Homework Answers
8) When the system at equilibrium,
the process is not spontaneous in either direction.
Ans = D
9) The entropy of universe is = constantly increasing.
Ans = C
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When a system is at equilibrium. the reverse process is spontaneous but the forward process is...
When a system is at equilibrium, Select one: O a. both forward and reverse processes have...
When a system is at equilibrium, Select one: O a. both forward and reverse processes have stopped O b. the reverse process is spontaneous but the forward process is not O c. the forward and the reverse processes are both spontaneous O d. the process is not spontaneous in either direction o e. the forward process is spontaneous but the reverse process is not
1)Reversible processes are generally: A)Exergonic B) Spontaneous C) At equilibrium D) Endergonic 2) Which of the...
1)Reversible processes are generally: A)Exergonic B) Spontaneous C) At equilibrium D) Endergonic 2) Which of the following processes would be considered reversible? A) The digestion of food B) The melting of ice at 0oC C) The vaporization of water at 75oC D) The rusting of iron 3) Which of the following is a statement of the first law of thermodynamics? A) A state of complete order occurs at absolute zero B) A spontaneous process will occur with an increase in...
(aq) (1) Mg(OH)2 is partially dissolved in water: Mg(OH), (s) = Mg2+ (aq) + 2OH Write...
(aq) (1) Mg(OH)2 is partially dissolved in water: Mg(OH), (s) = Mg2+ (aq) + 2OH Write the Kop expression for Mg(OH)2 : Kp = (2) Solid AgCl is partially dissolved in water: AgCl 2 Ag+ + CI''. If the molar solubility is known as [Ag +) = [CI''] = 1.3x 10 M, AgCl Kip =- (a) 1.3 x 10 (b) 1.69 x 10-10 (c) 2.6 x 10 (d) none of these (3) At 25 °C, the solubility of solid AgCl...
Principle of Chemistry II Test 3 (Chapters 15, 16) Date: Name: Mg? (aq) + 2OH(aq) (1)...
Principle of Chemistry II Test 3 (Chapters 15, 16) Date: Name: Mg? (aq) + 2OH(aq) (1) Merois partially dissolved in water: Mg(OH)2 () Write the Kp expression for Mg(OH):: K = (2) Solid AgCl is partially dissolved in water: AgCl 2 Ag+ + CI'. If the molar solubility is known as (Ag +) - CI') = 1.3x 10 M. AgCI Kp = (a) 1.3 x 10 (b) 1.69 x 100 (c) 2.6 x 10% (d) none of these (3) At...
a) 4.9 x 10'M b)24x10 M c)5.8x 1010 M )1.2 x 10 M 19. Which one of the following compounds will have the lowest molar solubility in pur water? b) CuS, Ksp 1.27x103 d) ZnS, Ksp = 1.6 x 10-24 a...
a) 4.9 x 10'M b)24x10 M c)5.8x 1010 M )1.2 x 10 M 19. Which one of the following compounds will have the lowest molar solubility in pur water? b) CuS, Ksp 1.27x103 d) ZnS, Ksp = 1.6 x 10-24 a) PbS, Ksp 9.04 x 102 e) Al(OH)s, Ksp 3 x 1034 What is the molar solubility, i.e. [Fe , in a saturated aqueous solution of 20. Fe(OH)20) Fe(OH(s)Fe2+(aa) + 201H (ag), Ksp 4.87 x 101" a) 2.44 x 1017...
QUESTION 5 Consider the formation of solid silver chloride from aqueous silver and chloride ions. Given...
QUESTION 5
Consider the formation of solid silver chloride from aqueous
silver and chloride ions.
Given the following table of thermodynamic data at 298 K:
The value of K for the reaction at 25 °C is ________.
a)
1.8 × 104
b)
3.7 × 1010
c)
1.9 × 10-10
d)
810
e)
5.3 × 109
QUESTION 6
Consider the reaction:
NH 3 (g) + HCl (g) → NH 4Cl (s)
Given the following table of thermodynamic data,
...
[References) Calculate the molar solubility of Ag, SO4 in pure water. Ksp (Ag, 504) = 1.7...
[References) Calculate the molar solubility of Ag, SO4 in pure water. Ksp (Ag, 504) = 1.7 x 10-5 Molar solubility = 1 mol/L Calculate the molar solubility of Ag, SO4 in 0.022MAgNO3. Molar solubility = mol/L Calculate the molar solubility of Ag, SO4 in 0.022MK2SO4. Molar solubility = mol/L APPENDIX Solubility Product Constants for Some Inorganic Compounds at 25°C Substance K Substance 1.6 x 10-16 1.9 X 10-33 1.3 x 10-30 7.8 x 10-21 6.7 X 10-11 24 X 10-...
1.The spontaneity of system or a biochemical reaction can be determined by: A) Enthalpy alone B)...
