CHEM 111 Test 1 Exam 137 Questions with Verified Answers,100% CORRECT
3 views 0 purchase
Course
CHEM 111
Institution
CHEM 111
CHEM 111 Test 1 Exam 137 Questions with Verified Answers
Solids - CORRECT ANSWER particles are close and organized, fixed shape
Liquids - CORRECT ANSWER particles are close but unorganized, varying shape
Gas - CORRECT ANSWER particles are far apart and unorganized, varying shape
Physica...
Chemical changes - CORRECT ANSWER interaction with another substance. ex:
chemical reaction/change, flammability, solubility
mass unit - CORRECT ANSWER kg
time unit - CORRECT ANSWER second
length unit - CORRECT ANSWER m
temperature unit - CORRECT ANSWER K
electric current unit - CORRECT ANSWER ampere (A)
amount of substance unit - CORRECT ANSWER mol
mega - CORRECT ANSWER M, million, ^6
kilo - CORRECT ANSWER K, thousand, ^3
deci - CORRECT ANSWER d, tenth, ^-1
centi - CORRECT ANSWER c, hundreth, ^-2
, mili - CORRECT ANSWER m, thousandth, ^-3
micro - CORRECT ANSWER u, millionth, ^-6
nano - CORRECT ANSWER n, billionth, ^-9
pico - CORRECT ANSWER p, trillionth, ^-12
t(*C) to K - CORRECT ANSWER t(*C)+273.15
t(K) to *C - CORRECT ANSWER t(K)-273.15
T(*F) to *C - CORRECT ANSWER [t(*F)-32]5/9
T(*C) to *F - CORRECT ANSWER 9/5t(*C)+32
SI units of volume - CORRECT ANSWER m³, 1L=1dm³=10⁻³m³
SI units of density - CORRECT ANSWER mass/volume, kg/m³=g/L or g/mL
precision vs accuracy - CORRECT ANSWER precision=reproducibility,
accuracy=how close the numbers are to the expected value
mixture is - CORRECT ANSWER 2 or more substances
substance has a - CORRECT ANSWER fixed composition
elements have - CORRECT ANSWER one type of atom (O, atoms, or O₂, molecular)
compounds have - CORRECT ANSWER 2 different elements that are chemically
bonded (covalent: molecule, or ionic: fomula units)
Law of Conservation of Mass - CORRECT ANSWER the total mass of a substance
does not change during a chemical reaction
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 $16.99. You're not tied to anything after your purchase.
