CHEM 111 Exam 1|131 Questions with Verified Answers,100% CORRECT
1 view 0 purchase
Course
CHEM 111
Institution
CHEM 111
CHEM 111 Exam 1|131 Questions with Verified Answers
What are the two classifications of Matter? - CORRECT ANSWER pure substances and mixtures
What is a pure substance? - CORRECT ANSWER constant composition and definite properties ex: water,sugar, gold
What are the two classes of pure subst...
What are the 4 Properties of Matter? - CORRECT ANSWER Physical, Chemical,
Intensive, Extensive
Describe what a Physical property is? - CORRECT ANSWER Density, color, size,
odor, melting point, boiling point
Describe what a Chemical property is? - CORRECT ANSWER Acidic, toxic, reactive,
flammable, explosive
What is an Intensive property is? - CORRECT ANSWER a bulk property which
means that the size does not matter. Ex: Density, temperature, Melting point,
Boiling point
What is an extensive property? - CORRECT ANSWER a property that depends on
the size(matter). Ex: mass, volume
, What are the 2 Changes of Matter? - CORRECT ANSWER Physical and Chemical
change
Define when matter goes through a Physical Change? - CORRECT ANSWER It is
reversible. Ex: Cutting a piece of paper, Melting Ice
Define when matter goes through a Chemical Change? - CORRECT ANSWER
Mostly irreversible. Ex: Change in color
evolution of gas
formation of a precipitate
change of heat
What is a precipitate? - CORRECT ANSWER a solid that forms and settles out of a
liquid mixture
Significant figures to the left of a whole number - CORRECT ANSWER positive
exponent
Significant figures to the right of a whole number - CORRECT ANSWER negative
exponent
Which of the following is an example of a physical property?
a. carbon monoxide is poisonous
b.acids are sour and bases are bitter
c. an iron nail rusts - CORRECT ANSWER b. acids are sour and bases are bitter
Which is of the following is an example of a physical property?
a. water freezes at 273.15 K
b. hydrogen gas is an explosive
c. metals are reactive - CORRECT ANSWER a. water freezes at 273.15K
Which of the following is an example of a chemical property?
a. water boils at 100 degrees Celsius
b. a copper penny weighs 3.00g
c.an iron nail rust - CORRECT ANSWER c. an iron nail rusts
A salt water solution is classified as what type 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 paulhans. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $16.49. You're not tied to anything after your purchase.
