The specific gravity of bone is about 1.85 of blood is about 1.06 of water is 1.00 and of urine is 1.03 to 1.035. Which substance contains the fewest particles

Determine the mass of fuel required for the expected energy consumption in the united states for the next ten years. energy use per person per year in the united states = 3.5 x 1011joules base calculations on current population of 310,000,000.

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have