(01.06 LC) Which of the following is a property of a pure substance? (5 points)
O It is made up of a single element or type of compound.
O Its components can be separated by employing physical methods.
o It consists of different types of compounds.
O It may have substances in different states of matter.

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

Can someone me with questions 12 and 13 plz.

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.