Exam (elaborations)
Chem 116 Exam Questions & Correct Verified AnswersChem 116 Exam Questions & Correct Verified Answers
- Course
- Institution
Chem 116 Exam Questions & Correct Verified Answers
[Show more]
Seller
Follow
Content preview
Chem 116 Exam Questions & CorrectVerified Answers
70% isopropyl alcohol is an example of __ solution - ✔✔Liquid/liquid
The hydrogen peroxide sold in drug stores is composed of 3% hydrogen peroxide and 97% water. In
this solution - ✔✔Hydrogen peroxide is the solute
1 gram of table salt (NaCl) is dropped into a beaker containing 50 grams of water and stirred until a clear
liquid is visible and all of the salt has dissolved. This process may be described as - ✔✔The formation
of a homogenous solution
Molarity is defined as moles of solute per - ✔✔Kilogram of solvent
To make a 3.00M solution, one could take 3.00 moles of solute and add - ✔✔Enough solvent to
make 1.00L of solution
to make a 5.00m solution, one could take 5.00 moles of solute and add - ✔✔1.00kg of solvent
A 0.060m aqueous solution containing which solute will have the highest boiling point? - ✔✔All
will have approximately the same boiling point
A 0.060m aqueous solution containing which solute will have the lowest freezing point? - ✔✔Na2SO4
in the process of dissolving ionic compounds, the cations and anions are separated from the crystal
lattice and surrounded by an ordered shell of solvent molecules. If the solvent is water, the dissolved
ions are said to be - ✔✔Hydrated
, What are the major solute-solvent interactions created when sodium chloride (NaCl) dissolves in water?
- ✔✔Ion-dipole
A solution is 2.25% by mass NaHCO3. How many grams of NaHCO3 are in 450.0 g of solution? -
✔✔10.1 g
A 0.50m solution of which solute has the largest can't Hogg Factor? - ✔✔K3PO4
What is the expected freezing point of a 1.5m solution of glucose in water? If for water is 1.86C -
✔✔-2.8C
Which term describes the measure of the increase in the concentration of a product per unit time? -
✔✔Reaction rate
"Instantaneous rate" is defined as the - ✔✔Rate of reaction at a particular time
Molecular hydrogen can be made from methane gas by the reaction below. How is the rate
of disappearance of CH4 related to the rate of appearance of H2?
-delta [CH4] \ delta t
CH4 + H2O —> CO + 3H2 - ✔✔1 delta [H2] \ 3 delta t
The reaction shown below has the rate law : Rate= k [BrO3-][Br-][H+]2.
BrO3- + 5Br- + 6H+ —> 3Br2 + 3 H2O
What is the overall order of reaction - ✔✔Fourth
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 KenAli. 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)
76462 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now