Which of the following describes a substance whose atoms all have the same number of protons? . A. Compound . B. Element . C.Ion
2 answers:
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Answer:
Explanation:
The steps of the Ostwald process:
Combinning the equations:
+
+
=
Simplifying:
The overall reaction is endothermic becuase the formation of new chemical bonds requires energy consumption.
Answer: increase in entropy
Explanation:
Entropy is the measure of randomness or disorder of a system. If a system moves from an ordered arrangement to a disordered arrangement, the entropy is said to decrease and vice versa.
is positive when randomness increases and
is negative when randomness decreases.
When the non polar solutes are placed in water, the hydrogen bonding network of water is disrupted, and there are fewer ways for water to hydrogen-bond with itself. That means the water molecules are more randomly arranged and thus have more entropy and thus is positive.