Answer:
1045
Answer: 1045 J of energy was released on cooling the down the water from 20 °C to 10 °C.
Flammability is a chemical change because when you burn something, it no longer has the same properties.
The correct chemical formulae is CsBr
Atoms (Sodium and Fluorine)
When light travels from air into water,it slows down,causing it to change directions slightly