Chemistry > QUESTIONS & ANSWERS > Introduction to Chemistry Unit Test UNIT ALL1 SOLUTIONS 100% CORRECT SPRING FALL 2023/24 EDITION AID (All)

Introduction to Chemistry Unit Test UNIT ALL1 SOLUTIONS 100% CORRECT SPRING FALL 2023/24 EDITION AID GRADE A+

Document Content and Description Below

Why are intensive properties useful for identifying a substance? They do not depend on the amount of substance you have. A man makes breakfast. He puts some toast in the toaster, and mixes some eggs... with a little milk in a bowl. As he begins cooking the eggs, he smells the toast burning. He takes the toast out of the toaster and puts some butter on it, which melts. Finally, he pours some orange juice through a strainer to remove the pulp. He eats the meal, and he digests it as he drives to work in his car. Which option correctly identifies a chemical and a physical change in the scenario? Burning toast is a chemical change; straining orange juice is a physical change. How could you describe the changes that happen when carbon changes form from graphite to diamond? It is a physical change, which could change some of the intensive and extensive properties of the carbon. Which option is a physical property of matter? boiling point Max puts cereal in a bowl and pours milk over it. Which term best describes Max's bowl of cereal? heterogeneous mixture Which list only includes terms that describe oxygen gas, O2? element, molecule, pure substance Which statement about pure substances and molecules is correct? All molecules are pure substances. [Show More]

Last updated: 2 years ago

Preview 1 out of 2 pages

Buy Now

Instant download

We Accept: