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Which of the following molecules would have the most unsymmetrical attractive forces Br2 H2O HF F2 H2?
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∙ 10y ago
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∙ 10y ago
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Which of the following are influenced by the attractive forces between the atoms ions or molecules in a substance?
For example:- melting point- boiling point- electrical resistivity- hardness- density
Why does a liquids evaporation rate increases when liquid is heated?
More molecules have enough energy to overcome the attractive forces holding them in the liquid.
What characteristic would make a gas non ideal?
The gas molecules interact with one another
What are three type of weak attractive forces that hold groups of molecules together?
At first place, I think you mean the "INTRAMOLECULAR FORCES" which keep the compounds stable which are not weak.They areIONIC, CO-VALENT & METALLIC forcesWhereas,the weak attractive forces are called "INTER-MOLECULAR FORCES" which keep the different molecules together either due attraction or repulsion between the neighboring particles (could be ions, atoms or molecule).They are 4 types:Dipol - DipolIon -DipolDebye forces (Dipol - induced dipol)London dispersion forces (instantaneous)
Why do the melting and boiling points of a particular subsatnce vary?
It is because the intermolecular forces(the attractive forces between the molecules of a substance) differ from one substance to another. The chemical with the stronger intermolecular forces will have higher melting and boiling points, and vice versa. This is because more energy is required to separate the molecules to melt or boil the substance, if the forces are strong. The factors that determine the size of these forces are :the type of bonding in the molcules, andthe mass of the molecules.
The attractive forces binding the molecules of a solid can be weakened by?
The attractive forces between molecules can be weakened by supplying them with heat energy.
What is the attractive forces between like molecules?
Cohesive force is the attractive force between like molecules. Cohesive forces are also known as intermolecular forces and can also be repulsion forces.
What are the attractive forces between gas molecules?
gravity, no jk
What are valence forces?
Molecules that interact chemically have attractive exchange forces; these are also known as valence forces
Which of the following are influenced by the attractive forces between the atoms ions or molecules in a substance?
For example:- melting point- boiling point- electrical resistivity- hardness- density
What is the weak attractive forces which exist between water molecules?
almost positive they are Vander waals forces
Van Der Waals Forces Are Attractive Forces Between Molecules?
Van der waals forces (ie induced dipole-dipole interactions) is a weak intermolecular attraction that exist but one molecule and another whether polar or non-polar.
Why does silver iodide melt faster than vanillin?
The attractive forces holding the molecules of silver iodide together (intermolecular forces) are stronger than those in vanillin, therefore they require more energy to break them. The attractive forces between two molecules of silver iodide are much stronger than the attractive forces between two molecules of vanilin. This is due to the different types of bonds found in each molecule - silver iodide molecules contain ionic bonds, which are very strong, while vanilin molecules contain covalent bonds which are a lot weaker. Since the attractive forces are higher in silver iodide, it requires a lot more energy (i.e. heat) to break these attractive forces in order to melt silver iodide, therefore it has a much higher melting point than vanilin. The bonding of atoms.
Responsible for the surface tension of water?
Strong attractive forces (hydrogen bonding) among the water molecules.
When molecules on a material exerts attractive forces on each other gravity exerts a what?
I think that gravity exerts an attractive force that gives the material potential energy.
Are cohesive forces greater than adhesive forces?
yes, as the molecular force is attractive at larger distance apart in case of similar molecules rather than dissimilar molecules. Kamal panda_kamal@rediff.com
Why is E-stilbene solid and Z-stilbene liquid?
The attractive forces between the molecules in E-stilbene must be stronger than the attractive forces holding Z-stilbene together. The degree of attraction between molecules in a substance always accounts for its state of matter at a given temperature.
