I believe the answer is C: "<span>It occurs when a hydrogen atom bonds with electropositive atoms."</span>
Dropping a 50 gram piece of metal with a temperature of 125° Celsius into 1000 grams of water at 20° Celsius would lead to a heat loss by the metal and an heat gain by the water. These loss and gain should be equal since energy cannot be created nor destroyed.
Production of carbon dioxide is chemical change
expansion of dough because of the pressure is physical change
Answer:
Because they want to clarify or give solution to the particle that the other didn't know
Explanation:
Correct me if im wrong thanks
