Your classmate is having a hard time in understanding the lesson about phase change. Given this scenario, what information about phase change should you emphasize so that he will not get confused about the lesson? *
d. Phase changes occur when sufficient energy is supplied to the system, and also occur when the pressure on the system is changed.
c. Phase change is a type of chemical change that alters the chemical composition of a material.
a. Phase change does not require the presence or absence of heat in a material.
b. The temperatures and pressures under which phase changes happen does not differ.
d. Phase changes occur when sufficient energy is supplied to the system, and also occur when the pressure on the system is changed.
c. Phase change is a type of chemical change that alters the chemical composition of a material.
a. Phase change does not require the presence or absence of heat in a material.
b. The temperatures and pressures under which phase changes happen does not differ.
Add an Answer
More Questions From This User See All
Answers & Comments
Answer:
D is the correct answer.
Explanation:
A phase change is when matter changes to from one state (solid, liquid, gas, plasma) to another. These changes occur when sufficient energy is supplied to the system (or a sufficient amount is lost), and also occur when the pressure on the system is changed.