16. Consider the equilibrium, 2HBr(9) H,(g)+Br (g). If 2.0 M HBr(g) is placed in a container,...
The equilibrium constant, Kc, for the reaction N2O4(g)⇌2NO2(g) is 5.1×10−3. If the equilibrium mixture contains [NO2] = 0.047 M , what is the molar concentration of N2O4? Express the concentration to two significant figures and include the appropriate units.
1) Consider the following reaction at equilibrium: H2(g) + Br2(g) = 2 HBr(g) Kc = 3.8 x 104 a) Is this reaction reactant-favored or product-favored? (1 point) Answer: b) Based on the given equilibrium reaction, determine the value of the equilibrium constant for the following reaction: Show your work for full credit! (4 points) 2 HBr(g) = H2(g) + Br2(g) Kc = c) Use both the equation and your answer from Part b to answer the problem. In a 1.00...
QUESTION 1 (10) Nitric oxide reacts with oxygen to form nitrogen dioxide: 2NO(g) + O2(g) + 2NO2 (g) a) What is the Kc for the reaction if the equilibrium concentration of NO is 0.300 M, O2 is 0.200 M, and NO2 is 0.530 M at 25°C? b) What is the Kp for the same reaction? c) If the equilibrium re-establishes where [NO]=0.150 M and [02]-0.225 M, what is [NO2) at this point under the same temperature? 2(12) The equilibrium constant...
5-7 (ACS-style) A mixture of 2.0 mol of CO (g) and 2.0 mol of H20 (g) was allowed to come to equilibrium in a 10.0-L flask at a high temperature. If Kc = 4.0, what is the molar concentration of H2 (g) in the equilibrium mixture? The equation for the reaction is: CO(g) + H20 (g) 5 CO2(g) + H2 (g) A) 0.67 M B) 0.40 M C) 0.20 M D) 0.13 M
2. How is the equilibrium-constant expression (Kc) for the reaction: 2NO(a) = N2() + Ke=0.145; related to the following reaction? O2 (a) N2(a) + O2(a) = 2NO(a) K=.............. (b) 4NOQ = 2Nz () + 2O2(g) Kos......... (c) NO) 1/2 N2(0)+ 1/2O2(0) K3= +++ (d) 1/2 N2(a) + 1/2O2(a) = NO) Ke=.............. 3. Given Kc or ko for the following reactions, what is the value of Koor K? (a) l2(g) + Cl2(a) = 2ICIOX Kc = 2.0 x105 at 25°C (b)...
The equilibrium constant, Kc, for the following reaction is 2.0. If the equilibrium mixture contains 2.3 M NO and 0.80 M Br2 , what is the molar concentration of NOBr? 2NOBr(g) = 2NO(g) + Br2 (g) Express your answer to two significant figures and include the appropriate units. Å R 0 2 ? [NOBr] = Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
Question 2 (5 points) Consider the following reaction and its equilibrium constant: SO2(g) + NO2(g) = 503(9) + NO(g) Kc = 0.33 A reaction mixture initially contains 0.61 M SO2, 0.10 M NO2, 0.16 M SO, and 0.23 M NO. Which of the following statements is TRUE? The reaction is already at equilibrium The reaction will proceed in the direction of products to reach equilibrium The reaction quotient is larger than the equilibrium constant The rates of the forward and...
Question 9 A mixture which contains 0.960 M PCl3 and 0.730 M Cl2 is placed in a flask. An equilibrium reaction ensues: PC13(g) + Cl2(g) --- PC15(9). At equilibrium, the concentration of PC15 is 0.592 M. What is the value of Kc for this reaction? 1.2.80 2.9.08 3.0.0850 4.11.7 5.6.10
Calculate Kc for the following reaction given the following equilibrium concentrations of H2(g) = 1.60 M CO(g) = .0030 M, and H2O(g) = 0.030 M. C(s) + H2O(g) = CO(g) + H2(g) (Hint: You DO include H2O(g) in the equilibrium expression) K = ? Save Answer Calculate K, for the following reaction given the following equilibrium concentrations of H2(9) = 1.60 M COO) = .0030 M, and H,00 = 0.030 M. Co+H,09 = COO + H2(9) (Hint: You Do include H,0...
please Help its due in 1 hour 3. Consider the following reaction at 25°C N204(g) = 2NO2(g) AG° = 5.40 kJ ontains initial concentrations of 0.453 M N2O4 and 0.150 M NO2. What A reaction vessel contains initial concentrang is the AG for the reaction at this temperature? a. -7437 kJ b. -68.00 kJ c. 9.08 kJ d. -2.04 kJ e. 5.32 kJ A mixture of 0.500 mol H2 and 0.500 mol l was placed in a 1.00 L vessel...