The answer is
d. To what temperature can the steam at 80 bar be cooled before a liquid will appear?
Answer:
Chemical energy
Explanation:
When the body eats food our bodies convert the stored energy (calories) to chemical energy, allowing us to function.
Answer: 5. Positive
6. Negative
9. Oxygen carbon hydrogen nitrogen
Explanation:
The melting of the ice cube indicates physical change has taken place