CHEM 121 MODULE 1 EXAM|| QUESTIONS AND ANSWERS - PORTAGE LEARNING.

M1: Exam - Requires Respondus LockDown
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 Due No due date




 Points 100




 Questions 10




 Time Limit 120 Minutes
 Requires Respondus LockDown Browser


Attempt History
Attempt Time Score

LATEST Attempt 1 68 minutes 85 out of 100
Score for this quiz: 85 out of 100
Submitted Nov 24, 2021 at 10:29am
This attempt took 68 minutes.

1

You may find the following resources helpful:
Scientific Calculator (Links to an external site.)
Periodic Table
Equation Table

, Complete the two problems below:
1. Convert 845.3 to exponential form and explain your answer.

2. Convert 3.21 x 10-5 to ordinary form and explain your answer.
Your Answer:
8.453 x 10 ^2 the decimal moved 2 places


0.0000321 decimal moved 5 places
1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places = 8.453 x
102


2. Convert 3.21 x 10-5 = negative exponent = smaller than 1, move decimal 5 places =
0.0000321

2

You may find the following resources helpful:
Scientific Calculator (Links to an external site.)
Periodic Table
Equation Table




Using the equation bank, complete the two conversions shown below, showing all
work:




1. 2.73 liters = ? ml

2. 8.6 pts = ? qts
Your Answer:
2.73 x 1000 = 2,730ml