Exam (elaborations)
CHEM 101-Straighterline Exam 1 Questions And Correct Solutions (Verified Answers)
- Course
- Chemistry 101
- Institution
- Portage Learning
CHEM 101-Straighterline Exam 1 Questions And Correct Solutions (Verified Answers)
[Show more]
Content preview
CHEM 101-Straighterline Exam 1 Questions AndCorrect Solutions (Verified Answers)
A substance in which the atoms or molecules are free to move relative to one another. It
always assumes the shape and volume of its container. CORRECT ANSWERS gas
A substance in which the atoms or molecules pack closer than a gas, but are still able to
freely move relative to one another. It exhibits a fixed volume, but not a fixed shape.
CORRECT ANSWERS liquid
A substance in which the atoms or molecules are fixed at a specific position. It exhibits
a fixed volume and rigid shape. CORRECT ANSWERS solid
A solid that has atoms and molecules in a repeatable pattern. CORRECT ANSWERS
crystalline solid
A solid whose atoms or molecules are not arranged in a specific pattern. CORRECT
ANSWERS amorphous solid
A substance does not vary its composition within the substance nor between samples of
the same substance. CORRECT ANSWERS pure substance
A physical combination of substances in which each substance keeps its own physical
and chemical properties. CORRECT ANSWERS mixture
A physical combination of substances of non-uniform composition. CORRECT
ANSWERS heterogeneous mixture
A physical combination of substances of uniform composition. CORRECT ANSWERS
homogeneous mixture
A pure substance that cannot be broken into component parts. Examples include
helium, nitrogen, and oxygen. CORRECT ANSWERS element
A pure substance made up of two or more elements. CORRECT ANSWERS compound
A quantitative observation. CORRECT ANSWERS measurement
Any division of a quantity that may be used in a measurement. CORRECT ANSWERS
unit
The SI unit for length. CORRECT ANSWERS meter
The SI unit for time. CORRECT ANSWERS second
, The SI unit for mass. CORRECT ANSWERS kilogram
The standard unit of measurement used to count atoms. CORRECT ANSWERS mole
A unit system abbreviated as SI that is used by scientists. CORRECT ANSWERS
International System of Units
A unit system of measurement used throughout the world. CORRECT ANSWERS
metric system
A unit system of measurement mainly used in the United States. CORRECT ANSWERS
english system
Changes the SI unit by a power of 10. CORRECT ANSWERS prefix multiplier
An English temperature unit system used mainly in the United States. CORRECT
ANSWERS fahrenheit
A combination of SI units. CORRECT ANSWERS derived units
A metric temperature unit system used throughout the world. CORRECT ANSWERS
celsius
A derived unit defined as mass/volume. CORRECT ANSWERS density
A property that does not depend on the amount of a substance. CORRECT ANSWERS
intensive property
A property that depends on the amount of a substance. CORRECT ANSWERS
extensive property
A measurement that is repeatable in an experimental setup, within an acceptable range
of error. CORRECT ANSWERS reliable measurements
How close a series of measurements are to each other. CORRECT ANSWERS
precision
How close a series of measurements are to the actual value. CORRECT ANSWERS
accuracy
A non-place-holding digit in any numerical measurement. CORRECT ANSWERS
significant digit
Rounding numerical data to the nearest power of 10 for rapid estimated calculations.
CORRECT ANSWERS order-of-magnitude estimation
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 ElevatedExcellence. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67163 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now