100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
CHEM 103 Final Exam (Latest-2022)/ CHEM103 Final Exam / CHEM 103 General Chemistry Final Exam/ CHEM103 General Chemistry Final Exam: Portage Learning |Verified Q & A| $20.49   Add to cart

Exam (elaborations)

CHEM 103 Final Exam (Latest-2022)/ CHEM103 Final Exam / CHEM 103 General Chemistry Final Exam/ CHEM103 General Chemistry Final Exam: Portage Learning |Verified Q & A|

 3 views  0 purchase
  • Course
  • Institution

CHEM 103 Final Exam (Latest-2022)/ CHEM103 Final Exam / CHEM 103 General Chemistry Final Exam/ CHEM103 General Chemistry Final Exam: Portage Learning |Verified Q & A|

Preview 2 out of 7  pages

  • November 2, 2022
  • 7
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers
avatar-seller
CHEM 103 Final Exam
Question 1
1. Convert 0.0000726 to exponential form and explain your answer.


2. Convert 5.82 x 103 to ordinary form and explain your answer.



Answer:
1. Convert 0.0000726 = smaller than 1 = negative exponent, move decimal 5
places = 7.26 x 10-5



2. Convert 5.82 x 103 = positive exponent = larger than 1, move decimal 3 places
= 5820


Question 2

Do the conversions shown below, showing all work:




1. 28oC = ? oK




2. 158oF = ? oC




3. 343oK = ? oF



Answer:

, 1. 28oC + 273 = 301 oK oC → oK (make larger) +273

2. 158oF - 32 ÷ 1.8 = 70 oC oF → oC (make smaller) -32 ÷1.8

3. 343oK - 273 = 70 oC x 1.8 + 32 = 158 oF oK → oC → oF


Question 3

Show the calculation of the number of moles in the given amount of the following
substances. Report your answerto 3 significant figures.


1. 12.0 grams of Ca3(PO4)2

2. 15.0 grams of C9H8NO4Cl


Answer:

1. Moles = grams / molecular weight = 12..18 = 0.0387 mole



2. Moles = grams / molecular weight = 15..61 = 0.0653 mole




Question 4
Not yet graded / 10 pts


Click this link to access the Periodic Table.

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller HIGHGRADE. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $20.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

79373 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$20.49
  • (0)
  Add to cart