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Which way will the equilibrium below shift if two...
Which way will a reaction shift it more product is added to a reaction at equilibrium? Left Ostays the same right QUEST...
Which way will a reaction shift it more product is added to a reaction at equilibrium? Left Ostays the same right QUESTION 3 Which way will a reaction shift it more reactant is added to a reaction at equilibrium? left stays the same right QUESTION 4 Which way will an endothermic reaction shift if the temperature is lowered? left right Ostays the same
The acetic acid/acetate buffer system is a common buffer used in the laboratory. Write the equilibrium...
The acetic acid/acetate buffer system is a common buffer used in the laboratory. Write the equilibrium equation for the acetic acid/acetate buffer system. The formula of acetic acid is CH,CO,H. equilibrium equation: Which way does the equilibrium shift if more H,O is added? The equilibrium will not change. The equilibrium will shift to the left. The equilibrium will shift to the right. Which way does the equilibrium shift if more OH” is added? The equilibrium will shift to the right...
1964 PC13(g) + Cl2(g) AH = 92.5 kJ/mol Predict the direction of the shift in equilibrium...
1964 PC13(g) + Cl2(g) AH = 92.5 kJ/mol Predict the direction of the shift in equilibrium in the following situations: (a) The temperature is raised. the system shifts from left to right o the system shifts from right to left O no effect (b) More chlorine gas is added to the reaction mixture. the system shifts from right to left O no effect the system shifts from left to right (c) Some PCIz is removed from the mixture. the system...
6. Answer the following questions regarding the equilibrium for the reaction below 2 AsH3(g) = 2...
6. Answer the following questions regarding the equilibrium for the reaction below 2 AsH3(g) = 2 As (s) + 3 H2 (9) a. If AsH3 was removed from the equilibrium mixture, what would happen to the equilibrium concentration of H2? (increase, decrease, no change) b. If additional As is added to the reaction, what would happen to the equilibrium concentration of AsH3? (increase, decrease, no change) c. If the value of K decreases as the temperature of the system is...
help please 1-4 consider the reaction A+B 3 C + D. which has an equilibrium constant,...
help please 1-4
consider the reaction A+B 3 C + D. which has an equilibrium constant, K, equal to 3.4 x 10. 1. IT one begins a reaction by placing 0.600 moles of A in a 1.0L container as well as 0.150 moles on , what will be the equilibrium concentrations of A.B.C. and D? Write your answers in the spaces provided below. a. (A) = b. [B]= = C. (C)= d. (D)= 2. Once the reaction in problem 1...
True or False t. For an exothermic reaction, the equilibrium constant, Kc, becomes smaller as the...
True or False
t. For an exothermic reaction, the equilibrium constant, Kc, becomes smaller as the temperature increases and larger as the temperature decreases. u. The gas-phase equilibrium shown below is used to produce ammonia, NH3, for commercial applications. The NH3 yield can be increased by decreasing the temperature, increasing the pressure, and removing some NH; from the mixture. N2(g) + 3H2(g) - 2NH3() AH = -94 kJ. v. For the gas-phase equilibrium described above (see problemlu), an increase in...
0.0455 O 0.0330 QUESTION 8 Consider the reaction shown below. AH is positive for the reaction....
0.0455 O 0.0330 QUESTION 8 Consider the reaction shown below. AH is positive for the reaction. 4CuO (s) + CH4 (9) CO2(g) + 4Cu (s) + 2H20 (9) State whether each change will cause the reaction to shift to the left, to the right, or no change. Enter the words "left","right" or "no change (without the quotation marks) into each blank. A coldfinger is added to condense out water vapor (H20 (g)) in the reaction mixture. The partial pressure of...
prelab /postlab all questions please Questions 1. For the reaction at 20°C, NH3(aq) + H+ (aq)...
prelab /postlab all questions please
Questions 1. For the reaction at 20°C, NH3(aq) + H+ (aq) NH4(aq), the equilibrium constant is calculated to be K = to 4.5 x10%. CHAT] A. Write the Equilibrium expression for this reaction. Keq = ỞNH TH] B. From the size of the number for Keq, does the equilibrium lie to the left or to the right? Right 2. If the reaction between iron(III) ion and thiocyanate ion, Fe3+ (aq) + SCN (aq) → FeSCN2+(aq),...
Which of the following expressions is the correct equilibrium-constant expression for the reaction below? 200(g) =...
