![Calculation the concentration of (H+] in a solution in which (OH) = 4*[+]? 5*10-8 4 0.5*10-14 QUESTION 3 Amphiprotic substanc](http://img.homeworklib.com/questions/72645370-a605-11eb-b8df-f5ee2628372c.png?x-oss-process=image/resize,w_560)
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![Arms & 10-14 m so [++} { ux[ht}} = 10-14 As we know [nt][on}= wrivan [on]: 4x[ht] [ht] 2= u [ht] = 0.25X10-14 Che+3 = 5X108 m](http://img.homeworklib.com/questions/73c355d0-a605-11eb-b704-8dfd60494b69.png?x-oss-process=image/resize,w_560)
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Calculation the concentration of (H+] in a solution in which (OH) = 4*[+]? 5*10-8 4 0.5*10-14...
9. What does it mean if Keq < 1, at equilibrium? The concentration of reactants is...
9. What does it mean if Keq < 1, at equilibrium? The concentration of reactants is greater than the concentration of products. b. The concentration of products is greater than the concentration of reactants. The rate of the forward reaction is greater than the rate of the reverse reaction. c. d. The rate of the reverse reaction is greater than the rate of the forward reaction. e. The concentration of products and reactants are about the same. Which of the...
< Week 2 Assignment: Nuclear Chemistry and Chemical Equilibrium Equilibrium Constant and Reaction Quotient 16 of...
< Week 2 Assignment: Nuclear Chemistry and Chemical Equilibrium Equilibrium Constant and Reaction Quotient 16 of 36 > Review Constants Periodic Table At equilibrium, the concentrations of reactants and products can be predicted using the equilibrium constant, which is a mathematical expression based on the chemical equation. For example, in the reaction A+BBC + dD Part A where a, b, c, and d are the stoichiometria coefficients, the equilibrium constant is A mixture initially contains A, B, and in the...
13 Question (3 points) Choose the correct equilibrium constant expression for the following reaction 2HF(g) +H,0()...
13 Question (3 points) Choose the correct equilibrium constant expression for the following reaction 2HF(g) +H,0() H20+ (aq) + HF, (aq) c. K= [H,0+][HE] (HF) [H20+][HE] (HF)[ HO] [H3O+][HF3] [HF] [HO] [HF12 D. K IH,+ HFZ. Choose one: OA Ов < 12.-
Q(17) Which species is amphiprotic? A) H3PO4 C) PO43- D) None of these B) H2PO4 Q(18)...
Q(17) Which species is amphiprotic? A) H3PO4 C) PO43- D) None of these B) H2PO4 Q(18) Ni(CO)4(g)Nis)+ 4 CO(g)Adding nickel (solid) to this reaction will cause the equilibrium to C) remain unchanged E) it depends on the amount added B) Shift toward the reactants A) Shift toward the products D) increase the temperature Q(19) CO2 H2 CO + H20 Adding a catalyst to this reaction will cause the [CO] at equilibrium to A) Shift toward the products C) remain unchanged...
Use the energy diagrams of the two reactions to answer the questions. Reaction A Reaction B...
Use the energy diagrams of the two reactions to answer the questions. Reaction A Reaction B Energy HHHH! (kJ/mol Energy 100 (kJ/mol) 50 Reaction progress Reaction progress What is the change in energy for reaction A? What is the change in energy for reaction B? AEX = kJ/mol AE/x = kJ/mol What is the activation energy for reaction A? What is the activation energy for reaction B? E = kJ/mol E.= kJ/mol Question 2 of 20 > For the reaction...
A) No change in the equilibrium C) More information is needed to answer the question. B)...
A) No change in the equilibrium C) More information is needed to answer the question. B) Equilibrium shifts to the right. D) Equilibrium shifts to the left E) None of the answers is correct. Q(17) Which species is amphiprotic? A) H3PO B) H2PO D) None of these C) PO Q(18) Ni(CO)4)Nie)+ 4 COlaAdding nickel (solid) to this reaction will cause the equilibrium to A) Shift toward the products C) remain unchanged E) it depends on the amount added B) Shift...
Can't figure out the concentration of the complex of solns. 10, 11, 12, 13, & 14. Modern...
Can't figure out the concentration of the complex of
solns. 10, 11, 12, 13, & 14.
Modern Experimental Chemistry Chemistry 153 The Iron(III) Thiocyanate Complex Purpose of the Experiment To determine the chemical formula of a complex ion and measure its formation equilibrium constant Equipment Spectro Vis spectrophotometer and LabQuest, cuvette, 25-mL buret (3), ring stand, buret clamp (2), 50-mL beaker (3), small plastic beakers Reagents SCN, as KSCN, 0.00200 M solution Fe; as Fe(NO), 0.00200 M solution and a...
Page < 2 > of 5 0 8) In the most stable conformation of tert-butylcyclohexane, how...
Page < 2 > of 5 0 8) In the most stable conformation of tert-butylcyclohexane, how many axial hydrogen atoms are present? a. O Eb. 2 e. 6 9) Which statement is true concerning the mechanism for reaction between HBr and H2C=CH2 to form bromoethane? a the reaction forms mechanism shows electron movement using full arrows, e.g. b. the reaction involves a slow, rate-determining formation of a radical intermediate c. the reaction involves homolysis d. In the first step, HBr...
10 of 14 Questions Assignment Score: 1167/1400 Resources Hint Check Answer 95/100 < Question 10 of...
