Chemistry week one learning activities

1. Identify the following as an observation (O), a hypothesis (H), an experiment (E), or a conclusion (C).2
a. While conducting a new procedure to peel oranges, John noted that it was faster than the traditional one
b. After repeating a new procedure to peel oranges several times, John realized that it is faster than the traditional procedure.
c. John decided to repeat a new procedure to peel oranges several times to evaluate whether it was faster than the traditional one.
d. John believes that a new procedure to peel oranges will be faster than the traditional one 
2. Solve each of the following for x
a.   x/2 + 2 = 5
b.  4x – 8 = 24
c. 3x + 4 = 13
d. 7a = 49
e. 2b + 5 = b + 9
3. Write the following in scientific notation
a. 4900000
b. 0.0000347
c. 676000000
d. 0.00000908
e. 0.00050
f. 5006000
4. Which number in each of the following pairs is larger?     
a. 2.3 x 107  or  65300
b. 0.0004  or  5.0 x 10-6
c. 2.54 x 103 or  254
d. 4.5 x 10-5  or  7.4 x 10-6
5. How many significant figures are in each of the following?
a. 2.0004
b. 0.00000345
c. 42.000
d. 43000
e. 0.00004200
6.  A sculptor has prepared a mold for casting a bronze figure. The figure has a volume of 675 mL. If the bronze has a density of 7.8 g/mL, how many ounces of bronze are needed in the preparation of the bronze figure?

Get a plagiarism free copy of this essay from our experts
Chemistry week one learning activities
Just from $13/Page
Order Now
Place your order
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
The price is based on these factors:
Academic level
Number of pages
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more

Order your essay today and save 15% with the discount code COCONUT