Answer:
The correct answer is pH relates to relative acid-base ion balance in a solution.
Explanation:
This is because pH is a measure of the concentration of hydrogen ions in a solution. Also the higher the number of Hydrogen ions in a solution, the higher the acidicity and the lower the pH.
Answer:
A. Energy is necessary for bond formation.
C. Breaking bonds takes energy.
D. When bonds are formed, energy is released.
Energy is always required for bond formation because when a chemical reaction occurs, either molecular bonds are broken or other bonds are formed to make different molecules. Energy is released during bond formation and is an exothermic process because bond formation represents a stable configuration and the energy lost is released as heat energy that makes it more stable. Breaking bonds takes energy and is an endothermic reaction because energy is absorbed to break bonds.
Hope that helps. x
Answer: one of the sweet potatoes atoms are moving really fast and the other sweet potatoes atoms isn't moving.
Vapor pressure is a criteria for a substance's volatility. This is the ability of a substance to transition from liquid to vapor. When the vapor pressure equals the external pressure, liquid turns to gas. Hence, if the substance has higher vapor pressure, then it is volatile. <em>Therefore, Sample A is more volatile than Sample B.</em>