What are ALL of the chemical reactions associated with energy that occur within an organism referred to?

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

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-