.93 Compare the strength of intermolecular forces in liquids with those in gases. Compare the strength of intermolecular forces in liquids with those in solids. What is the relationship between the temperature of a liquid and the vapor pressure of that liquid? 5.96...
hi team! could i have some help filling in the blanks? Also, could you please double-check...
hi team! could i have some help filling in the blanks? Also,
could you please double-check my answers at the bottom of the
page?
info:
mass of filter paper + weigh boat = 3.051 g
mass of filter paper + weigh boat + dry aspirin = 4.971
g
mass of aspirin = 1.92 g
Data and Results: Preparation of Aspirin Section Mass of salicylic acid used Volume of acetic anhydride used Mass of acetic anhydride used (density = 1.08 g/mL.)...
check each statement about the temperature, check each item that is a unit of pressure, which...
check each statement about the temperature, check each item that is
a unit of pressure, which of the following pairs of substances are
held together by hudrogen bonds, multiple choice, name the phase
16. Check each true statement about the temperature 0 K. The K stands for kilo. The K stands for Kelvin. This is a temperature that is suitable for biological processes. It is absolute zero. This temperature is the middle of the Kelvin scale. This is the coldest...
INTERMOLECULAR FORCES INTRODUCTION LEARNING OBJECTIVES To relate the effecet of intermolecular fo...
INTERMOLECULAR FORCES INTRODUCTION LEARNING OBJECTIVES To relate the effecet of intermolecular forces on relative melting points and vapour pressures of some organic substances THEORY Weak attractive forces that occur between individual molecules in substances are called intermolecular forces. These include London dispersion forces, dipole-dipole forces and hydrogen-bonding forces. Collectively, the three types of intermolecular forces are referred to as Van der Waals forces. These attractive forces are much weaker than the chemical bonds between atoms in a molecule. Note that...
Introductions to Molecules: Bond polarity and hydrocarbons data table 3 + activity 2 Data Table 3...
Introductions to Molecules: Bond polarity and hydrocarbons data
table 3 + activity 2
Data Table 3 Straight-Chained Hydrocarbons General Formula Type of Bonding Class Alkanes Alkenes Alkynes Bond Strength Shape Rotation of Bonds Structural Example 3- dimension Formula al Structure H H H-C-C-H H H Ethane CHs H Ethene CH H-C C-H Ethyne CaHi Structural Isomers of C H40 HHH H-C-C-C- H HHHH H -C-H H-C-C-C 1 HHHH 5 Isomers of C.H Molecule 2 CH Molecule 3 Molecule 1 HH...
please help with C, D and E and explain how you got your answers. Indicates a required field. FORUM DESCRIPTION Dire...
please help with C, D and E and explain how you got your
answers.
Indicates a required field. FORUM DESCRIPTION Directions: answer the following questions in detail. Acetone, is a clear liquid solvent with an acrid odor, is used to remove nail polish, paints, and resins. It has a low boiling point and is highly flammable. Acetor g/mL a. What is the molecular formula of acetone? b. What is the molar mass of acetone? c. Identify the bonds C-C, C-H,...
A material has been creep tested and the data in the table below has been obtained...
A material has been creep tested and the data in the table below has been obtained 1. Using the data given, a. Estimate the steady state creep rate at temperature of 500°C and stress of 500 MPa. (5 marks) D. Estimate the time to failure for a sample Under a stress of 625 MPa at 500°C (5 marks) T (Celcius) Stress (Mpa) Stage 2 Creep Rate (1/h) Time to failure (h) 650 650 650 675 675 675 700 700 700...
Please help me solve page 2 and 3 Data Table 1 Mixture 4 Mixture1 Mixture 2...
Please help me solve page 2
and 3
Data Table 1 Mixture 4 Mixture1 Mixture 2 Mixture 3 Volume of 4.00M Acetone (C3H6O) Volume of 1.0OM HCI Volume of 0.00500M I Volume of H20 10.0ml 20.0mL 10.0mL 10.0mL 10.0mL 20.0mL 10.0mL 10.0mL 5.0mL 10.0ml 10.0mL 10.0mL 10.0mL 25.0mL 10.0mL 20.0mL 50.0mL 50.0mL Total Volume (mL) 50.0mL 50.0mL ec 2.07m4.2 sec 2-24 mi21344s 24-8 5%0 4-51 mine 270-66e 241 218K-24-852 Reaction Time (s) 24-65C 24 850C Mixture Temperature (°C) Concentration and...
