Exam (elaborations)
Pre-AP Chemistry Semester 1 Exam.
- Course
- Institution
Pre-AP Chemistry Semester 1 Exam.
[Show more]
Seller
Follow
EXAMQA
Reviews received
Content preview
Pre-AP Chemistry Semester 1 ExamScientific Method - correct answer-A logical systematic approach to the solution of a
scientific problem
Matter - correct answer-Anything that has mass and occupies space
Pure Chemistry - correct answer-The pursuit of chemical knowledge for its own sake
Alchemists - correct answer-Developed processes for separating mixtures and purifying
chemicals and also designed equipment that is still in use today
Chemistry - correct answer-The study of the composition of matter and the changes that
matter undergoes
Observation - correct answer-When you use your senses to obtain information you make
a(n)...
Hypothesis - correct answer-A proposed explanation for an observation is a(n)...
Experiment - correct answer-A procedure that is used to test a hypothesis is a(n)...
Theory - correct answer-A well-tested explanation for a broad set of observations is a(n)...
Independent Variable - correct answer-The variable that you change during an experiment is
the...
Dependent Variable - correct answer-The variable that is observed during the experiment is
the...
Mixture - correct answer-A physical blend of two or more components
Product - correct answer-A substance formed in a chemical reaction
Reactant - correct answer-Starting substance in a chemical reaction
Homogeneous - correct answer-Describes mixture with a uniform composition
Compound - correct answer-Composed of two or more substances chemically combined in a
fixed proportion
Mass - correct answer-Amount of matter an object contains
Chemical reaction - correct answer-Process in which substances are changed into different
substances
, Element - correct answer-Substance that cannot be changed into simpler substances by
chemical means
Color, odor, malleability, hardness, melting point, boiling point - correct answer-List the
physical properties of a substance (six things)
Oil - correct answer-To make a heterogeneous mixture, do you mix vinegar with water or oil?
Compound - correct answer-A substance that can be separated into two or more substances
only by a chemical change
Ability to rust - correct answer-Three of these are physical properties. Which is not? Mass,
color, melting point, ability to rust
Solution - correct answer-What's another term for a homogeneous mixture?
Salt water - correct answer-Which is a homogeneous mixture? Salt water, beef stew, sand
and water, soil
Gas production, precipitate formation, energy transfer - correct answer-What three things
indicate that a chemical change may have taken place?
Absolute zero - correct answer-The lowest point on the Kelvin scale
Kelvin temperature scale - correct answer-The SI scale for temperature
Weight - correct answer-The force of gravity on an object
1.54×10⁻¹⁰ m - correct answer-The diameter of a carbon atom is 0.000 000 000 154 m. What
is this number expressed in scientific notation?
Mass; volume - correct answer-Density is found by dividing _____ by ______
11 mm² - correct answer-What is the product of 2.2 mm and 5.00 mm using the correct
number of significant digits?
1.0×10³ L - correct answer-What is the measurement of 1042 L rounded off to two significant
digits?
Microliter - correct answer-Which of the following is smallest? Milliliter, microliter, liter,
deciliter
Liter - correct answer-What is NOT an SI unit but often mistaken as one? (measures
volume)
Two - correct answer-How many significant figures are in the measurement 0.0034 kg?
Five - correct answer-How many significant figures are in the measurement 811.40 grams?
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 EXAMQA. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79373 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now