Dr Bob Although helium atoms do not combine to form He2 molecules
Although helium atoms do not combine to form He2 molecules. is it true to say that He atoms are weakly attracted to one another from London dispersion forces (induced dipole forces) or is there another force at play?
It cant be Hydrogen bonding(there is no hydrogen here)
it cant be dipole induced dipole forces or ion-dipole forces or even dipole-dipole forces can it ??
Can you clarify for me please
Thanks
Andy
Homework Answers
urgent help!!!! 31. Helium atoms do not combine to form Hemolecules, yet He atoms do attract...
urgent help!!!!
31. Helium atoms do not combine to form Hemolecules, yet He atoms do attract one another weakly through A) dipole-dipole forces. B) ion-dipole forces. C) dispersion forces. D) dipole-induced dipole forces. E) hydrogen bonding. 32. Copper crystallizes in a face-centered cubic unit cell. The density of copper is 8.94 g/cm'. Calculate the length of the edge of the unit cell in pm. 33. The heat capacity of liquid water is 4.18 J/g.°C and the heat of vaporization is...
If I have a chlorine molecule, what forces can I expect to find between the atoms?...
If I have a chlorine molecule, what forces can I expect to find between the atoms? A. hydrogen bonding B. ion-dipole forces C. London dispersion forces D. dipole-dipole forces
1. Select the two compounds that are more likely to be a gas at room temperature...
1. Select the two compounds that are more likely to be a gas at room temperature (as opposed to a liquid). CH4 CH3OH C2H6 H2O 2. The separation of charges within a polar molecule is called a(n) ________. polar bond strong attraction dipole ionic bond dipole-dipole 3. Which of the following intermolecular forces best describes why nonpolar molecules like gasoline (C8H18) have only limited solubility in water? dipole-dipole ion-dipole Both dipole-dipole and induced dipole-induced dipole induced dipole-induced dipole dipole-induced dipole...
Question 7 0.125 / 0.25 points The physical properties of a pure sample relate to the...
Question 7 0.125 / 0.25 points The physical properties of a pure sample relate to the strength of the interactions between individual species. You need to be able to identify all interactions a chemical species can have with itself. Choose from the forces listed below of those that would be present between two molecules of CH3CH2CHO ? ion - induced dipole hydrogen bonding london dispersion forces dipole - dipole Hide Feedback ions must be present to have ion-induced dipoles. Yes,...
4. How much energy is needed to convert 64.09 grams of water at 100.°C to steam...
4. How much energy is needed to convert 64.09 grams of water at 100.°C to steam at 128.40 °C? specific heat (steam) = 2.09 J/g°C specific heat (water) = 4.18 J/g°C heat of fusion = 6.02 kJ/mol heat of vaporization = 40.6 kJ/mol 144.42 kJ 25.21 kJ 152.03 kJ 3.80 kJ 148.23 kJ 5. The charges with sodium chloride are all balanced-for every positive sodium ion there is a corresponding negative chloride ion. Since its charges...
Ap-type material can be made if pure germanium is doped with Silicon Arsenic Gallium Carbon Which...
Ap-type material can be made if pure germanium is doped with Silicon Arsenic Gallium Carbon Which of these materials provides an example of an ionic crystalline solid? SIC SrCl2 C60 Which of the followings statements is true of dipole-dipole interactions? They are stronger than dispersion forces. They are also referred to as London forces. They are also referred to as instantaneous dipole-induced dipole forces. They are based on transient dipoles. Which pair of atoms is most likely to be involved...
The most significant non-covalent intermolecular force between water molecules is: O hydrogen bonding O ionic bonding...
The most significant non-covalent intermolecular force between water molecules is: O hydrogen bonding O ionic bonding o dipole-dipole O ion-dipole O London dispersion forces QUESTIONS The physical state change process by which a gas is converted to a solid is called: O A condensation B. deposition oc. sublimation O D. freezing O E vaporization QUESTION 9 How many moles of oxygen atoms are contained in 2.0 moles of oxygen 02 gas? OA 3 OBO O C2 O 0.1 O E.4
15. Select all intermolecular forces experienced between molecules in a pure sample of the following compound....
15. Select all intermolecular forces experienced between
molecules in a pure sample of the following compound. Remember
these are line diagrams so hydrogen and carbon are not explicitly
indicated with H and C and hydrogen atoms are not indicated if on a
carbon atom. Also, lone electron pairs are not drawn either.
