Answer:
10g/cm^3, I think.
Explanation:
2x2x2=8cm^3 for the volume.
Divide 80g by that, you get 10g/cm^3, I think.
Answer:
7.35 - 7.45
Explanation:
The pH scale ranges from 0 (strongly acidic) to 14 (strongly basic or alkaline). A pH of 7.0, in the middle of this scale, is neutral. Blood is normally slightly basic, with a normal pH range of about 7.35 to 7.45. Usually, the body maintains the pH of blood close to 7.40.
Hope this helps
Answer:
4Fe+ 6H2 O+ 3O2 ----> 4Fe(OH)3
Shape and size doesn't affect the density of an object but temperature does affect the density of an object because the molecules act differently in different temps.
Work is labor and energy is useful for it because you need energy to work unless you will be tired
