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1 answer:
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Answer:
Amount of produced will be half of its original value.
Explanation:
Balanced reaction:
According to balanced equation, 1 mol of HCl reacts with 1 mol of NaOH to produce 1 mol of
If amount of reactants (NaOH and HCl) are halved then we can write-
0.5 mol of HCl reacts with 0.5 mol of NaOH to produce 0.5 mol of .
So, it is evident that amount of to be produced will be half if amount of reactants are halved.
Answer :
(a) The entropy change will also decreases.
(b) The entropy change will also increases.
(c) The entropy change will also decreases.
(d) The entropy change will also increases.
Explanation :
Entropy : It is defined as the measurement of randomness or disorderedness in a system.
The order of entropy will be,
As we are moving from solid state to liquid state to gaseous state, the entropy will be increases due to the increase in the disorderedness.
As we are moving from gaseous state to liquid state to solid state, the entropy will be decreases due to the decrease in the disorderedness.
(a)
In this reaction, the randomness of reactant molecules are more and as we move towards the formation of product the randomness become less that means the degree of disorderedness decreases. So, the entropy change will also decreases.
(b)
In this reaction, the randomness of reactant molecules are less and as we move towards the formation of product the randomness become more that means the degree of disorderedness increase. So, the entropy change will also increases.
(c)
In this reaction, 3 mole of gaseous react to give 1 mole of gaseous
that means randomness become less that means the degree of disorderedness decreases. So, the entropy change will also decreases.
(d)
In this reaction, the number of moles of gases are same on both side of the reaction but 1 mole of solid react to give 2 moles of solid aluminium that means randomness become more that means the degree of disorderedness increases. So, the entropy change will also increases.
C₈H₁₈ is a non-electrolyte
Why?
Electrolytes are substances that dissociate into ions when dissolved in water. In order to do that, they need to have bonds that are polar enough to be able to dissociate, and the ions formed need to be soluble in water.
C₈H₁₈ is a compound that has a low electronegativity difference between its atoms, making it to be a covalent compound where electrons are shared, and making it non-polar, and difficult to dissociate. Thus, it is a non-electrolyte.
One possible structure for C₈H₁₈ is attached below. It's called octane.
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