Help, please! Which property of a substance can be determined using a pH indicator ?

Density
Acidity
Electrical Conductivity
Thermal Conductivity
Boiling Point

Which type of stress results when two plates push against one another? a. compression b. tension c. force d. shear

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.

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?