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Questions and Answers
What is the branch of chemistry concerned with interactions and transformations of materials?
Which subdiscipline of chemistry traditionally deals with the study of living organisms?
Which state of matter takes the shape of its container and has a definite volume?
What property of gases is described as the force exerted per unit area by gas molecules as they strike the surfaces around them?
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Which process describes the change of a substance from solid directly to gas without passing through the liquid state?
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Study Notes
Branches of Chemistry
- The branch of chemistry that focuses on material interactions and transformations is known as Physical Chemistry.
- It combines principles of physics and chemistry to study properties of materials and how they undergo changes.
Subdiscipline of Chemistry
- Biochemistry is the subdiscipline that traditionally studies living organisms.
- It explores chemical processes and substances that occur within and relate to living systems.
States of Matter
- The state of matter that assumes the shape of its container while maintaining a definite volume is Liquid.
- Liquids have a fixed volume but can change shape to fill their container.
Properties of Gases
- The property of gases described as the force exerted per unit area by gas molecules is known as Gas Pressure.
- This pressure results from molecular collisions against the surfaces of the container.
Phase Transition
- The process whereby a substance changes directly from a solid to a gas, bypassing the liquid state, is known as Sublimation.
- Common examples of sublimation include dry ice transitioning to carbon dioxide gas and the sublimation of iodine.
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Description
Test your knowledge of physical chemistry and bio-chemistry concepts with this quiz designed by Dr. Lamiaa Amer Mohamed, a lecturer at the Chemistry department of Minia University. Explore the principles of physics underlying chemical interactions, gas laws, and quantitative aspects of reactions.
