Answer:
The log will float on the water because its density is lower than the liquid, so it will stay at the top due to Archimedes' principle.
The volume is 3900cm^3 and the bricks density is 3900 ml
The earth has the moon captured in its gravity. this keeps the moon in an elliptical orbit
2H2 (g) + O2 (g) -->2H2 O(g)
mole ratio of H2:O2=2:1
7.25/2=3.625
You can use a separating funnel. The person will go the top and the water to the bottom.