Which of the following expressions is the correct equilibrium-constant expression for the reaction below? 200(g) = CO2(g) + C(s) A. [CO][C]/[CO] B. K [CO] C. [CO] / [CO2) D. [CO]/[CO] E. 2[CO] /[CO][C] In which of the following reactions would increasing pressure at constant temperature not change the concentrations of reactants and products, based on Le Châtelier's principle? ООООО A. 2N, () + 0,02N,0 () B. N.O. (g) 2NO, (g) C. N2(g) + 3H2(g)2NH3 (9) D. N2 (9) + 202...
please explain how you got your all your answers 5. Which one of the following conditions...
please explain how you got your all your answers
5. Which one of the following conditions is always TRUE for a titration of a WEAK ACID with a STRONG BASE? a. A colored indicator with a pka less than 7 should be used. b. Equal volumes of weak acid and strong base are required to reach the equivalence point. c. The equivalence point occurs at a pH equal to 7. d. The equivalence point occurs at a pH greater than...
Which way will a reaction shift it more product is added to a reaction at equilibrium? Left Ostays the same right QUESTION 3 Which way will a reaction shift it more reactant is added to a reaction at equilibrium? left stays the same right QUESTION 4 Which way will an endothermic reaction shift if the temperature is lowered? left right Ostays the same
The acetic acid/acetate buffer system is a common buffer used in the laboratory. Write the equilibrium equation for the acetic acid/acetate buffer system. The formula of acetic acid is CH,CO,H. equilibrium equation: Which way does the equilibrium shift if more H,O is added? The equilibrium will not change. The equilibrium will shift to the left. The equilibrium will shift to the right. Which way does the equilibrium shift if more OH” is added? The equilibrium will shift to the right...
1964 PC13(g) + Cl2(g) AH = 92.5 kJ/mol Predict the direction of the shift in equilibrium in the following situations: (a) The temperature is raised. the system shifts from left to right o the system shifts from right to left O no effect (b) More chlorine gas is added to the reaction mixture. the system shifts from right to left O no effect the system shifts from left to right (c) Some PCIz is removed from the mixture. the system...
6. Answer the following questions regarding the equilibrium for the reaction below 2 AsH3(g) = 2 As (s) + 3 H2 (9) a. If AsH3 was removed from the equilibrium mixture, what would happen to the equilibrium concentration of H2? (increase, decrease, no change) b. If additional As is added to the reaction, what would happen to the equilibrium concentration of AsH3? (increase, decrease, no change) c. If the value of K decreases as the temperature of the system is...
help please 1-4
consider the reaction A+B 3 C + D. which has an equilibrium constant, K, equal to 3.4 x 10. 1. IT one begins a reaction by placing 0.600 moles of A in a 1.0L container as well as 0.150 moles on , what will be the equilibrium concentrations of A.B.C. and D? Write your answers in the spaces provided below. a. (A) = b. [B]= = C. (C)= d. (D)= 2. Once the reaction in problem 1...
True or False
t. For an exothermic reaction, the equilibrium constant, Kc, becomes smaller as the temperature increases and larger as the temperature decreases. u. The gas-phase equilibrium shown below is used to produce ammonia, NH3, for commercial applications. The NH3 yield can be increased by decreasing the temperature, increasing the pressure, and removing some NH; from the mixture. N2(g) + 3H2(g) - 2NH3() AH = -94 kJ. v. For the gas-phase equilibrium described above (see problemlu), an increase in...
0.0455 O 0.0330 QUESTION 8 Consider the reaction shown below. AH is positive for the reaction. 4CuO (s) + CH4 (9) CO2(g) + 4Cu (s) + 2H20 (9) State whether each change will cause the reaction to shift to the left, to the right, or no change. Enter the words "left","right" or "no change (without the quotation marks) into each blank. A coldfinger is added to condense out water vapor (H20 (g)) in the reaction mixture. The partial pressure of...
prelab /postlab all questions please
Questions 1. For the reaction at 20°C, NH3(aq) + H+ (aq) NH4(aq), the equilibrium constant is calculated to be K = to 4.5 x10%. CHAT] A. Write the Equilibrium expression for this reaction. Keq = ỞNH TH] B. From the size of the number for Keq, does the equilibrium lie to the left or to the right? Right 2. If the reaction between iron(III) ion and thiocyanate ion, Fe3+ (aq) + SCN (aq) → FeSCN2+(aq),...
Which of the following expressions is the correct equilibrium-constant expression for the reaction below? 200(g) = CO2(g) + C(s) A. [CO][C]/[CO] B. K [CO] C. [CO] / [CO2) D. [CO]/[CO] E. 2[CO] /[CO][C] In which of the following reactions would increasing pressure at constant temperature not change the concentrations of reactants and products, based on Le Châtelier's principle? ООООО A. 2N, () + 0,02N,0 () B. N.O. (g) 2NO, (g) C. N2(g) + 3H2(g)2NH3 (9) D. N2 (9) + 202...
please explain how you got your all your answers
5. Which one of the following conditions is always TRUE for a titration of a WEAK ACID with a STRONG BASE? a. A colored indicator with a pka less than 7 should be used. b. Equal volumes of weak acid and strong base are required to reach the equivalence point. c. The equivalence point occurs at a pH equal to 7. d. The equivalence point occurs at a pH greater than...
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