Exam (elaborations)
Chem 120 Test 1
- Course
- Institution
Exam of 12 pages for the course Chem 120 Test 1 at Chem 120 Test 1 (Chem 120 Test 1)
[Show more]
Seller
Follow
Victorious23
Reviews received
Content preview
Chem 120 Test 1formulation of a hypothesis, development of a hypothesis, prediction, testing
prediction, analysis of experiment - -What are the steps of the scientific
method?
-qualitative - -What kind of data contains no numerical information?
-quantitative - -What kind of data contains numbers and a scale (unit)?
-qualitative - -Qualitative or quantitative?
Extracts from Pacific-yew bark kill cancer cells.
-quantitative - -Qualitative or quantitative?
Compound "13a" is twenty times more effective than paclitaxel in killing
ovarian cancer cells.
-grams (g) - -SI unit for mass
-meters (m) - -SI unit for length
-liters (L) - -SI unit for volume
-joule (J) - -SI unit for energy
-Kelvin (K) or Celsius (degrees C) - -SI unit for temperature
-mole (mol) - -SI unit for amount of something
-seconds (s) - -SI unit for time
-10^6 - -factor for mega (M)
-10^3 - -factor for kilo (k)
-10^-1 - -factor for deci (d)
-10^-2 - -factor for centi (c)
-10^-3 - -factor for milli (m)
-10^-6 - -factor for micro
-10^-9 - -factor for nano (n)
, -10^-12 - -factor for pico (p)
-10^-15 - -factor for femto (f)
-do not - -Leading zeros are zeros that precede all the nonzero digits. These
________ count as significant figures. (do/do not)
-do - -Captive zeros are zeros between nonzero digits. These _______ count
as significant figures. (do/do not)
-do not, do - -Trailing zeros are zeros at the right end of the numbers. They
______ count as significant figures if the number DOES NOT contain a decimal
point. They ________ count as significant figures if the number DOES contain
a decimal point. (do/do not)
-2 - -How many significant figures are in 0.048?
-4 - -How many significant figures are in 16.07?
-4 - -How many significant figures are in 9.300?
-2 - -How many significant figures are in 150?
-3 - -How many significant figures are in 2.12?
-4 - -How many significant figures are in 4.500?
-4 - -How many significant figures are in 0.002541?
-3 - -How many significant figures are in 0.00100?
-3 - -How many significant figures are in 500. ?
-2 - -How many significant figures are in 5.0x10^2?
-smallest number of decimal places in input = number of decimal places in
final answer - -What is the rule for significant figures with addition and
subtraction?
-smallest number of sig figs in input = number of sig figs in final answer - -
What is the rule for significant figures with multiplication and division?
-one - -Scientists typically report a number with _____ uncertain digit.
-up - -In rounding rules, if the 1st non-significant digit is >5, round ____.
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 Victorious23. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83637 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now