9. Sugar can melt, and sugar can dissolve. Which of the following best explains what
happens at the particle level when melting or dissolving occurs?
A. Sugar melts when its particles get soft enough to turn into liquid.
B. Sugar dissolves when its particles are heated until the bonds holding them
together as a solid break.
C. Sugar dissolves when a liquid breaks particles away from the solid
substance.
D. Sugar melts when its particles change into another substance.
Answers: 3
Biology, 21.06.2019 23:30
What is a traditional chinese touch therapy involving finger pressure applied to specific areas of the body to restore the flow of qi.
Answers: 1
Biology, 22.06.2019 00:00
Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.
Answers: 1
9. Sugar can melt, and sugar can dissolve. Which of the following best explains what
happens at th...
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