×

### Let's log you in.

or

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

×

or

by: Kara Nichols

24

3

2

# Lesson 2 CHM 111

Kara Nichols
MSU
GPA 3.7

Enter your email below and we will instantly email you these Notes for General Chemistry 1

(Limited time offer)

Unlock FREE Class Notes

Everyone needs better class notes. Enter your email and we will send you notes for this class for free.

These notes cover what was in lesson 2
COURSE
General Chemistry 1
PROF.
Mona Chaudhary
TYPE
Class Notes
PAGES
2
WORDS
CONCEPTS
Chemistry
KARMA
Free

## Popular in Department

This 2 page Class Notes was uploaded by Kara Nichols on Wednesday May 25, 2016. The Class Notes belongs to CHM 111 at Calhoun Community College taught by Mona Chaudhary in Spring 2016. Since its upload, it has received 24 views.

×

## Reviews for Lesson 2

×

×

### 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: 05/25/16
College Chemistry 1 – Mona Chaudhary 5/23/2016 Important Words or Important People Important Concepts Definitions Lesson 2  Measurements and Units English & Metric oz, lb, ton Gram, Kg, mg in, ft, yd, mile cm, meter, Km pint, quart, gallon Liter, mL  Significant Figures o Non zero digits  38.56 (4)  288 (3) o Zeros at the beginning of a number is not significant and are considered place holders  0.052 (2)  0.00321 (3) o Zeros between non zeros are significant  2007 (4)  302 (3) o Zero at the end of a decimal number are significant  38.0 (3) o Zero at the end of a non-decimal number are ambiguous  24,300 (3, because there are no units)  24,300 Km (5, because there is a unit) o A decimal at the end of the number makes zeros significant  280. (3)  2. Ft (1)  Rounding o < 5, leave it  6.474 = 6.47 o > 5, round up  6.5483 = 6.55 o = 5, round up  6.575 = 6.58  Dimensional analysis o Converting from one unit to another using factors o How many inches are in 3.2 miles? (5280 ft = 1 mile)  Significant figures are based on the least amount of sig. figs. in the question. In this case, there are 3 3.2 Miles 5280 ft 12 inches 20,2752 inches 5 X 1 Mile X 1 ft = 2.03 x 10 inches X  Density o D = M/V o V = M/D o M = VD  Temperature o Fahrenheit - °F  (1.8C)+32 o Celsius - °C  (F-32)/1.8 o Kelvin - K  C+273

×

×

### 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!"

Janice Dongeun University of Washington

#### "I used the money I made selling my notes & study guides to pay for spring break in Olympia, Washington...which was Sweet!"

Bentley McCaw University of Florida

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