When changing states, only the intermolecular forces are considered, which, in water's case are hydrogen bonds. In order to go from solid to liquid to gas, the hydrogen bonds between the water molecules must be weakened to a certain degree that allows the molecules to spread further apart in liquids, and must be broken altogether to separate the molecules in order to turn it into gas.
Therefore, the answer is d.
The reason it is not the covalent bonds within molecules (despite the fact that it will turn water into a gas, it’s not water vapour, but hydrogen and oxygen gas) is that when bonds within a molecule are broken, this is called decomposition and it is a CHEMICAL change. Changing states is only a PHYSICAL change.
It is not ionic because water has covalent bonds.
Hydrogen bonds can only occur BETWEEN molecules (intermolecular forces).
Covalent bonds can only occur WITHIN molecules (intramolecular).
Answer:
heating point for water - 100°
1 mole ----------------- 6.02 x 10²³ molecules
10.0 moles ----------- ( molecules C2H6O)
molecules = 10.0 x ( 6.02 x 10²³ ) / 1
molecules = 6.02 x 10²⁴ / 1
= <span> 6.02 x 10²⁴ molecules of C2H6O
</span>
The correct answer to the problem is 0.193 which is three significant figures.
<h3>What are significant figures?</h3>
The term significant figures has to do with the figures that have a mathematical meaning. We know that the result has to correspond to the highest number of significant figures.
Hence, If we multiply 0.34 x 0.568 the result ought to be recorded as 0.193 which is three significant figures.
Learn more about significant figures:brainly.com/question/14804345
#SPJ1
Lose 1 electron
It will give it to an atom with more electrons. For example, Lithium (which has 1 valence electron) would give it to an atom that has more than 4 valence electrons