D the chemical energy in a batery changes to electrical when its used
Answer:
The reaction begins and builds up heat. This heat causes the aluminum to melt and float on top of the liquid bromine. Wherever the two elements meet, sparks, heat, and light are given off.
Explanation:
Answer:
B. gas state at room temperature
Explanation:
The correct option is B. To increase the production of ammonia, you have to increase the pressure of the system. Increase in pressure will result in increased production of ammonia because this will drive the chemical reaction forward.
The most appropriate answer is C !! Cs is most electropositive and thus least electronegative !!
