What quantity serves as the conversion factor be- tween the mass of a sample and how many moles
the sample contains?

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.

How do you lengthen a pattern piece? (family and consumer science, sewing)

Fossil fuels are organic compounds that are made from