Snead State Chem 104 Final Exam; Questions and Answers 100% Solved
7 views 0 purchase
Course
Chem 104
Institution
Chem 104
Snead State Chem 104 Final Exam; Questions
and Answers 100% Solved
Consider two beakers, one containing 1.0 M HCl and the other containing 1.0 M CH3COOH.
Which solution would have the lowest ph? Correct answer-1.0 M Hcl because its solution
contains a higher hydronium concentration
Sodium h...
Snead State Chem 104 Final Exam ; Questions and Answers 100% Solved Consider two beakers, one containing 1.0 M HCl and the other containing 1.0 M CH3COOH. Which solution would have the lowest ph? Correct answer -1.0 M Hcl because its solution contains a higher hydronium concentration Sodium hydroxate can react with phosphoric acid in a neutralization reaction. What is the reacting ratio? Correct answer -3:1 Which of the following correctly describes what is meant by the term neutralization? Correct answer -the reaction between an acid and a base to form a salt and water A solution containing a buffer has an initial ph of 8.78. If a student adds 5 drops of HCL to this solution, what would be a reasonable ph for the resulting solution? Correct answer -8.64 An aqueous solution with a low ph is necessary for a certain industrial process. Which of the following solutions would have the lowest ph? Correct answer -1.0 M HCl A solution containing a buffer has an initial ph of 8.78 If a student adds 5 drops of of NaOh to this solution, what would be a reasonable ph for the resulting solution? Correct answer -
8.89 The species that remains after an acid donates a proton is called its conjugate base. What is the conjugate base of a hydronium ion, H3O+? Correct answer -H2O Choose the best classification of the reaction represented by the following equation: C6H12O6(s) + 6O2(g) -> 6CO2(g) + 6H2O(I) Correct answer -combustion What is the hydronium concentration of pure water at 25 degrees celcius? Correct answer -1.0 x 10^ -7 M Snead State Chem 104 Final Exam ; Questions and Answers 100% Solved What is the (OH -) of a solution that has a ph=10.95? Correct answer -8.9 x 10^ -4 M Morphine is used medicinally as a pain reliever. If an aqueous solution of morphine has (H30+)=1.1x10^ -10M, what is the ph of this solution? Correct answer -9.96 What is the pH of a 0.035 M HCl solution? Correct answer -1.46 What is the hydronium ion concentration of of a solution with ph 6.0? Correct answer -
1x10^ -6 M A sample of black coffee was measured to have [H3O+] = 7.94 × 10−6. What is true about this solution? Correct answer -The solution is acidic What is the conjugate acid of NH2 -? Correct answer -NH3 Which of the following statements concerning acids and bases is FALSE? Correct answer -
Addition of a base to water increases the hydronium ion concentration of the solution The reaction of an acid with a base produces a salt and another product. What is the identity of the other product? Correct answer -water Which of the following compounds is NOT considered a polyprotic acid? Correct answer -
CH3COOH Which statement correctly describes what is happening in the reaction shown below: 2Mg(s) + S2(g) -> MgS(s) Correct answer -Mg is oxidized
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 GOLDTUTORS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