1.The spontaneity of system or a biochemical reaction can be determined by: A) Enthalpy alone B) Entropy alone C) Gibbs Free energy D) Temperature and heat 2.A reaction in equilibrium where both forward and reverse reactions are proceeding equally, will have a DELTA G value of: A) Positive B) Zero C) Negative 3.A reaction was originally endergonic, but became exergonic after reducing the temperature. Therefore, this reaction originally had __________ deltaH and a ______ delta S. A) small positive, large...
Can someone help me finish my table? all the inforamtion is there. molarity of HCL =0.5M g...
can someone help me finish my
table? all the inforamtion is there.
molarity of HCL =0.5M
grams of borax = 18.41g
the Relationship between Thermodynamics and Equilibrium 21 Complete the data table for each temperature studied. Beaker Label 42 °C 45 °C 36 ° C 39 °C 33 °C 2EC 138℃-2°C| ーでー 46℃ Temperature reading (C) Absolute temperature (K) 1/T Final buret reading Initial buret reading Volume of HCI Moles of H+ Moles of B Os(OH)2 Molarity of B,Os(OH)2 306.230.2...
When a system is at equilibrium, Select one: O a. both forward and reverse processes have stopped O b. the reverse process is spontaneous but the forward process is not O c. the forward and the reverse processes are both spontaneous O d. the process is not spontaneous in either direction o e. the forward process is spontaneous but the reverse process is not
(aq) (1) Mg(OH)2 is partially dissolved in water: Mg(OH), (s) = Mg2+ (aq) + 2OH Write the Kop expression for Mg(OH)2 : Kp = (2) Solid AgCl is partially dissolved in water: AgCl 2 Ag+ + CI''. If the molar solubility is known as [Ag +) = [CI''] = 1.3x 10 M, AgCl Kip =- (a) 1.3 x 10 (b) 1.69 x 10-10 (c) 2.6 x 10 (d) none of these (3) At 25 °C, the solubility of solid AgCl...
Principle of Chemistry II Test 3 (Chapters 15, 16) Date: Name: Mg? (aq) + 2OH(aq) (1) Merois partially dissolved in water: Mg(OH)2 () Write the Kp expression for Mg(OH):: K = (2) Solid AgCl is partially dissolved in water: AgCl 2 Ag+ + CI'. If the molar solubility is known as (Ag +) - CI') = 1.3x 10 M. AgCI Kp = (a) 1.3 x 10 (b) 1.69 x 100 (c) 2.6 x 10% (d) none of these (3) At...
a) 4.9 x 10'M b)24x10 M c)5.8x 1010 M )1.2 x 10 M 19. Which one of the following compounds will have the lowest molar solubility in pur water? b) CuS, Ksp 1.27x103 d) ZnS, Ksp = 1.6 x 10-24 a) PbS, Ksp 9.04 x 102 e) Al(OH)s, Ksp 3 x 1034 What is the molar solubility, i.e. [Fe , in a saturated aqueous solution of 20. Fe(OH)20) Fe(OH(s)Fe2+(aa) + 201H (ag), Ksp 4.87 x 101" a) 2.44 x 1017...
QUESTION 5
Consider the formation of solid silver chloride from aqueous
silver and chloride ions.
Given the following table of thermodynamic data at 298 K:
The value of K for the reaction at 25 °C is ________.
a)
1.8 × 104
b)
3.7 × 1010
c)
1.9 × 10-10
d)
810
e)
5.3 × 109
QUESTION 6
Consider the reaction:
NH 3 (g) + HCl (g) → NH 4Cl (s)
Given the following table of thermodynamic data,
...
[References) Calculate the molar solubility of Ag, SO4 in pure water. Ksp (Ag, 504) = 1.7 x 10-5 Molar solubility = 1 mol/L Calculate the molar solubility of Ag, SO4 in 0.022MAgNO3. Molar solubility = mol/L Calculate the molar solubility of Ag, SO4 in 0.022MK2SO4. Molar solubility = mol/L APPENDIX Solubility Product Constants for Some Inorganic Compounds at 25°C Substance K Substance 1.6 x 10-16 1.9 X 10-33 1.3 x 10-30 7.8 x 10-21 6.7 X 10-11 24 X 10-...
can someone help me finish my
table? all the inforamtion is there.
molarity of HCL =0.5M
grams of borax = 18.41g
the Relationship between Thermodynamics and Equilibrium 21 Complete the data table for each temperature studied. Beaker Label 42 °C 45 °C 36 ° C 39 °C 33 °C 2EC 138℃-2°C| ーでー 46℃ Temperature reading (C) Absolute temperature (K) 1/T Final buret reading Initial buret reading Volume of HCI Moles of H+ Moles of B Os(OH)2 Molarity of B,Os(OH)2 306.230.2...
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