Exam (elaborations)
Chemistry 121 Exam 1 with complete solutions 2024_2025
- Course
- Institution
Chemistry 121 Exam 1 with complete solutions 2024_2025
[Show more]
Content preview
Chemistry 121 Exam 1 with completesolutions 2024/2025
What are the three states of matter? - ANSWER-solid, liquid and gas
___ is the study of properties and behavior of matter. - ANSWER-chemistry
___ is the physical material of the universe. It is also anything the has mass and
occupies space. - ANSWER-matter
__ is matter that is made up of one "thing" - ANSWER-pure substance
__ is a mixture that doesn't have the same composition, properties, and
appearance throughout. - ANSWER-heterogeneous
__ is a mixture that is uniform throughout. - ANSWER-homogeneous
Solid to a gas is - ANSWER-sublimation
Gas to a solid is - ANSWER-deposition
Liquid to a solid is - ANSWER-freezing
Liquid to a gas is - ANSWER-vaporization
, Gas to a liquid is - ANSWER-condensation
Solid to a liquid is - ANSWER-melting
What two things make up pure substances? - ANSWER-elements and compounds
(molecules)
How many known elements are there? - ANSWER-118
What are most elements? - ANSWER-monatomic
What seven elements are diatomic? - ANSWER-H2, F2, Cl2, I2, O2, N2, BI2,
Which of the following are heterogeneous? Magnesium, concrete, seawater,
milkshake. - ANSWER-concrete & milkshake
__ precipitate less soluble component and separate solid from liquid - ANSWER-
filtration
___ separate by boiling point - ANSWER-distillation
__ separate by solubility or attraction (chemical property) - ANSWER-
chromatography
__ depends upon amount of sample: (mass, volume, length) - ANSWER-extensive
__ does not depend on amount of sample: (color, temperature, melting point,
density) - ANSWER-intensive
__ __ __ __ are determined by studying how substances change or react to make
new substances and to give off or absorb energy. - ANSWER-chemical properties
of matter
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller tuition. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
76747 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now