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CHEM 2A Class Pack FIB 8. Consider the equilibrium system: HCN (aq) + H20 (1) H,O*...
1. Consider the following equilibrium: Cr OP(aq)+H20(1) 5 2Cro2 (aq) + 2H'(aq) a. Predict the shift in system at eq...
1. Consider the following equilibrium: Cr OP(aq)+H20(1) 5 2Cro2 (aq) + 2H'(aq) a. Predict the shift in system at equilibrium if a solution of AgNO; is added dropwise to the system at equilibrium. Briefly explain. b. Predict the change in equilibrium if a solution of NaOH is added dropwise to the system at equilibrium. Briefly explain. c. Predict the change in equilibrium if the system at equilibrium is diluted by distilled water. Briefly explain.
CHEM 2A Class Pack F18 4. Predict which way the equilibrium will shift for each of...
CHEM 2A Class Pack F18 4. Predict which way the equilibrium will shift for each of the following changes: Mg(OH)2 (s) + Mg2+ (aq) + 20H" (aq) I. increase [Mg] ii. increase (OH) ii. add KOH iv. add solid Mg(OH)2 v. decrease [Mg] vi. decrease pH vii. add MgCl2 viii. add catalyst ix 4b. Which of the changes above decreases the production of hydroxide ions? 5. Which of the following will increase the amount of calcium phosphate? Cas(PO4)2 (s) +...
2. Consider the following equilibrium: Mg(OH)2(8) 5 Mg?'(aq) + 2OH(aq) redict the shift in system at equilibrium if...
2. Consider the following equilibrium: Mg(OH)2(8) 5 Mg?'(aq) + 2OH(aq) redict the shift in system at equilibrium if a solution of HCI is added dropwise to the system at equilibrium. Briefly explain. 0. Predict the change in equilibrium if a solution of NaOH is added dropwise to the system at equilibrium. Briefly explain. c. Predict the change in equilibrium if the system at equilibrium is diluted by distilled water. Briefly explain
More Equilibrium: Please write equilibrium expressions for the following reactions: 1. i. 2 SO2 (g) +...
More Equilibrium: Please write equilibrium expressions for the following reactions: 1. i. 2 SO2 (g) + O2 (g) 2 SO3 (g) il. NH4NOs (s) N2O (g) +2 H20 (g) i CaCO3 (s) + CaO (s) + CO2 (g) iv. HNO2 (aq) +H2O (I) HaO* (aq) + NO2 (aq) 2. Predict which way the equilibrium will shift for each of the following changes: CO (g) + H2 (g) C (s) H2O (g) + heat i. increase [H2O] ii. increase [C0] iii....
6. Now consider the following equilibrium also occurring when you burn gas: 2 CO2(g) → 2...
6. Now consider the following equilibrium also occurring when you burn gas: 2 CO2(g) → 2 CO (g) + O2 (g) Predict what will occur to the CO concentration under the following conditions: and EXPLAIN WHY i. some oxygen is selectively removed from the mixture ii. the temperature is increased iii. the total pressure is increased by making the container smaller iv. Some CO2 (g) is added to the mix
For each of the following reactions: (a) Write the Equilibrium expression (b) Calculate the Equilibrium Constant,...
For each of the following reactions: (a) Write the Equilibrium expression (b) Calculate the Equilibrium Constant, Kc (c) Determine the DIRECTION of the reaction (d) Determine if the reaction is in Equilibrium (e) Determine the effect of INCREASING the temperature (f) Determine the effect of increasing the concentration of ONE of the reactants. (g) Determine the effect of increasing the volume of the container. (h) Determine the effect of increasing the Pressure in the container. Reaction 1: N204(g) 2NO2(g) Reaction...
oi Prelab 11, Equilibrium Control of a Reaction me Consider the following equilibrium reaction Predict which...
oi Prelab 11, Equilibrium Control of a Reaction me Consider the following equilibrium reaction Predict which direction the equilibrium will shift (left, towards reactants or right, towards products) when you perform the following actions: Shift Right Shift Left Action Add CH4 to the reaction Add CO, to the reaction Add CO to the reaction Add H, to the reaction Remove CH4 from the reaction Remove CO2 from the reaction Remove CO from the reaction Remove H2 from the reaction Increase...
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),...
Use the following table to answer g and h 1. You collected the following data in...
Use the following table to answer g and h
1. You collected the following data in lab for the endothermic chemical reaction CO(g) + Cl2(g) → COC12(9) Trial # [CO] (M) [Cl] (M) Temperature (°C) No 5.0 10.0 10.0 20.0 20.0 1.9 2.0 512.0 512.0 512.0 512.0 778.0 452.0 Catalyst Initial Rate (M/s) 0.40 1.60 No 3.20 No 6.40 No | 11.32 Yes ??? 1.5 2.7 g. You perform trial 6 with a catalyst which lowers the activation energy by...
5-Consider the half reactions belovw (1) Sn2+(aq) + 2e-→ Sn"(s) (II) Sn(aq) + 2eSn2 (s) (III)...
