Please help ASAP 4. How many atoms are in 1.22 moles of
magnesium?
A. 1.22x1023 atoms
B. 2.04x10-24 atoms
C. 6.022x1023 atoms
D. 7.35x1023 atoms

In apex! a liquid heated beyond a certain temperature becomes

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .