Pearson eText Basic Chemistry -- Instant Access (Pearson+)
6th Edition
ISBN: 9780135765982
Author: Karen Timberlake, William Timberlake
Publisher: PEARSON+
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Chapter 17, Problem 86APP
Classify each of the following according to its
- BHA is an antioxidant used as a preservative in foods such as baked goods, butter, meats, and snack foods.
 |
 Baked goods contain BHA as a preservative. |
 |
 Butter |
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Calculating the pH at equivalence of a titration
A chemist titrates 210.0 mL of a 0.1003 M hydrobromic acid (HBr) solution with 0.7550M KOH solution at 25 °C. Calculate the pH at equivalence.
Round your answer to 2 decimal places.
Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of KOH solution added.
pH = ]
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Do you do chemistry assignments
Using the conditions of spontaneity to deduce the signs of AH and AS
Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy
AS.
Note: if you have not been given enough information to decide a sign, select the "unknown" option.
reaction
observations
conclusions
A
This reaction is always spontaneous, but
proceeds slower at temperatures above
120. °C.
ΔΗ is
(pick one)
AS is
(pick one)
ΔΗ is
(pick one)
B
This reaction is spontaneous except above
117. °C.
AS is
(pick one)
ΔΗ is
(pick one)
This reaction is slower below 20. °C than
C
above.
AS is
|(pick one)
?
18
Ar
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Chapter 17 Solutions
Pearson eText Basic Chemistry -- Instant Access (Pearson+)
Ch. 17.1 - Prob. 1PPCh. 17.1 - Prob. 2PPCh. 17.1 - Prob. 3PPCh. 17.1 - Prob. 4PPCh. 17.1 - Prob. 5PPCh. 17.1 - Prob. 6PPCh. 17.1 - Prob. 7PPCh. 17.1 - Prob. 8PPCh. 17.1 - Prob. 9PPCh. 17.1 - Prob. 10PP
Ch. 17.1 - Prob. 11PPCh. 17.1 - Draw the condensed structural formula for each of...Ch. 17.1 - Prob. 13PPCh. 17.1 - Prob. 14PPCh. 17.1 - Prob. 15PPCh. 17.1 - Prob. 16PPCh. 17.1 - Prob. 17PPCh. 17.1 - Prob. 18PPCh. 17.2 - Prob. 19PPCh. 17.2 - Identify each of the following as an alkane,...Ch. 17.2 - Prob. 21PPCh. 17.2 - Prob. 22PPCh. 17.2 - Prob. 23PPCh. 17.2 - Prob. 24PPCh. 17.2 - Draw the condensed structural formula for the...Ch. 17.2 - Prob. 26PPCh. 17.2 - Prob. 27PPCh. 17.2 - Prob. 28PPCh. 17.2 - Prob. 29PPCh. 17.2 - Prob. 30PPCh. 17.2 - Prob. 31PPCh. 17.2 - Prob. 32PPCh. 17.3 - Prob. 33PPCh. 17.3 - Prob. 34PPCh. 17.3 - Prob. 35PPCh. 17.3 - Draw the line-angle formula for each of the...Ch. 17.4 - Prob. 37PPCh. 17.4 - Prob. 38PPCh. 17.4 - Prob. 39PPCh. 17.4 - Write the common name for each of the following:...Ch. 17.4 - Draw the condensed structural and line-angle...Ch. 17.4 - Draw the condensed structural and line-angle...Ch. 17.5 - Write the common name for each of the following:Ch. 17.5 - Write the common name for each of the following:Ch. 17.5 - Prob. 45PPCh. 17.5 - Prob. 46PPCh. 17.5 - Prob. 47PPCh. 17.5 - Draw the condensed structural formula for a and b...Ch. 17.6 - Prob. 49PPCh. 17.6 - Write the IUPAC and common name (if any) for each...Ch. 17.6 - Prob. 51PPCh. 17.6 - Prob. 52PPCh. 17.6 - Prob. 53PPCh. 17.6 - Prob. 54PPCh. 17.6 - Prob. 55PPCh. 17.6 - Prob. 56PPCh. 17.6 - Prob. 57PPCh. 17.6 - Write the IUPAC and common names, if any, for each...Ch. 17.6 - Draw the condensed structural formulas for a and b...Ch. 17.6 - Draw the condensed structural formulas for a and b...Ch. 17.7 - Write the common name for each of the following:...Ch. 17.7 - Prob. 62PPCh. 17.7 - Prob. 63PPCh. 17.7 - Prob. 64PPCh. 17.7 - Prob. 65PPCh. 17.7 - Prob. 66PPCh. 17.7 - Prob. 67PPCh. 17.7 - Prob. 68PPCh. 17.7 - Prob. 69PPCh. 17.7 - Prob. 70PPCh. 17.7 - Prob. 71PPCh. 17.7 - Prob. 72PPCh. 17 - The chapter sections to review are shown in...Ch. 17 - The chapter sections to review are shown in...Ch. 17 - Prob. 75UTCCh. 