Exam (elaborations)
dombi chem 103 exam 1 with correct answers
- Course
- Institution
dombi chem 103 exam 1 with correct answers
[Show more]
Content preview
dombi chem 103 exam 1 with correctanswers
A piece of shiny metal was found pm the edge of the road. The metal was put on a
balance and had a mass of 1.325g. The volume was determined by difference when
the metal was placed into a 20.00 ml column of oil, which was displaced to 34.97ml.
- correct answers✔✔a) volume=14.97ml
b) 0.08851
possible metal density: aluminum, zinc, lead, uranium - correct answers✔✔unknown
light chocolate melts at 88.2 degrees f. What would this temperature be if reported
on both the Celsius scale and the Kelvin scale? - correct answers✔✔31.2c
304.4 k
Cysteine, C3H7NO2S is a sulfur containing amino acid often found in the active site
of protein enzymes. Given a 45.0g sample of cysteine, how many atoms of o can be
isolated?
a) write avocadros statement
b) number of moles of cysteine in 45 grams of cysteine
c) number of o atoms in 45 g cysteine - correct answers✔✔a) 1 mole
cysteine=6.022x10^23 molecules=121.156g
b) 0.371
c) 4.47x10^23
each gold buffalo coin weighs 1.00 oz and has face =value of $50. The price of gold
is $41.65 per gram. How much would it cost to buy 15 gold buffalo coins? 1g=0.035
oz - correct answers✔✔17,850
At its closest approach to each, the planet mars in 33.9 million miles away. What is
the correct way to express that in scientific notation? - correct
answers✔✔3.39x10^7 miles away
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 Schoolplug. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79223 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now