Willa holds a pan over a campfire, as shown in the figure below. She feels warmth from the fire. Most of the warmth Willa feels comes from the process represented by letter Z. What is this process ?

What is the mass of each element in a 324.8 sample of co2

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

Name the element in group 17, period 2. (periodic table)