Exam (elaborations)
Chem 104 exam 3 questions and answers
- Course
- Institution
Chem 104 exam 3 questions and answers
[Show more]
Content preview
Chem 104 exam 3 questions and answers Zeroth (0thLaw) - correct answer If two thermodynamic systems each are inthermal equilibrium with a third one, then they must be in
thermal equilibrium with each other
First (1stLaw) - correct answer Energy cannot be created or destroyed
Second (2ndLaw) - correct answer Entropy increases in all spontaneous processes
Third (3rdLaw) - correct answer The entropy of a pure perfect crystal is zero at absolute zero
What is an Intensive? - correct answer A property that is independent of the size of the system
Example of intensive - correct answer T emperature, density Chem 104 exam 3 questions and answers What is extensive? - correct answer A property that scales with the size of the system
examples of extensive properties - correct answer Mass (moles), Volume, weight, length
State function - correct answer A function or property that depends ONLY on the initial and final states of the system and independent of the path between
example of state function - correct answer P, V, T, E
Path function - correct answer A function or property that depends on the path taken b/w initial and final states
examples of path functions - correct answer q, w
internal Energy - correct answer Sum of all energies in a system Chem 104 exam 3 questions and answers ΔE = q + w - correct answer Mathematical Expression of the 1stLaw
+q - correct answer system gains heat
-q - correct answer lost energy in form of heat
+w - correct answer gained energy from work
-w - correct answer lost energy in form of work
Heat (q) - correct answer The transfer or exchange of thermal energy between the system and the surroundings
What are buffers? - correct answer Any solution that maintains an approximately constant pH despite small additions of strong acids or bases
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 Chloelunar. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now