How did medical advances help Europeans imperialize?

When the volume and number of particles of a gas are constant which of the following is also constant

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.

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution