H,0 + HCN = H,0+ +¯CN a. Identify each species as a Brønsted acid or base. Select the correct assignments. H,0 is the base and HCN is the acid. O H,0+ is the acid and "CN is the base. O H,0 is the acid and HCN is the base. H,O* is the base and "CN is the acid.

Chemistry
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Peter Vollhardt and Neil Schore
presented by Macmillan Learnin
Consider the reaction shown, then determine whether (a) each species is a Brønsted acid or base. (b) Indicate whether
equilibrium lies to the left or to the right. (c) Then estimate the equilibrium constant, K.
H,O + HCN = H,0+ + ¯CN
a. Identify each species as a Brønsted acid or base. Select the correct assignments.
H,O is the base and HCN is the acid.
H,0* is the acid and -CN is the base.
H,O is the acid and HCN is the base.
H,0* is the base and -CN is the acid.
b. Which direction does equilibrium lie?
O Equilibrium lies to the right.
Equilibrium lies to the left.
Use the data to estimate the Keg of the forward reaction.
?
Ka
pKa
Transcribed Image Text:Peter Vollhardt and Neil Schore presented by Macmillan Learnin Consider the reaction shown, then determine whether (a) each species is a Brønsted acid or base. (b) Indicate whether equilibrium lies to the left or to the right. (c) Then estimate the equilibrium constant, K. H,O + HCN = H,0+ + ¯CN a. Identify each species as a Brønsted acid or base. Select the correct assignments. H,O is the base and HCN is the acid. H,0* is the acid and -CN is the base. H,O is the acid and HCN is the base. H,0* is the base and -CN is the acid. b. Which direction does equilibrium lie? O Equilibrium lies to the right. Equilibrium lies to the left. Use the data to estimate the Keg of the forward reaction. ? Ka pKa
b. Which direction does equilibrium lie?
Equilibrium lies to the right.
Equilibrium lies to the left.
e the data to estimate the Keg of the forward reaction.
Ka
pKa
H,0*
50
-1.7
НCN
6.3 x 10-10
9.2
eq is
x10
?
Transcribed Image Text:b. Which direction does equilibrium lie? Equilibrium lies to the right. Equilibrium lies to the left. e the data to estimate the Keg of the forward reaction. Ka pKa H,0* 50 -1.7 НCN 6.3 x 10-10 9.2 eq is x10 ?
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