I need help my final 20 points

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

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 many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work