Answer:
idk search it on google chrome
Explanation:
Isotopes describes atoms with different atomic masses due to varying numbers of neutrons
Plants provide food and Carbon dioxide
Answer:
300 kJ
Explanation:
There are two energy flows in this process.
Heat lost by iron + heat gained by water = 0
q₁ + q₂ = 0
-300 kJ + q₂ = 0
q₂ = 300 kJ
The water gained 300 kJ.
Answer:
This might be easier with the textbook
