Answer:
B
Explanation:
equilibrium happens when two things are in complete balance and thermal is in reference to heat so two things are in thermal equilibrium once they have the same temperature.
Answer:
photoelectric effect, phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation. The effect is often defined as the ejection of electrons from a metal plate when light falls on it.
Water and dimond are the 2 pure substances
Answer: It increases the reaction rate.
Step-by-step explanation:
The particles gain kinetic energy.
Iron rusts when in contact with water.