5-Consider the half reactions belovw (1) Sn2+(aq) + 2e-→ Sn"(s) (II) Sn(aq) + 2eSn2 (s) (III) Cr (aq)3e-Cr (s) (IV) Cr"(aq) + 1e-→ Cr2+(s) E" =-0.14 E° = +0.15 V Eo -0.74 В" -0.41V Answer the following: ()If you dip a Cr rod (i.e. Cr (s)) in a tin solution (i.e. Sn2 (aq)), would any redox procces happen? (Yes/NO). If Yes, (a) what happens on the surface of Cr rod? (b) indicate which chemical species (e g. Sn (s)) is...
1. Consider the following equilibrium: Cr OP(aq)+H20(1) 5 2Cro2 (aq) + 2H'(aq) a. Predict the shift in system at equilibrium if a solution of AgNO; is added dropwise to the system at equilibrium. Briefly explain. b. Predict the change in equilibrium if a solution of NaOH is added dropwise to the system at equilibrium. Briefly explain. c. Predict the change in equilibrium if the system at equilibrium is diluted by distilled water. Briefly explain.
CHEM 2A Class Pack F18 4. Predict which way the equilibrium will shift for each of the following changes: Mg(OH)2 (s) + Mg2+ (aq) + 20H" (aq) I. increase [Mg] ii. increase (OH) ii. add KOH iv. add solid Mg(OH)2 v. decrease [Mg] vi. decrease pH vii. add MgCl2 viii. add catalyst ix 4b. Which of the changes above decreases the production of hydroxide ions? 5. Which of the following will increase the amount of calcium phosphate? Cas(PO4)2 (s) +...
2. Consider the following equilibrium: Mg(OH)2(8) 5 Mg?'(aq) + 2OH(aq) redict the shift in system at equilibrium if a solution of HCI is added dropwise to the system at equilibrium. Briefly explain. 0. Predict the change in equilibrium if a solution of NaOH is added dropwise to the system at equilibrium. Briefly explain. c. Predict the change in equilibrium if the system at equilibrium is diluted by distilled water. Briefly explain
More Equilibrium: Please write equilibrium expressions for the following reactions: 1. i. 2 SO2 (g) + O2 (g) 2 SO3 (g) il. NH4NOs (s) N2O (g) +2 H20 (g) i CaCO3 (s) + CaO (s) + CO2 (g) iv. HNO2 (aq) +H2O (I) HaO* (aq) + NO2 (aq) 2. Predict which way the equilibrium will shift for each of the following changes: CO (g) + H2 (g) C (s) H2O (g) + heat i. increase [H2O] ii. increase [C0] iii....
6. Now consider the following equilibrium also occurring when you burn gas: 2 CO2(g) → 2 CO (g) + O2 (g) Predict what will occur to the CO concentration under the following conditions: and EXPLAIN WHY i. some oxygen is selectively removed from the mixture ii. the temperature is increased iii. the total pressure is increased by making the container smaller iv. Some CO2 (g) is added to the mix
For each of the following reactions: (a) Write the Equilibrium expression (b) Calculate the Equilibrium Constant, Kc (c) Determine the DIRECTION of the reaction (d) Determine if the reaction is in Equilibrium (e) Determine the effect of INCREASING the temperature (f) Determine the effect of increasing the concentration of ONE of the reactants. (g) Determine the effect of increasing the volume of the container. (h) Determine the effect of increasing the Pressure in the container. Reaction 1: N204(g) 2NO2(g) Reaction...
oi Prelab 11, Equilibrium Control of a Reaction me Consider the following equilibrium reaction Predict which direction the equilibrium will shift (left, towards reactants or right, towards products) when you perform the following actions: Shift Right Shift Left Action Add CH4 to the reaction Add CO, to the reaction Add CO to the reaction Add H, to the reaction Remove CH4 from the reaction Remove CO2 from the reaction Remove CO from the reaction Remove H2 from the reaction Increase...
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),...
Use the following table to answer g and h
1. You collected the following data in lab for the endothermic chemical reaction CO(g) + Cl2(g) → COC12(9) Trial # [CO] (M) [Cl] (M) Temperature (°C) No 5.0 10.0 10.0 20.0 20.0 1.9 2.0 512.0 512.0 512.0 512.0 778.0 452.0 Catalyst Initial Rate (M/s) 0.40 1.60 No 3.20 No 6.40 No | 11.32 Yes ??? 1.5 2.7 g. You perform trial 6 with a catalyst which lowers the activation energy by...
5-Consider the half reactions belovw (1) Sn2+(aq) + 2e-→ Sn"(s) (II) Sn(aq) + 2eSn2 (s) (III) Cr (aq)3e-Cr (s) (IV) Cr"(aq) + 1e-→ Cr2+(s) E" =-0.14 E° = +0.15 V Eo -0.74 В" -0.41V Answer the following: ()If you dip a Cr rod (i.e. Cr (s)) in a tin solution (i.e. Sn2 (aq)), would any redox procces happen? (Yes/NO). If Yes, (a) what happens on the surface of Cr rod? (b) indicate which chemical species (e g. Sn (s)) is...
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