<span>When a solid is dissolved, the state transitions to a liquid - a higher entropy substance than the previous solid. Therefore, the entropy of the system will increase, and, by convention, the sign of delta S will be positive.</span>
Answer:
C
Explanation:
Ionic compounds consist of ions, which are formed when elements gain or lose electrons through donating or receiving.
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Answer: Therefore, the volume of 0.001 M KI is 61 ml.
Explanation:
The balanced chemical reaction is :
According to the neutralization law,
where,
= molarity of solution = 0.100 M
= volume of solution = ?
= molarity of solution = 0.200 M
volume of solution = 15.25 ml
= valency of = 1
= valency of = 2
Putting in the values we get:
Therefore, the volume of 0.001 M KI is 61 ml.