17 - Prob. 76UTCCh. 17 - Prob. 77APPCh. 17 - Prob. 78APPCh. 17 - Prob. 79APPCh. 17 - Prob. 80APPCh. 17 - Prob. 81APPCh. 17 - Prob. 82APPCh. 17 - Prob. 83APPCh. 17 - Prob. 84APPCh. 17 - Classify each of the following according to its...Ch. 17 - Classify each of the following according to its...Ch. 17 - Name each of the following aromatic compounds:...Ch. 17 - Prob. 88APPCh. 17 - Prob. 89APPCh. 17 - Draw the structural formula for each of the...Ch. 17 - Prob. 91APPCh. 17 - Prob. 92APPCh. 17 - Draw the condensed structural formula for each of...Ch. 17 - Draw the condensed structural formula for each of...Ch. 17 - Write the IUPAC name for each of the following:...Ch. 17 - Write the IUPAC name for each of the following:...Ch. 17 - Draw the condensed structural formulas for a and b...Ch. 17 - Prob. 98APPCh. 17 - Prob. 99APPCh. 17 - Prob. 100APPCh. 17 - Prob. 101APPCh. 17 - Draw the condensed structural formula for each of...Ch. 17 - Prob. 103APPCh. 17 - Prob. 104APPCh. 17 - Prob. 105CPCh. 17 - Prob. 106CPCh. 17 - The following problems are related to the topics...Ch. 17 - Prob. 108CPCh. 17 - The following problems are related to the topics...Ch. 17 - Prob. 110CP
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- Decide whether these proposed Lewis structures are reasonable. proposed Lewis structure Yes. Is the proposed Lewis structure reasonable? Cl- : 2: :Z: :Z: N—N : 0: C C1: O CO No, it has the wrong number of valence electrons. The correct number is: ☐ No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* ☐ Yes. No, it has the wrong number of valence electrons. The correct number is: ☐ No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* | Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* | If two or more atoms of the same element don't satisfy the octet rule, just enter the chemical symbol as many times as necessary. For example, if two oxygen atoms don't satisfy the octet rule, enter "0,0". ☑arrow_forwardUse the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy AS. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction observations conclusions ΔΗ is (pick one) A This reaction is faster above 103. °C than below. AS is (pick one) ΔΗ is (pick one) B This reaction is spontaneous only above -9. °C. AS is (pick one) ΔΗ is (pick one) C The reverse of this reaction is always spontaneous. AS is (pick one) 18 Ararrow_forwardUse the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy AS. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction observations conclusions A The reverse of this reaction is always spontaneous but proceeds slower at temperatures below 41. °C. ΔΗ is (pick one) AS is (pick one) ΔΗ is (pick one) B This reaction is spontaneous except above 94. °C. AS is (pick one) This reaction is always spontaneous, but ΔΗ is (pick one) C proceeds slower at temperatures below −14. °C. AS is (pick one) Х 00. 18 Ar 무ㅎ B 1 1arrow_forward
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