Question 8 Which change increases the amount of H30+ (aq) in the equilibrium system described by...
Which change increases the amount of H3O+(aq) in the equilibrium system described by the equation below: H20m) + CO2(9) --> CO3(aq) + NaOH(aq) + H30*(aq) addition of NaOH o addition of CO2 O removal of CO2 increase in pressure
QUESTION 5 Which change to this reaction system would cause the equilibrium to shift to the left? N2(g) + 3H2(g) = 2NH3(g) + heat addition of a catalyst removal of NH3(g) addition of H2 (g) cooling the system decreasing the pressure
Homework – Unanswered Consider the following chemical equilibrium: HCOOH(aq) + H2O(aq) =HCOO (aq) +H30*(aq). Which of the following graphs represents the perturbation on the system and the change of pH when more water is added to the container? IV pH time time time time
Indicate which direction the reaction Ishown below would shift in response to the change described & why? Ha(g) + CO2(gl H2O(g) + Coigo АН ran +9.9kcal a.) addition of CO2 b.) addition of H2O ci) addition of a catalyst d.) Increase in temperature eil decrease in volume of the containe
For which of the following reactions will the reactants be favored at equilibrium? NH3(aq) + H30+ (aq) = NH4+ (aq) + H20(1) CO32- (aq) + H30+ (aq) = HCO3(aq) + H2O(1) CH3COOH(aq) + OH(aq) = CH3COO" (aq) + H2O(1) HSO3- (aq) + H3O+ (aq) =H2SO3(aq) + H2O(1) CIOA" (aq) + H3PO4(aq) = HCIO4(aq) + H2PO4" (aq)
Which of the following describes the temperature and pressure needed for the maximum yield of CO2? CaCO3(s) = CaCO(s) + AH = +215 kJ CO2(g) Temperature Pressure low low low high III high low IV high high IV Moving to another question will save this response. F1 80 F3 F2 DOO DOO F4 F5 ni $ % 1 2 3 4 5 6 Question 6 A small amount of H2SO4 is added to the following equilibrium system: 2 CrO42- +...
Question 8 (1 point) Consider a system described by the equation 4 NO2 (g) + O2 (g) + 2 N205 (g). At equilibrium, it is found that the [N205] is 0.152 M, [NO2) is 0.278 M, and [Ozis 0.023 M. Calculate Kc. Report your answer to 1 decimal place. Do not include units. Question 9 (1 point) Consider the reaction below: N2O4 (g) 2 NO2 (g) If Kc = 1.79, calculate Kp at 313 K. Report your answer to 1...
CHEM 2A Class Pack FIB 8. Consider the equilibrium system: HCN (aq) + H20 (1) H,O* (aq) + CN' (a) a) write an equilibrium expression for this reaction b) Predict the direction the position of equilibrium will shift as a result of the following disturbances, 1. (HCN) increases ii. KCN is added iii. KCl is added iv. pH decreases V. KOH is added 9. Consider the equilibrium system: C(s) + CO2(g) + heat 2 CO (9) 1. write an equilibrium...
Name: 2. (9 pts) Consider the equilibrium for the ionization of HCIO at 25 °C shown below. For each part, ac circle the effect (increase, decrease or no change) each change listed below will have on the quantity indicated. NOTE: All solids added are soluble. No partial credit. HCIO (aq) + H2O + H30* (aq) + CIO (,). Change Quantity Effect (a) Addition of NaCION [H30%) Increase / Decrease / No change (b) Dilution with water K, of HCIO Increase...
In which one of the following is the oxidation number of nitrogen given incorrectly? O H2N202 (+1) O N203 (+3) O HNO, (+3) O N2H4 (-2) O NaN3 (-1) What is the net ionic equation for the acid-base reaction that occurs when acetic acid and sodium hydroxide solutions are mixed? O C2H302 (aq) + H+ (aq) + Na+(aq) + OH-(aq) ——Na+(aq) + C2H302(aq) + H2O(1) O H+(aq) + OH(aq) → H2O(1) O HC2H2O2(aq) + NaOH-(aq) —-NaC2H302 (aq) + H20(1) O...