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nitrogen
If "heavier than" in the question is interpreted to mean "has an atomic mass greater than", the answer is nitrogen
You are talking about a natural isotope of nitrogen i.e Nitrogen-15 which has atomic number same as nitrogen (7) ans mass number 1 greater than standard nitrogen (i.e 15 as Nitrogen's mass no. is 14). Nitrogen-15 has i neutron more than standard nitrogen
There are two reasons for this; {1} boiling point: Tthe boiling point of water is greater than that of ether. So when the boiling point is greater then the vapour pressure will be low. {2} intermolecular forces: The second is intermolecular forces. When intermolecular forces are greater then the the boiling point will be greater and if boiling point is greater then the vapor pressure will be low. The inter molecular forces of water is greater than that of ether and so the vapour pressure will be low and and boiling point will be greater.
Dipoles are a form of intermolecular force which holds molecules together. The greater the intermolecular force, usually the greater the boiling point, for example.
nitrogen
If "heavier than" in the question is interpreted to mean "has an atomic mass greater than", the answer is nitrogen
The boiling point is not changed.
You are talking about a natural isotope of nitrogen i.e Nitrogen-15 which has atomic number same as nitrogen (7) ans mass number 1 greater than standard nitrogen (i.e 15 as Nitrogen's mass no. is 14). Nitrogen-15 has i neutron more than standard nitrogen
Compared to 250 g of gaseous nitrogen 250g of liquid nitrogen has greater density, viscosity, surface tension, and commercial value.
nitrogen is lighter than oxygen
water max boiling is 100 c. and diesel max boiling is 365 c.
Summer.
The water with solved ions has greater boiling point. The dissolved salts increase the boiling point of water.
There are two reasons for this; {1} boiling point: Tthe boiling point of water is greater than that of ether. So when the boiling point is greater then the vapour pressure will be low. {2} intermolecular forces: The second is intermolecular forces. When intermolecular forces are greater then the the boiling point will be greater and if boiling point is greater then the vapor pressure will be low. The inter molecular forces of water is greater than that of ether and so the vapour pressure will be low and and boiling point will be greater.
Dipoles are a form of intermolecular force which holds molecules together. The greater the intermolecular force, usually the greater the boiling point, for example.
1150c