The temperature of a substance is related to the speed of the substance's particles. So, when the temperature of a substance changes,the speed of the particles also changes. So B.
Answer:
Heat energy is the result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases. Heat energy can be transferred from one object to another. the transfer or flow from one object to another is called heat.
hopefully this helped :3
First choice: PhH4 has a lower boiling point
Second: SiF4 higher
Third: CBr4 higher
The answer is C. Arrhenius bases increase the concentration of OH- in solution.