Bubbles, release of gas, change in color, release of a smell, change in temperature, formation of a precipitate,
The statement is false because endothermic reactions have a positive enthalpy change, because heat is being added to the system because it requires more energy to react
Answer:
a..312 I guesss kkkkkkkkkkkkkkkkkk
Answer: the answer is X.
Explanation:
Think of it as a graph with potential and kinetic energy
Answer:
Sorry i cant unserstand your language ;(
Explanation: