Docsity
Log inSign up
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search Store documents

The best documents sold by students who completed their studies

Search through all study resources
Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

University Rankings

Discover the best universities in your country according to Docsity users

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

From our blog

Exams and Study
Go to the blog

Exam 1 Questions - Introduction to Chemistry 1 |, Exams of Chemistry

Morehead State University (MSU)Chemistry

Material Type: Exam; Class: Chemistry 1 - Introduction; Subject: Chemistry; University: Morehead State University; Term: Forever 1989;

Typology: Exams

2010/2011

Uploaded on 10/17/2011

kelseybradley1
kelseybradley1 🇺🇸

4 documents

1 / 3

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Chem 111 Exam IA S10 Dr. Macintosh Name (please print):
SHOW ALL WORK INCLUDING UNIT CANCELLATIONS. No Work, No Credit !! USE PROPER
NUMBER OF SIG FIGS. READ THE QUESTIONS CAREFULLY AND ANSWER THEM
COMPLETELY.
1) (10) The density of the platinum is 13.53 g/cm3. What is the density in kg/m3?
2) (10) How many molecules of C12H22O11 are there in 8.75 g of C12H22O11?
3) (6) Name the following compounds using the correct systematic method
(a) Na2S
(b) CoCl2
(c) N2O4
4) (6) Write accurate chemical formulas for each of the following compounds
(a) calcium phosphate
(b) chromium(III) bromide
(c) magnesium sulfate
pf3

Partial preview of the text

Download Exam 1 Questions - Introduction to Chemistry 1 | and more Exams Chemistry in PDF only on Docsity!

Chem 111 Exam IA S10 Dr. Macintosh Name (please print): SHOW ALL WORK INCLUDING UNIT CANCELLATIONS. No Work, No Credit !! USE PROPER NUMBER OF SIG FIGS. READ THE QUESTIONS CAREFULLY AND ANSWER THEM COMPLETELY.

  1. (10) The density of the platinum is 13.53 g/cm^3. What is the density in kg/m^3?

  2. (10) How many molecules of C 12 H 22 O 11 are there in 8.75 g of C 12 H 22 O 11?

  3. (6) Name the following compounds using the correct systematic method

(a) Na 2 S

(b) CoCl (^2)

(c) N 2 O 4

  1. (6) Write accurate chemical formulas for each of the following compounds

(a) calcium phosphate

(b) chromium(III) bromide

(c) magnesium sulfate

  1. (8) Classify each of the following using the standard chemical classification of heterogeneous or homogeneous mixture, element or compound. You must describe the object as well as explaining how this and other specific facts you know lead to your classification. A correct classification is worth 1 pt. and its explanation is worth 3 pt.

(a) tomato ketchup

(b) a slice of watermelon

  1. (10) Use the symbol ○ to represent a single atom of element A and the symbol ● to represent a single atom of element B. In the two areas below, use the left to represent a sample of element A (a triatomic element). Use the area on the right to represent a heterogeneous mixture of element B and compound A 2 B.

  2. (6) How many significant figures are in each of the following numbers? (a) 0.0020 m (b) 31.070 mg (c) 1005 mL

  3. (9) Complete the following calculations and record the answer to the correct number of significant figures. You do not have to show math work on this problem.

(a) (85.3 – 21.489) / 0.0059 =

(b) 1239.3 + 9.73 + 3.42 =

(c) 453/ 2.031 =