What is the Ionic Equation and Net Ionic Equation for BaCl2 + Al2(SO4)=> 3Ba(SO4) + 2AlCl3?
1 answer:
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Explanation:
From the attached phase diagram, one can easily make out the phase in which water exists. Matter generally exists in three physical states which are solid, liquid and gas. Water is a unique compound that can exists in these three states at a given temperature and pressure.
From the attached phase diagram,
- point O is the triple point where the three phases of pure substance co-exists.
- The areas between the curves points at a single phase of matter. Y is a water vapor.
- The lines on the curve denotes two equilibrium phases. For example; X is a phase contain ice and melt water.
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the electrostatic forces are larger than the gravitational force
Explanation:
Let's do the calculation by using two molecules of hydrogen, each containing 2 atoms of hydrogen.
The gravitational force between the two molecules is given by:
where
is the gravitational constant
m1 and m2 are the masses of the two molecules: since they are identical,
, twice the mass of the proton
r is the distance between the two molecules
The force can be rewritten as
We can assume instead that electrostatic force between the two molecules is given by the interaction between the positively charged nuclei and the neatively charged electrons. Therefore,
where
is the Coulomb's constant
is the magnitude of the charge of each molecule, where
is the fundamental charge
r is the distance between the two molecules
So the force can be rewritten as
Therefore, the ratio between the two forces is:
So, the electrostatic forces are larger than the gravitational force.
Learn more about electric force:
Learn more about gravitational force:
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