Answer:
a)22.2°C after adding magnesium
b)17.3°C before adding magnesium
c) 4.9 is change
Positive ion with a radius smaller than the radius of the atom
I'm good at chemistry for some advice just message me here or roblox my username is rightchem7 .
Answer:
The brain is arguably the most important organ in the human body. It controls and coordinates actions and reactions, allows us to think and feel, and enables us to have memories and feelings—all the things that make us human.
Explanation: