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Why do the molecules at the surface of water exhibit a stronger attraction inwards compared to those not at the surface?
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Which molecules is expected to exhibit diamagnetic behaviour?
A molecule is diamagnetic, if all the electrons are paired.
If atoms have a strong attraction of electrons what do they share with another atom exhibit?
I believe it is electronegativity
What special abilities do water molecules have because they are polar?
Because water molecules are polar, they exhibit both cohesion adhesive. They are cohesive because they stick to other water molecules, and adhesive because they also stick to other surfaces.
Observations of cancer cells in culture support the hypothesis that cancer cells?
a) do not exhibit density-dependent inhibitionb) produce molecules that inhibit the growth factors required for cell divisionc) exhibit anchorage dependenced) spend the majority of their time in the G(0) phasee) do all of the aboveANSWER: a) do not exhibit density-dependent inhibition
How is water a polar molecule in terms of electronegativity?
Polar molecules have a dipole moment and they have intermolecular forces that include dipole-dipole interaction. A hydrogen bond is the attraction between a hydrogen bonded to N, O, F atom with N, O, F lone pair. Small molecules that exhibit this effect are HF, H2O and NH3. The example molecules are all polar. The hydrogen bond interaction is stronger than a normal dipole-dipole interaction.
What is the relationship between a polarity and hydrogen bond?
Polar molecules have a dipole moment and they have intermolecular forces that include dipole-dipole interaction. A hydrogen bond is the attraction between a hydrogen bonded to N, O, F atom with N, O, F lone pair. Small molecules that exhibit this effect are HF, H2O and NH3. The example molecules are all polar. The hydrogen bond interaction is stronger than a normal dipole-dipole interaction.
Which statement is true regarding the motion of liquid water molecules and ice molecules?
Liquid water molecules exhibit a greater amount of motion than ice molecules.
What is the relationship between a polar molecule and hydrogen bond?
Polar molecules have a dipole moment and they have intermolecular forces that include dipole-dipole interaction. A hydrogen bond is the attraction between a hydrogen bonded to N, O, F atom with N, O, F lone pair. Small molecules that exhibit this effect are HF, H2O and NH3. The example molecules are all polar. The hydrogen bond interaction is stronger than a normal dipole-dipole interaction.
Which molecules is expected to exhibit diamagnetic behaviour?
A molecule is diamagnetic, if all the electrons are paired.
What is the tendency of polar water molecules to form hydrogen bonds between themselves?
Distantly at best. All molecules which form hydrogen bonds are polar, but there are far, far more polar molecules which do not exhibit hydrogen bonding than those which do.
Why mercury does not rise in capillary tubes?
A liquid has two properties (amongst many) called cohesion and adhesion. Cohesion is the force of attraction between molecules/atoms of the liquid itself. Adhesion is the force of attraction between the molecules/atoms of the liquid and other substances. Therefore, if the molecules' attraction for another substance is greater than the attraction between the molecules, the molecules will preferentially interact with the other substance. When you have a substance that is more attracted to the walls of a capillary tube than itself (i.e. adhesion > cohesion), the substance will exhibit capillary action and form a concave meniscus. Mercury, however, has a stronger cohesive force between its atoms than adhesive force to the walls of a capillary tube, and therefore will not preferentially interact with the tube, thus not demonstrating capillary action and forming a convex meniscus. Curved surfaces have a higher pressure (called LaPlace pressure) on the concave side of the curve than on the convex side. Because mercury has a convex meniscus it has a lower LaPlace pressure in the capillary than the surrrounding liquid. It will therefore show a capillary drop rather than the more common capillary rise seen with materials that have a concave meniscus like water.
If atoms have a strong attraction of electrons what do they share with another atom exhibit?
I believe it is electronegativity
Type of bonding water molecules exhibit?
Within the molecule itself, water exhibits ionic bonding. Between the water molecules, there is hydrogen bonding.
Which element is found in your blood?
Fe, iron. This is the element that hemoglobin molecules carry through the blood. A deficit of iron in the blood is called anemia.
What special abilities do water molecules have because they are polar?
Because water molecules are polar, they exhibit both cohesion adhesive. They are cohesive because they stick to other water molecules, and adhesive because they also stick to other surfaces.
Observations of cancer cells in culture support the hypothesis that cancer cells?
a) do not exhibit density-dependent inhibitionb) produce molecules that inhibit the growth factors required for cell divisionc) exhibit anchorage dependenced) spend the majority of their time in the G(0) phasee) do all of the aboveANSWER: a) do not exhibit density-dependent inhibition
How could you depict the invisible electrostatic force in a museum exhibit?
Easy, use magnetic fields with pins and needles. The electromagnetic attraction would pull or push the pins to in a direction.
