How does the reaction outlined here demonstrate the conservation of mass?

Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at