×

### Let's log you in.

or

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

×

or

## Week 2 Notes unifinshed

by: Jordyn Meekma

3

0

1

# Week 2 Notes unifinshed CH111

Marketplace > Northern Michigan University > Chemistry > CH111 > Week 2 Notes unifinshed
Jordyn Meekma
NMU

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

×
Unlock Preview

unfinshed
COURSE
General Chemistry 1
PROF.
Dr. Tom Getman
TYPE
Class Notes
PAGES
1
WORDS
KARMA
25 ?

## Popular in Chemistry

This 1 page Class Notes was uploaded by Jordyn Meekma on Friday September 23, 2016. The Class Notes belongs to CH111 at Northern Michigan University taught by Dr. Tom Getman in Fall 2016. Since its upload, it has received 3 views. For similar materials see General Chemistry 1 in Chemistry at Northern Michigan University.

×

## Reviews for Week 2 Notes unifinshed

×

×

### What is Karma?

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

Date Created: 09/23/16
CH 111 Notes: Week 2  Significant Figures o Integers: all integers are significant  24.7 = 3 sig figs o Zeros:  Zeros at the beginning of a number are never significant  0.47 → 0 is not a sig fig (2 sig figs)  Zeros at the end of a number after a decimal are always significant  1.50 → 0 is a sig fig (3 sig figs)  Zeros between two nonzero integers are always significant  3.506 → 0 is a sig fig (4 sig figs)  Zeros at the end of a number with no decimal may/may not be significant  300 = ? *Need to use scientific notation* 3.00x10 = 2 3 sig figs o Multiplication/Division: the answer should have the same number of sig figs as the number with the least amount of significant digits  97.11/2.50 = 38.8 = 3 sig figs o Addition/Subtraction: the answer should have the number of sig figs as the measured number with the fewest digits to the right of the decimal  0.2817 + 0.61 = 0.89  Practice Problems o What is the mass of a gold bar with dimensions 10.0 cm x 5.25 cm x 3.50 cm? 3 (Density of 3old = 19.3 g/cm ) 3 (19.3 g/cm )( 10.0 cm x 5.25 cm x 3.50 cm) = 3550 g = 3.55x10 g (3 sig figs) o

×

×

### BOOM! Enjoy Your Free Notes!

×

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

Bentley McCaw University of Florida

#### "I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"

Anthony Lee UC Santa Barbara

#### "I bought an awesome study guide, which helped me get an A in my Math 34B class this quarter!"

Jim McGreen Ohio University

Forbes

#### "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

#### STUDYSOUP CANCELLATION 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 support@studysoup.com

#### STUDYSOUP REFUND POLICY

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: support@studysoup.com

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 support@studysoup.com