Exothermic change. Because the firework when it exploded, released energy in the form of light. In exothermic changes energy is released, and in endothermic changes energy is absorbed.
- This wouldn't be a physical change, but instead a chemical change. A clue that it is a chemical change is that energy was given off.
Answer:
ans. is 0.05
Explanation:
molarity=(mole of solute)/(litre of solution)
Answer:
physical
Explanation:
no chemical reaction is happening
The answer is 17 and a half
B is correct
salt lowers the freezing point of water (colligative property) by lowering the interaction and intermolecular forces between water molecules