in which one of the following substances is the kinetic energy the smallest compared to the...

in which one of the following substances is the kinetic energy the smallest compared to the intermolecular (interparticle) attractive forces?

H2O(l)

NaCl(s)

CO2(s)

CO(g)

CH3OH(l)

Solutions

Expert Solution

Solids have less kinetic energy compared with liquids and gases

Order of Kinetic enrgy is

Solids < Liquids < Gases

More is the kinetic energy the molecules can easily escape from the solution

Here

CO2 and NaCl has smalles kinetic energy compared with intermolecular forces.(Covalent bonding and Ionic

bonding)

Next comes : H2O and CH3OH --> Among these two H2O has highest intermolecular forces because of two

hydrogen bonds where as in CH3OH only one hydrogen bond is present. and kinetic enrgy greater than solids

Next comes

CO gas ---> More kimetic enrgy and less attractive forces (vanderwaals force)

So answer is CO2 and NaCl solids hasve less kinetic energy compares to thier intermolecular forces

queen_honey_blossom answered 1 year ago

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