The purpose of a switch in a series circuit is to make it easy to open or close the electrical circuit, turning the flow of electricity on or off. A light bulb in a series circuit is used to determine whether or not electricity is flowing.
Melting, boiling, and evaporation, in general, are endothermic processes.
The balanced equation is:
C3H8 + 5O2 > 3CO2 + 4H2O.
It takes 5 molecules of O2
Answer:
<h2>The reason why is because when an object temperature changes it's wither the room is hot or if it is cold</h2>