Homework Clinic
Science Clinic => Chemistry => Topic started by: 2125004343 on Jun 7, 2021
-
Question 1
Which of the following does not involve a change of state?
◦ melting ice
◦ sublimation of dry ice
◦ freezing water
◦ vaporization of alcohol
◦ pouring water into a vacuum-insulated bottle
Question 2
A heating curve illustrates ________.
◦ the changes in the temperature and physical state of a substance as it is heated
◦ what a substance looks like as it is heated
◦ what happens to the particles of a substance as it is heated
◦ what happens to the heat applied as the temperature is increased
◦ the chemical changes that occur as the substance is heated
-
Answer 1
pouring water into a vacuum-insulated bottle
Answer 2
the changes in the temperature and physical state of a substance as it is heated
-
Thank you