Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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Please help me with these 3 I don’t need the actual work just the letter bubbles 8,10,11
Transcribed Image Text:For questions 8-9, consider the
electrochemical cell:
(A) No change because temperature
does not affect bond angle.
(B) Increase because molecules are
moving faster.
(C) Increase because atoms have
more kinetic energy.
(D) Increase because as the degrees
of temperature increase, the
degrees of angle increase.
CulCu (1 M) || Ag (1 M)|Ag
The cell reaction is
2 Ag*(aq) + Cu(s) Cu (aq) + 2 Ag(s).
The measured voltage is +0.46 V.
8. Increasing the concentration of
silver ions will
(A) cause a decrease in blue color in
the cell
11. The amount of silver which will be
formed when 0.00200 mol of Ag:S
reacts completely with excess zinc is
(A) 0.00100 mol
(B) 0.00200 mol
(C) 0.00400 mol
(D) 0.00800 mol
(B) increase the cell voltage above
+0.46 V
(C) decrease the concentration of
copper(II) ions
(D) cause no change in the cell
voltage
10. The diagram below shows how the
potential energy of N-C-O bond is
related to bond angle. At 300 K, the
atoms vibrate and deviate
approximately +/-4° from the
average bond angle. How does an
increase in temperature affect the
deviation in the bond angle?
WART
120
125
130
115
N-C-O bond angle in degress
6OL Smart 1995
potential energy in kimel
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