Question

Consider a grill with the lid closed to be a closed system. The propane provides chemical energy. The propane is ignited to produce heat. The heat provides the thermal energy to cook the food in the grill.



Which is true about the energy in this system?

Answer 1

A.
Chemical energy is destroyed in order to create thermal energy.


B.
While the energy changes form from chemical to thermal, total energy is conserved.


C.
While some energy is destroyed and some is created, the total amount of energy is conserved.


D.
While the energy changes form from chemical to thermal, the amount of total energy is changing.


c???

Answer 2

@paki

Answer 3

@ganeshie8

Answer 4

it is c :)

Answer 5

No, it is not c. Can energy be normally created or destroyed in this type of situation?

Answer 6

Energy can not be created nor destroyed, it can only be transferred from one form to another

Answer 7

its a sooo yea :)