Practice ProblemATTEMPT
Write the reaction quotient for each of the following reactions:
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- Calculate AGO for each of the following reactions from the equilibrium constant at the temperature given. (a) N2(g) + O2(g) (b) H2(g) + I2(g) 2NO(g) 2HI(g) (c) CO2(g) + H2(g) → CO(g) + H2O(g) (d) CaCO3(s) →CaO(s) + CO2 (g) T = 2000 °C K₁ = 4.1 × 10-4 T = 400 °C Кр = $50.0 T = 980 °C T = 900 °C Кр Кр = 1.67 = 1.04 K₁ = 7.2 × 10-4 (e) HF(aq) + H2O(l) → H3O+ (aq) + F¯(aq) T = 25 °C (f) AgBr(s) → Ag+ (aq) + Br(aq) T = 25 °C Kp = 3.3 × 10-13arrow_forwardThe reaction N2O4(g) =* 2NO2(g) has a K, = 0.140 at 25 °C. In a reaction vessel containing the gases in equilibrium at that temperature, the partial pressure of N2O4 was 0.279 atm. (a) What was the partial pressure of NO2 in the reaction mixture? pressure of NO2= i atm (b) What was the total pressure of the mixture of gases? total pressure = i atmarrow_forwardA flask is charged with 1.720 atm of N₂O4(g) and 0.88 atm NO₂(g) at 25°C. The equilibrium reaction is given in the equation below. N₂04(9) 2NO₂(g) After equilibrium is reached, the partial pressure of NO₂ is 0.512 atm. (a) What is the equilibrium partial pressure of N₂O4? 1.904 atm (b) Calculate the value of K, for the reaction. 0.137 (c) Is there sufficient information to calculate K for the reaction? O Yes, because the partial pressures of all the reactants and products are specified. Ⓒ Yes, because the temperature is specified. O No, because the value of K. can be determined experimentally only. If K can be calculated, find the value of K. Otherwise, enter 0. 2.30e-4 Xarrow_forward
- The reaction N₂O4(g) 2NO₂(g) has a Kp = 0.140 at 25 °C. In a reaction vessel containing the gases in equilibrium at that temperature, the partial pressure of N₂O4 was 0.344 atm. (a) What was the partial pressure of NO2 in the reaction mixture? pressure of NO₂ = atm (b) What was the total pressure of the mixture of gases? total pressure = atmarrow_forwardWhat is the correct value of the equilibrium constant Kc for the reaction: 2 NH3(g) N₂(g) + 3 H₂(g) Given that is Kc = 10 at T = 740 K for: N₂(g) + 3 H₂(g) (A) more information needed (B) 0.01 (C) 100 (D) 0.1 (E) 10 = = 2 NH3(g)arrow_forwardSubject: chemarrow_forward
- Question attachedarrow_forwardA(s) + B(g) ⇋2 C (g) For each of the statements below, identify whether it is true or false and explain why. (a)All else equal, increasing the total pressure will favor the forward reaction. (b)All else equal, adding excess A to the reaction will favor the forward reaction. (c)All else equal, adding excess B to the reaction will favor the forward reaction. (d)If higher temperature leads to a decrease in total pressure, the forward reaction must be exothermic. (e)If higher temperature leads to an increase in total pressure, the forward reaction must be endothermic.arrow_forward5) Predict the effect of increasing pressure for each of the following equilibriums: (a) H2O (g) + N2 (g) → H2 (g) + NO (g) (b) SiO2 (s) + HF (g) + SIF4 (g) + H2O (g) (c) CO (g) + H2 (g) + Cis) + H2O (g)arrow_forward
- (b) At 100° C, the Keq for the Haber process is 4,51 X 10-5: N₂ + 3 H₂ 2 NH3 Consider the following reaction conditions and determine if the system is at equilibrium. If not, indicate the direction in which the reaction must proceed to establish equilibrium (i) PNH3 105 atm, PN2 = 35 atm and PH2 = 495 atm (ii) PNH3 35 atm, PN2 = 0 atm and PH2 = 595 atm (iii) PNH3 = 26 atm, PN2 = 202 atm and PH2 = 42 atm (iv) PNH3 105 atm, PN2 = 5 atm and PH2 = 55 atmarrow_forwardBalance each of the following examples of heterogeneousequilibria and write its reaction quotient, Q꜀:arrow_forwardFor the reversible reaction: N 2 (g)+ O 2 (g) = 2 NO (g) AH= 181 kJ (a) What will happen to the concentrations of NO at equilibrium if O, is added? (b) What will happen to the concentrations of NO at equilibrium if NO is removed? (c) What will happen to the concentrations of NO at equilibrium if the volume of the reaction vessel is increased? (d) What will happen to the concentrations of NO at equilibrium if the temperature of the system is decreased? (e) What will happen to the concentrations of N,, 0,, and NO at equilibrium if a catalyst is added?arrow_forward
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