16. Select the dominant intermolecular force experienced between
molecules in a pure sample of the following compounds. Remember
these are line diagrams so hydrogen and carbon are not...
You dont have to do all. Whatever you can do is appreciated CsCl erystallizes in a...
You dont have to do all. Whatever you can do is appreciated
CsCl erystallizes in a unit cell that contains a Cst ion at the center of a cube and a Clion at each corner. The unit cell of CsCl is 5. A) close packed B) body-centered cubic C) face-centered cubic D) amorphous E) primitive cubic 6. What fraction of the volume of each corner atom is actually within the volume of a face- centered cubic unit cell? A) 1...
1) What is the main intramolecular force between two molecules of propanoic acid? A) hydrogen bonding...
1) What is the main intramolecular force between two molecules of propanoic acid? A) hydrogen bonding B) London dispersion forces C) dipole-dipole interaction D) induced dipole interactions 2) Acetyl chloride undergoes nucleophilic acyl substitution faster than methyl acetate because A) methoxide ion is a better leaving group than chloride ion. B) the ester is more sterically hindered than the acyl chloride. C) chloride ion is a better leaving group than methoxide ion. D) esters hydrolyze faster than acid chlorides. 3)...
urgent help!!!!
31. Helium atoms do not combine to form Hemolecules, yet He atoms do attract one another weakly through A) dipole-dipole forces. B) ion-dipole forces. C) dispersion forces. D) dipole-induced dipole forces. E) hydrogen bonding. 32. Copper crystallizes in a face-centered cubic unit cell. The density of copper is 8.94 g/cm'. Calculate the length of the edge of the unit cell in pm. 33. The heat capacity of liquid water is 4.18 J/g.°C and the heat of vaporization is...
If I have a chlorine molecule, what forces can I expect to find between the atoms? A. hydrogen bonding B. ion-dipole forces C. London dispersion forces D. dipole-dipole forces
Question 7 0.125 / 0.25 points The physical properties of a pure sample relate to the strength of the interactions between individual species. You need to be able to identify all interactions a chemical species can have with itself. Choose from the forces listed below of those that would be present between two molecules of CH3CH2CHO ? ion - induced dipole hydrogen bonding london dispersion forces dipole - dipole Hide Feedback ions must be present to have ion-induced dipoles. Yes,...
Ap-type material can be made if pure germanium is doped with Silicon Arsenic Gallium Carbon Which of these materials provides an example of an ionic crystalline solid? SIC SrCl2 C60 Which of the followings statements is true of dipole-dipole interactions? They are stronger than dispersion forces. They are also referred to as London forces. They are also referred to as instantaneous dipole-induced dipole forces. They are based on transient dipoles. Which pair of atoms is most likely to be involved...
The most significant non-covalent intermolecular force between water molecules is: O hydrogen bonding O ionic bonding o dipole-dipole O ion-dipole O London dispersion forces QUESTIONS The physical state change process by which a gas is converted to a solid is called: O A condensation B. deposition oc. sublimation O D. freezing O E vaporization QUESTION 9 How many moles of oxygen atoms are contained in 2.0 moles of oxygen 02 gas? OA 3 OBO O C2 O 0.1 O E.4
15. Select all intermolecular forces experienced between
molecules in a pure sample of the following compound. Remember
these are line diagrams so hydrogen and carbon are not explicitly
indicated with H and C and hydrogen atoms are not indicated if on a
carbon atom. Also, lone electron pairs are not drawn either.
16. Select the dominant intermolecular force experienced between
molecules in a pure sample of the following compounds. Remember
these are line diagrams so hydrogen and carbon are not...
You dont have to do all. Whatever you can do is appreciated
CsCl erystallizes in a unit cell that contains a Cst ion at the center of a cube and a Clion at each corner. The unit cell of CsCl is 5. A) close packed B) body-centered cubic C) face-centered cubic D) amorphous E) primitive cubic 6. What fraction of the volume of each corner atom is actually within the volume of a face- centered cubic unit cell? A) 1...
1) What is the main intramolecular force between two molecules of propanoic acid? A) hydrogen bonding B) London dispersion forces C) dipole-dipole interaction D) induced dipole interactions 2) Acetyl chloride undergoes nucleophilic acyl substitution faster than methyl acetate because A) methoxide ion is a better leaving group than chloride ion. B) the ester is more sterically hindered than the acyl chloride. C) chloride ion is a better leaving group than methoxide ion. D) esters hydrolyze faster than acid chlorides. 3)...
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