New User Special Price Expires in

Let's log you in.

Sign in with Facebook


Don't have a StudySoup account? Create one here!


Create a StudySoup account

Be part of our community, it's free to join!

Sign up with Facebook


Create your account
By creating an account you agree to StudySoup's terms and conditions and privacy policy

Already have a StudySoup account? Login here


by: Brittney Lillie

science_notes_day_1.pdf Che 101LLR

Marketplace > University at Buffalo > Chemistry > Che 101LLR > science_notes_day_1 pdf
Brittney Lillie
GPA 4.0

Preview These Notes for FREE

Get a free preview of these Notes, just enter your email below.

Unlock Preview
Unlock Preview

Preview these materials now for free

Why put in your email? Get access to more of this material and other relevant free materials for your school

View Preview

About this Document

A.Definitions B. Significant Figures C. Dimensional Analysis D. Calssification
General Chemistry
Jim Atwood
Class Notes
basic, General Chemistry
25 ?




Popular in General Chemistry

Popular in Chemistry

This 3 page Class Notes was uploaded by Brittney Lillie on Monday September 19, 2016. The Class Notes belongs to Che 101LLR at University at Buffalo taught by Jim Atwood in Fall 2016. Since its upload, it has received 4 views. For similar materials see General Chemistry in Chemistry at University at Buffalo.


Reviews for science_notes_day_1.pdf


Report this Material


What is Karma?


Karma is the currency of StudySoup.

You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 09/19/16
Jim Atwood Office hours NSC 556 Tuesday 11:00­11:59 Wednesday 10:00­11:00 By appointment use email HW P1 8/30/16 A. Definitions B. Significant Figures C. Dimensional Analysis D. Classification 1. What is Chemistry? a. Synthesis of new materials i. Medicines ii. Fabrics iii. Food iv. Electronic Materials b. Control changes of matter i. Pollution Removal ii. Energy c. Identify and Concentration of substances i. Hg levels ii. PH of natural waters – Acidity iii. Physiologically active compounds Chemistry is the Study of Matter 2. Historical perspective a. Crafts i. Brewing ii. Tanning   iii. Dyeing (Practical – Chapters 3,4,5,10) b. Philosophy­Nature of Matter c. Greek Philosophers ­ > Understand     (Theoretical – Chapters 6,7,8,9) C. Scientific Method 1.Observation 2.Theory 3. New Observations 4. New Theory B. Significant Figures – Uncertainty in Measurements 1. Rules for a number a. All non­zero digits are significant 457 = 3 significant figures 0.25= 2 significant figures b. Zeros between non­zero digits are significant 1005= 4 significant figures 1.03= 3 significant figures c. Zeros to the left of the first non­zero digit are not significant 0.02 = 1 significant figure 0.0026= 2 significant figures d. Zeros at the end of the number to the right are significant 0.2200=4 significant figures 3.0 = 2 significant figures 2. Rules for Calculations a. In addition of subtraction one reports the result to same number of decimal  places as the term with the fewest significant figures 20.41+1.322+83=104.732 Then rounds to 105 because of significant figures b.  In multiplication and division one reports the result with no more significant  figures then the measurement with fewest figures. Ex.  6.221∗5.2=32.3492 Then rounds to 32 because of significant figures C. Dimensional Analysis – Unit Convention ­ Number X 1 = Numbers  Ex. 1. I weigh 180lb, how many kilograms? 1.00kg=2.205lb 180lb×1kg÷2.05lb=81.6 kg   2. A sign says, how many mile/h? 40km miles h ×0.621mi÷1.00km=25 h D. Classification of Matter Gas, Liquid, Solid Heterogeneous – Not uniform throughout Homogeneous – Uniform throughout 


Buy Material

Are you sure you want to buy this material for

25 Karma

Buy Material

BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.


You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

Why people love StudySoup

Steve Martinelli UC Los Angeles

"There's no way I would have passed my Organic Chemistry class this semester without the notes and study guides I got from StudySoup."

Amaris Trozzo George Washington University

"I made $350 in just two days after posting my first study guide."

Jim McGreen Ohio University

"Knowing I can count on the Elite Notetaker in my class allows me to focus on what the professor is saying instead of just scribbling notes the whole time and falling behind."


"Their 'Elite Notetakers' are making over $1,200/month in sales by creating high quality content that helps their classmates in a time of need."

Become an Elite Notetaker and start selling your notes online!

Refund Policy


All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email


StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here:

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.