2. Identify the strongest type of intermolecular forces in acetone, ethanol, water and hexane. (Structures listed on page 15.) Experiment 2 Intermolecular Forces There are three general types of intermolecular forces. All substances exhibit London Dispersion Forces (LDF), and they are generally the weakest of the three types. These London forces are due to the attractions between small, temporary dipoles that arise from the constant, random movement of the electrons in a substance. As molar mass increases, the size of...
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...
Applications 5.91 Would behave more like an ideal gas at Skor SOK? Explain your reasoning. 592 Would co behave more like an ideal gas at 2 atm or 20 atm? Explain your reasoning. The Liquid State Foundations 5.93 Compare the strength of intermolecular forces in liquids with those in gases. Compare the strength of intermolecular forces in liquids with those in solids. What is the relationship between the temperature of a liquid and the vapor pressure of that liquid? 5.96...
hi team! could i have some help filling in the blanks? Also,
could you please double-check my answers at the bottom of the
page?
info:
mass of filter paper + weigh boat = 3.051 g
mass of filter paper + weigh boat + dry aspirin = 4.971
g
mass of aspirin = 1.92 g
Data and Results: Preparation of Aspirin Section Mass of salicylic acid used Volume of acetic anhydride used Mass of acetic anhydride used (density = 1.08 g/mL.)...
check each statement about the temperature, check each item that is
a unit of pressure, which of the following pairs of substances are
held together by hudrogen bonds, multiple choice, name the phase
16. Check each true statement about the temperature 0 K. The K stands for kilo. The K stands for Kelvin. This is a temperature that is suitable for biological processes. It is absolute zero. This temperature is the middle of the Kelvin scale. This is the coldest...
INTERMOLECULAR FORCES INTRODUCTION LEARNING OBJECTIVES To relate the effecet of intermolecular forces on relative melting points and vapour pressures of some organic substances THEORY Weak attractive forces that occur between individual molecules in substances are called intermolecular forces. These include London dispersion forces, dipole-dipole forces and hydrogen-bonding forces. Collectively, the three types of intermolecular forces are referred to as Van der Waals forces. These attractive forces are much weaker than the chemical bonds between atoms in a molecule. Note that...
Introductions to Molecules: Bond polarity and hydrocarbons data
table 3 + activity 2
Data Table 3 Straight-Chained Hydrocarbons General Formula Type of Bonding Class Alkanes Alkenes Alkynes Bond Strength Shape Rotation of Bonds Structural Example 3- dimension Formula al Structure H H H-C-C-H H H Ethane CHs H Ethene CH H-C C-H Ethyne CaHi Structural Isomers of C H40 HHH H-C-C-C- H HHHH H -C-H H-C-C-C 1 HHHH 5 Isomers of C.H Molecule 2 CH Molecule 3 Molecule 1 HH...
please help with C, D and E and explain how you got your
answers.
Indicates a required field. FORUM DESCRIPTION Directions: answer the following questions in detail. Acetone, is a clear liquid solvent with an acrid odor, is used to remove nail polish, paints, and resins. It has a low boiling point and is highly flammable. Acetor g/mL a. What is the molecular formula of acetone? b. What is the molar mass of acetone? c. Identify the bonds C-C, C-H,...
A material has been creep tested and the data in the table below has been obtained 1. Using the data given, a. Estimate the steady state creep rate at temperature of 500°C and stress of 500 MPa. (5 marks) D. Estimate the time to failure for a sample Under a stress of 625 MPa at 500°C (5 marks) T (Celcius) Stress (Mpa) Stage 2 Creep Rate (1/h) Time to failure (h) 650 650 650 675 675 675 700 700 700...
Please help me solve page 2
and 3
Data Table 1 Mixture 4 Mixture1 Mixture 2 Mixture 3 Volume of 4.00M Acetone (C3H6O) Volume of 1.0OM HCI Volume of 0.00500M I Volume of H20 10.0ml 20.0mL 10.0mL 10.0mL 10.0mL 20.0mL 10.0mL 10.0mL 5.0mL 10.0ml 10.0mL 10.0mL 10.0mL 25.0mL 10.0mL 20.0mL 50.0mL 50.0mL Total Volume (mL) 50.0mL 50.0mL ec 2.07m4.2 sec 2-24 mi21344s 24-8 5%0 4-51 mine 270-66e 241 218K-24-852 Reaction Time (s) 24-65C 24 850C Mixture Temperature (°C) Concentration and...
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