Principles of General, Organic, Biological Chemistry
2nd Edition
ISBN: 9780073511191
Author: Janice Gorzynski Smith Dr.
Publisher: McGraw-Hill Education
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Chapter 7.4, Problem 7.11P
Why does a soft drink become “flat” faster when it is left open at room temperature compared to when it is left open in the refrigerator?
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*For the expression K=([A][B]^2)/([C][D]^2 ) What chemical reaction can this be? *
a. A(g)+ 2B(g) ↔ C(g) + 2D(g)b. A(g)+ 2B(g) ↔ C(s) + 2D(g)c. 1C(s) + 2D(g) ↔ 1A(g)+ 2B(g)d. C(g) + 2D(g) + E(s) ↔ A(g)+ 2B(g)
Nitrosyl chloride, NOCI, dissociates on heating as shown below.
When a 1.50 gram sample of pure NOCI is heated at 350
degrees C in a volume of 1.00 liter, the percent dissociation is
found to be 57.2%. Calculate Kc for the reaction as written.
NOCI(g)
2 NO(g) + 1/2 Cl,(g)
Julia did an experiment to study the solubility of two substances. She poured 100 mL of water at 20 °C into each of two beakers labeled A and B. She put 50 g of Substance A in the beaker labeled A and 50 g of Substance B in the beaker labeled B. The solution in both beakers was stirred for 1 minute. The amount of substance left undissolved in the beakers was weighed. The experiment was repeated for different temperatures of water and the observations were recorded as shown.
Substance
Mass of Undissolved Substance at Different Temperatures (gram)
20 °C
40 °C
60 °C
80 °C
A
40
37
34
30
B
15
14
13
12
Part 1: Which substance has a higher solubility?Part 2: Explain your answer for Part 1.
Chapter 7 Solutions
Principles of General, Organic, Biological Chemistry
Ch. 7.1 - Classify each substance as a heterogeneous...Ch. 7.1 - Classify each product as a solution, colloid, or...Ch. 7.2 - Consider the following diagrams for an aqueous...Ch. 7.2 - Prob. 7.4PCh. 7.2 - Prob. 7.5PCh. 7.2 - Prob. 7.6PCh. 7.2 - Prob. 7.7PCh. 7.2 - If a solution contains 125 mEq of Na+ per liter,...Ch. 7.3 - Prob. 7.9PCh. 7.3 - Prob. 7.10P
Ch. 7.4 - Why does a soft drink become flat faster when it...Ch. 7.4 - Predict the effect each change has on the...Ch. 7.5 - Prob. 7.13PCh. 7.5 - Prob. 7.14PCh. 7.5 - Prob. 7.15PCh. 7.5 - A drink sold in a health food store contains 0.50%...Ch. 7.5 - Prob. 7.17PCh. 7.5 - Prob. 7.18PCh. 7.5 - Prob. 7.19PCh. 7.6 - Prob. 7.20PCh. 7.6 - Prob. 7.21PCh. 7.6 - Prob. 7.22PCh. 7.6 - Prob. 7.23PCh. 7.6 - Prob. 7.24PCh. 7.7 - Prob. 7.25PCh. 7.7 - Prob. 7.26PCh. 7.7 - Prob. 7.27PCh. 7.8 - Which solution in each pair exerts the greater...Ch. 7.8 - Describe the process that occurs when a 1.0 M NaCl...Ch. 7.8 - Prob. 7.30PCh. 7 - Prob. 7.31UKCCh. 7 - Prob. 7.32UKCCh. 7 - Prob. 7.33UKCCh. 7 - Prob. 7.34UKCCh. 7 - Prob. 7.35UKCCh. 7 - Prob. 7.36UKCCh. 7 - Prob. 7.37UKCCh. 7 - Prob. 7.38UKCCh. 7 - Prob. 7.41UKCCh. 7 - Prob. 7.42UKCCh. 