read the passage about a chemical reaction that causes a change in temperature. then, follow the…

read the passage about a chemical reaction that causes a change in temperature. then, follow the instructions below. workers who build railway tracks often use a process called thermite welding to connect pieces of track. thermite is a mixture of aluminum metal (al) and ferric oxide (fe₂o₃). a worker places thermite between two pieces of track and then burns it to form aluminum oxide (al₂o₃) and iron (fe). as the reaction happens, the air around the mixture becomes so hot that the two pieces of track fuse together. select the true statement. this chemical reaction is exothermic. it converts chemical energy to thermal energy, which is released into the surroundings. this chemical reaction is endothermic. it absorbs thermal energy from the surroundings and converts that energy to chemical energy.

read the passage about a chemical reaction that causes a change in temperature. then, follow the instructions below. workers who build railway tracks often use a process called thermite welding to connect pieces of track. thermite is a mixture of aluminum metal (al) and ferric oxide (fe₂o₃). a worker places thermite between two pieces of track and then burns it to form aluminum oxide (al₂o₃) and iron (fe). as the reaction happens, the air around the mixture becomes so hot that the two pieces of track fuse together. select the true statement. this chemical reaction is exothermic. it converts chemical energy to thermal energy, which is released into the surroundings. this chemical reaction is endothermic. it absorbs thermal energy from the surroundings and converts that energy to chemical energy.

Answer

Brief Explanations:

Exothermic reactions release energy as heat. In thermite welding, the air around the mixture becomes hot, indicating heat is released. Endothermic reactions absorb heat. Since heat is released here, it's an exothermic reaction.

Answer:

This chemical reaction is exothermic. It converts chemical energy to thermal energy, which is released into the surroundings.