Rock Salt Separation Lab Data Object or Material
rock salt sample
filter paper
clean empty beaker
filter paper with dry rock particles
beaker with dry NaCl(s)
Mass
(9)
16.4
1.6
224.2
2.2
240.0
State the evidence, other than mass, from the information given that the components of rock salt have different properties.

Two atoms interact with each other as shown by the equation. complete the equation by filling in the missing parts. 1 2 3 4 5 h he li

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

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.