Exam (elaborations)
CHM 1025 Exam 1/10 Q’s and A’s
- Course
- Institution
CHM 1025 Exam 1/10 Q’s and A’s
[Show more]
Seller
Follow
Victorious23
Reviews received
Content preview
CHM 1025 Exam 1/10 Q’s and A’sKnow the most commonly used Metric prefixes. - -kilo k 1000 103
deci d 0.1 101
centi c 0.01 102
milli m 0.001 103
micro m 0.000001 106
nano n 0.000000001 109
km 10^3
m 10
dm 10^-1
cm 10^-2
mm 10^-3
um 10^-6
nm 10^-9
-Know how to convert from Centigrade to Fahrenheit and from Fahrenheit to
Centigrade. - -Tf=1.8Tc+32
K=273+C
All you need to know
-There are two Metric conversions. - -...
-Know how to express a number in scientific notation. - -595mg > .595g >
5.95 x 10^-1g
-Significant Figures - 4 questions. - -Rules.
1. All non-zero numbers are significant.
2. Zeros between non zero digits are significant
3. Zeros at the beginning of a number are not significant
4. Zeros at the end of a number are only significant if the number has a
decimal point.
5. Exact numbers have unlimited number of significant figures.
Rounding- Discarding non significant figures
For multiplication and division, look at all the numbers invlovled in the
calculations and find the number having the fewest number of significant
figures. Round that answer to that many significant figures.
For addition and subtraction, all the numbers including the answer have to
contribute to the same decimal place. Discard by rounding all other figures
after computation
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 $7.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79650 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now