7 - Prob. 7.43APCh. 7 - Prob. 7.44APCh. 7 - Prob. 7.45APCh. 7 - Prob. 7.46APCh. 7 - Prob. 7.47APCh. 7 - Prob. 7.48APCh. 7 - Prob. 7.49APCh. 7 - Prob. 7.50APCh. 7 - Prob. 7.51APCh. 7 - Prob. 7.52APCh. 7 - Prob. 7.53APCh. 7 - Prob. 7.54APCh. 7 - Prob. 7.55APCh. 7 - Prob. 7.56APCh. 7 - Prob. 7.57APCh. 7 - Prob. 7.58APCh. 7 - Prob. 7.59APCh. 7 - Prob. 7.60APCh. 7 - Prob. 7.61APCh. 7 - Prob. 7.62APCh. 7 - Prob. 7.63APCh. 7 - Prob. 7.64APCh. 7 - Prob. 7.65APCh. 7 - Prob. 7.66APCh. 7 - Prob. 7.67APCh. 7 - Prob. 7.68APCh. 7 - Prob. 7.69APCh. 7 - Prob. 7.70APCh. 7 - Prob. 7.71APCh. 7 - Prob. 7.72APCh. 7 - Prob. 7.73APCh. 7 - Prob. 7.74APCh. 7 - Prob. 7.75APCh. 7 - Prob. 7.76APCh. 7 - Prob. 7.77APCh. 7 - Prob. 7.78APCh. 7 - Prob. 7.79APCh. 7 - Prob. 7.80APCh. 7 - Prob. 7.81APCh. 7 - Prob. 7.82APCh. 7 - Prob. 7.83APCh. 7 - Prob. 7.84APCh. 7 - Prob. 7.85APCh. 7 - Prob. 7.86APCh. 7 - Prob. 7.87APCh. 7 - Prob. 7.88APCh. 7 - Prob. 7.89APCh. 7 - Prob. 7.90APCh. 7 - If the concentration of glucose in the blood is 90...Ch. 7 - Prob. 7.92APCh. 7 - Prob. 7.93APCh. 7 - Prob. 7.94APCh. 7 - Prob. 7.95APCh. 7 - Prob. 7.96APCh. 7 - Prob. 7.97APCh. 7 - Prob. 7.98APCh. 7 - Prob. 7.99APCh. 7 - Prob. 7.100APCh. 7 - Prob. 7.101APCh. 7 - Prob. 7.102APCh. 7 - Prob. 7.103CPCh. 7 - Prob. 7.104CP
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- . What does it mean to say that a state of chemical or physical equilibrium is dynamic?arrow_forwardDescribe a nonchemical system that is not in equilibrium, and explain why equilibrium has not been achieved.arrow_forwardConsider the following reaction where K, = 9.52×10-² at 350 K. CHĄ(g) + CCl4(g) 2CH2Cl(g) A reaction mixture was found to contain 5.22x102 moles of CH4(g), 3.96×102 moles of CCL(g) and 1.21x102 moles of CH,Ch(g), in a 1.00 liter container. Is the reaction at equilibrium? If not, what direction must run in order to reach equilibrium? The reaction quotient, Qc. equals | The reaction A. must run in the forward direction to reach equilibrium. B. must run in the reverse direction to reach equilibrium. C. is at equilibrium.arrow_forward
- Consider the following reactions: CO (g) + 2 H2S (g) D CS2 (g) + H2O (g) + H2 (g) K1 = 1.3 x 105 ½ CH4 (g) + H2S (g) D ½ CS2 (g) + 2 H2 (g) K2 = 180 1. Find the equilibrium constant for: 2 CO (g) + 6 H2 (g) D 2 CH4 (g) + 2 H2O (g) 2. What molecules in the steps are reaction intermediates? 3. If 0.500 atm of CO, H2, CH4, and H2O are initially placed in the same container, then given your answer in part a., determine which direction the reaction will shift in order to establish equilibrium.arrow_forwardIn an experiment, 7.01 atm each of H2 and Cl2 were placed into a 1.00 L flask and allowed to react H2(g)+Cl2(g)=2HCl(g) given that Kc=68.1, what is the equilibrium pressure of HClarrow_forwardConsider the following reaction where K. = 10.5 at 350 K. 2CH,Cl2(g)=CH4(g) + CCl(g) A reaction mixture was found to contain 1.20×102 moles of CH,Ch(g), 5.06×10-2 moles of CH(g), and 4.16x102 moles of CCl4(g). in a 1.00 liter container. Is the reaction at equilibrium? If not, what direction must it run in order to reach equilibrium? The reaction quotient, Qe equals The reaction A. must run in the forward direction to reach equilibrium. B. must run in the reverse direction to reach equilibrium. C. is at equilibrium.arrow_forward
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