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Molecules that have strong intermolecular forces are held together more strongly. In order for a substance to boil, it's molecules must separate and gain energy. Because molecules with stronger intermolecular forces are held together more strongly it takes more energy to move them apart, hence the higher boiling point
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How does polarising power effect boiling point?
Polar molecules have relatively weak intermolecular forces. Intermolecular forces and boiling point have a direct relationship, so due to the fact that polar molecules have weak forces, their boiling points will be lower.
Do gases have a low boiling point?
Gases have a low boiling point because they have weak intermolecular forces that allow them to easily overcome attractive forces and transition to the gaseous phase at relatively low temperatures.
Which molecular solid would have the lowest boiling point?
One with induced dipole attractions
Why is the boiling point of water higher than the boiling point of argon?
Argon is a monoatomic gas, held by weak van der Waals forces of attraction. Water is a polar covalent molecule held together by stronger hydrogen bonds and hence have higher boiling point than argon
Why does oxygen have a low boiling point?
Oxygen has a low boiling point because it is composed of small, diatomic molecules held together by weak intermolecular forces. These weak forces are easily overcome by heat, causing oxygen to change from a liquid to a gas at a relatively low temperature of -183 degrees Celsius.
Why does sulfur dioxide have low boiling point?
Sulfur dioxide has a low boiling point because it is a small molecule with weak intermolecular forces. The forces holding sulfur dioxide molecules together are relatively weak, requiring less energy to break and therefore resulting in a lower boiling point compared to compounds with stronger intermolecular forces.
How does polarising power effect boiling point?
Polar molecules have relatively weak intermolecular forces. Intermolecular forces and boiling point have a direct relationship, so due to the fact that polar molecules have weak forces, their boiling points will be lower.
Do gases have a low boiling point?
Gases have a low boiling point because they have weak intermolecular forces that allow them to easily overcome attractive forces and transition to the gaseous phase at relatively low temperatures.
Why hexane boiling point is low?
The boiling point of any compound is determined by how much energy it takes to break apart the intermolecular bonds. C6H14 has very low intramolecular forces compared to the polar bonds of another compound, such as water.
Which molecular solid would have the lowest boiling point?
One with induced dipole attractions
Why is the boiling point of water higher than the boiling point of argon?
Argon is a monoatomic gas, held by weak van der Waals forces of attraction. Water is a polar covalent molecule held together by stronger hydrogen bonds and hence have higher boiling point than argon
Why does oxygen have a low boiling point?
Oxygen has a low boiling point because it is composed of small, diatomic molecules held together by weak intermolecular forces. These weak forces are easily overcome by heat, causing oxygen to change from a liquid to a gas at a relatively low temperature of -183 degrees Celsius.
What molecule has the lowest boiling point Na3P NaF MgO C2H2?
C2H2 (acetylene) has the lowest boiling point among the molecules listed. This is because it is a small, nonpolar molecule with weak intermolecular forces, which results in low boiling point.
Why does sulfur hexafluoride have a low boiling point?
Sulfur hexafluoride has a low boiling point of -64 degrees Celsius due to its weak intermolecular forces. The molecules are held together by relatively weak van der Waals forces, which allows them to break apart easily at low temperatures, leading to the low boiling point.
What indicates the presence of weak intermolecular forces in a liquid?
A low boiling point, high vapor pressure, and low viscosity are indicators of weak intermolecular forces in a liquid. These properties suggest that the molecules in the liquid are easily separated and can escape into the gas phase more readily.
What inter molecular force would affect the boiling point the least?
London dispersion forces would generally affect the boiling point the least among intermolecular forces. These forces are relatively weak and depend on the size of the molecules involved rather than their polarity. Hydrogen bonding, dipole-dipole interactions, and ion-dipole interactions are typically stronger and contribute more significantly to the boiling points of substances.
How do intermolecular forces in ethane contribute to its physical properties?
Intermolecular forces in ethane, such as London dispersion forces, affect its physical properties by influencing its boiling point, melting point, and overall stability. These forces are weak compared to covalent bonds but play a significant role in determining the behavior of ethane as a gas at room temperature.
