Homework #36: Behavior of Matter Day 1-10 Part 2
Flashcard
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the primary direction of heat flow?
Back
From warmer to cooler substance.
2.
FLASHCARD QUESTION
Front
What are the two types of pure substances?
Back
Elements and compounds.
3.
FLASHCARD QUESTION
Front
Between which two points is Heat of Fusion on a heating curve?
Back
Between points B and C.
4.
FLASHCARD QUESTION
Front
At what point is water in a solid state on a heating curve?
Back
At point A.
5.
FLASHCARD QUESTION
Front
What happens when salt is added to ice?
Back
Lowers the freezing point of water.
6.
FLASHCARD QUESTION
Front
Define heat transfer.
Back
The movement of thermal energy from one object to another due to a temperature difference.
7.
FLASHCARD QUESTION
Front
What is the difference between an element and a compound?
Back
An element is a pure substance that cannot be broken down into simpler substances, while a compound is made up of two or more elements chemically combined.
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