10 of 14 Questions Assignment Score: 1167/1400 Resources Hint Check Answer 95/100 < Question 10 of 14 > 6 Question 2 of Attempts Correct When a rotating disk electrode (RDE) is held at a high enough potential, the rate of the reaction is governed by the diffusion rate, the rate at which the analyte diffuses through the diffusion layer to the electrode. The thickness of this diffusion layer, 8, is calculated as 100/100 7 Question 1 of co Attempts Correct...
QUESTION 7 Which of the following is a valid C++ assignment statement? (assume each letter is...
QUESTION 7 Which of the following is a valid C++ assignment statement? (assume each letter is a different variable) A.y=b-c B.y +z = x C.x = a bi D.x = -(y*z): Ex = (x + (y z): QUESTION 8 Which of the following is a valid variable name according to C++ naming rules? A 2ndName B.%Last_Name C@Month D#55 Eyear03 QUESTION 9 Which library must be included to enable keyboard input? A kbdin B. cstdlib C input Diostream E lomanip QUESTION...
9. What does it mean if Keq < 1, at equilibrium? The concentration of reactants is greater than the concentration of products. b. The concentration of products is greater than the concentration of reactants. The rate of the forward reaction is greater than the rate of the reverse reaction. c. d. The rate of the reverse reaction is greater than the rate of the forward reaction. e. The concentration of products and reactants are about the same. Which of the...
< Week 2 Assignment: Nuclear Chemistry and Chemical Equilibrium Equilibrium Constant and Reaction Quotient 16 of 36 > Review Constants Periodic Table At equilibrium, the concentrations of reactants and products can be predicted using the equilibrium constant, which is a mathematical expression based on the chemical equation. For example, in the reaction A+BBC + dD Part A where a, b, c, and d are the stoichiometria coefficients, the equilibrium constant is A mixture initially contains A, B, and in the...
13 Question (3 points) Choose the correct equilibrium constant expression for the following reaction 2HF(g) +H,0() H20+ (aq) + HF, (aq) c. K= [H,0+][HE] (HF) [H20+][HE] (HF)[ HO] [H3O+][HF3] [HF] [HO] [HF12 D. K IH,+ HFZ. Choose one: OA Ов < 12.-
Q(17) Which species is amphiprotic? A) H3PO4 C) PO43- D) None of these B) H2PO4 Q(18) Ni(CO)4(g)Nis)+ 4 CO(g)Adding nickel (solid) to this reaction will cause the equilibrium to C) remain unchanged E) it depends on the amount added B) Shift toward the reactants A) Shift toward the products D) increase the temperature Q(19) CO2 H2 CO + H20 Adding a catalyst to this reaction will cause the [CO] at equilibrium to A) Shift toward the products C) remain unchanged...
Use the energy diagrams of the two reactions to answer the questions. Reaction A Reaction B Energy HHHH! (kJ/mol Energy 100 (kJ/mol) 50 Reaction progress Reaction progress What is the change in energy for reaction A? What is the change in energy for reaction B? AEX = kJ/mol AE/x = kJ/mol What is the activation energy for reaction A? What is the activation energy for reaction B? E = kJ/mol E.= kJ/mol Question 2 of 20 > For the reaction...
A) No change in the equilibrium C) More information is needed to answer the question. B) Equilibrium shifts to the right. D) Equilibrium shifts to the left E) None of the answers is correct. Q(17) Which species is amphiprotic? A) H3PO B) H2PO D) None of these C) PO Q(18) Ni(CO)4)Nie)+ 4 COlaAdding nickel (solid) to this reaction will cause the equilibrium to A) Shift toward the products C) remain unchanged E) it depends on the amount added B) Shift...
Can't figure out the concentration of the complex of
solns. 10, 11, 12, 13, & 14.
Modern Experimental Chemistry Chemistry 153 The Iron(III) Thiocyanate Complex Purpose of the Experiment To determine the chemical formula of a complex ion and measure its formation equilibrium constant Equipment Spectro Vis spectrophotometer and LabQuest, cuvette, 25-mL buret (3), ring stand, buret clamp (2), 50-mL beaker (3), small plastic beakers Reagents SCN, as KSCN, 0.00200 M solution Fe; as Fe(NO), 0.00200 M solution and a...
Page < 2 > of 5 0 8) In the most stable conformation of tert-butylcyclohexane, how many axial hydrogen atoms are present? a. O Eb. 2 e. 6 9) Which statement is true concerning the mechanism for reaction between HBr and H2C=CH2 to form bromoethane? a the reaction forms mechanism shows electron movement using full arrows, e.g. b. the reaction involves a slow, rate-determining formation of a radical intermediate c. the reaction involves homolysis d. In the first step, HBr...
10 of 14 Questions Assignment Score: 1167/1400 Resources Hint Check Answer 95/100 < Question 10 of 14 > 6 Question 2 of Attempts Correct When a rotating disk electrode (RDE) is held at a high enough potential, the rate of the reaction is governed by the diffusion rate, the rate at which the analyte diffuses through the diffusion layer to the electrode. The thickness of this diffusion layer, 8, is calculated as 100/100 7 Question 1 of co Attempts Correct...
QUESTION 7 Which of the following is a valid C++ assignment statement? (assume each letter is a different variable) A.y=b-c B.y +z = x C.x = a bi D.x = -(y*z): Ex = (x + (y z): QUESTION 8 Which of the following is a valid variable name according to C++ naming rules? A 2ndName B.%Last_Name C@Month D#55 Eyear03 QUESTION 9 Which library must be included to enable keyboard input? A kbdin B. cstdlib C input Diostream E lomanip QUESTION...
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