How many moles of nacl must be dissolved in 0.5 l of water to make a 4 mole/l

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

__can be defined as which velocity changes

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents