When liquid water evaporates, its composition remains the same. The environment has an impact on the intermolecular forces, but the chemical intramolecular forces within the water molecule are unaffected.
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What are intramolecular and intermolecular forces?</h3>
Three states of water have the same chemical behavior as two HH atoms bonded to one OO atom because intramolecular interactions exist within (within) the molecule. When intramolecular forces are broken, the substance's identity might be changed.
The physical behavior of the matter varies depending on its condition as the strength fluctuates from one state to another due to the intermolecular forces that exist between (outside) the molecules (kinetic and potential energy). We do not alter the composition of the substance when the intermolecular interactions are broken.
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Answer:
A and B
Explanation:
The ionic bond is formed when there is large electronegativity difference is present between the bonded atoms.
Ionic bond:
It is the bond which is formed by the transfer of electron from one atom to the atom of another element.
Both bonded atoms have very large electronegativity difference. The atom with large electronegativity value accept the electron from other with smaller value of electronegativity.
For example:
Sodium chloride is ionic compound. The electronegativity of chlorine is 3.16 and for sodium is 0.93. There is large difference is present. That's why electron from sodium is transfer to the chlorine. Sodium becomes positive and chlorine becomes negative ion. Both atoms are bonded together electrostatic attraction occur between anion and cations.
Now we will calculate the electronegativity difference between given atoms.
A -B (3.44 - 0.79)
A - B (2.65)
B - C (1.8 -0.79)
B - C (1.01)
A - D (3.44 - 1.8)
A - D (1.64)
C - D (2.0 - 1.8)
C - D (0.2)
So, A and B are most likely to form ionic bond.
Answer:
C. 2.
Explanation:
The total reaction order of this reaction is second order (2). For a second order reaction ,the rate depends on two variable concentration terms which may or may not be same.
Given that:
Two reactants combine to form a product in the reaction A + B → C
The above reaction is bimolecular as two molecules are involved in the reaction.
If 
and 
are the concentrations of A and B respectively at any time t, then assuming that the reaction is of first order with respect to both A and B , the overall order is second and the reaction rate is given by:
where;
= specific rate constant for a second order reaction and becomes the rate of the reaction when both and are unity.
This waz the only question that showed up
Answer:
C; ΔSuniv>0
Explanation:
In this question, we want to select which of the options must be true.
What we should understand is that for a process to be spontaneous, the change in entropy must be greater than 0 i.e the change in entropy must be positive.
Looking at the options we have; option C is the correct answer.
Option B looks correct but it is wrong. This is because if change in universal entropy is greater than zero, then change in Gibbs free energy must be less than zero for spontaneity to occur
