Answer:
Liquid from nonvolatile solids can be separated by distillation .
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The pH of the salts in decreasing order is FeCl2, FeCl3, MgCl2, KClO2.
What is pH?
pH is an expression of hydrogen ion concentration in water. Specifically, pH is the negative logarithm of hydrogen ion (H+) concentration (mol/L) in an aqueous solution:
pH = -log10(H+)
The term is used to indicate basicity or acidity of a solution on a scale of 0 to 14, with pH 7 being neutral.
As the concentration of H+ ions in solution increases, acidity increases and pH gets lower, below 7. When pH is above 7, the solution is basic.
Because pH is a logarithmic function, one unit change in pH indicates a 10x change in H+ concentration in that solution.
However, what is actually measured is hydrogen ion activity, not concentration.
To learn more about pH: brainly.com/question/13982975 #SPJ4
Velocity is the speed of something given a direction acceleration is increase in rate or the speed of something
Answer:
The answer is D. The rate of the forward reaction is greater than the rate of the reverse reaction.
Explanation:
The forward reaction rate was greater than the reverse reaction rate because more product is present at time 2. This is the answer from ap classroom.
When a solid is heated , the average kinetic e energy of the substance increases because of which the temperature increases....this heat won’t affect the average kinetic energy of the substance. Since average kinetic energy will remain same during phase change , the temperature will remain same too.
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