Question 25
Short Questions 5. The following diagram shows the heating curve of the materials.
(a). (4 points) There are some phase changes:
i. The process of phase change at B - C is called\_\_\_\_\_\_\_\_\_\_
ii. The process of phase change at C - B is called\_\_\_\_\_\_\_\_\_\_
iii. The process of phase change at D - E is called\_\_\_\_\_\_\_\_\_\_
iv. The process of phase change at E - D is called\_\_\_\_\_\_\_\_\_\_
(b). (1 point) The substance is inside an opened container at room temperature ambient. Which greater heat energy is needed, in melting or freezing procceses?
(a). (4 points) There are some phase changes:
i. The process of phase change at B - C is called\_\_\_\_\_\_\_\_\_\_
ii. The process of phase change at C - B is called\_\_\_\_\_\_\_\_\_\_
iii. The process of phase change at D - E is called\_\_\_\_\_\_\_\_\_\_
iv. The process of phase change at E - D is called\_\_\_\_\_\_\_\_\_\_
(b). (1 point) The substance is inside an opened container at room temperature ambient. Which greater heat energy is needed, in melting or freezing procceses?