Valerie is back in the lab to separate another blood sample, but her centrifuge has broken. luckily, she remembers that red blood cells have a large iron-based molecule at their center. what other method could she use to separate the blood cells?

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

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?