At a high temperature, 0.500 mol of HBr was placed in a 1.00 L container and allowed to decompose according to the reaction 2HBr (g) ⇌ H2 (g) + Br2 (g). At equilibrium the concentration of Br2 was measured to be 0.130 M. What is the Keq for this reaction at this temperature?
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0.078 |
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0.036 |
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0.293 |
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0.0093 |
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0.011 |
At a high temperature, 0.500 mol of HBr was placed in a 1.00 L container and...
26. A mixture 0.500 mole of carbon monoxide and 0.400 mole of bromine was placed into a rigid 1.00-L container and the system was allowed to come to equilibrium. The equilibrium concentration of COBr) was 0.233 M. What is the value of Kc for this reaction? COBr2(g) CO(g) + Br2(g) + 5.23 1.22 1.165 0.858 0.191 E.
5.20 mol of solid A was placed in a sealed 1.00-L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.40 M, where it remained constant Then, the container volume was doubled and equilibrium was re-established. How many moles of A remain? Number mol A
A sealed 1.5-L container initially holds 0.00623 mol H2, 0.00414 mol Br2, and 0.0244 mol of HBr at 550 K. when equilibrium is established, [H2]= 0.00467M H2(g)+Br2(g) <-> 2HBr(g) A. what are [HBr}eq and [Br2}eq? B. what are Kc and Kp at 550 K? C.A 0.00209 mol sample of Br2 is added to the equilibrium mixture of gases. What are the partial pressures of all species once equilibrium is reestablished?
An industrial chemist puts 1.25 mol each of H2(g) and CO2(g) in a 1.00-L container at a certain temperature. When equilibrium is reached, 0.56 mol of CO(g) is in the container. Find Keq at this temperature for the following reaction: H2(g) + CO2(g)↔H2O(g) + CO(g)
1- At a certain temperature, 0.820 mol of SO3 is placed in a 2.50-L container. 2SO3(g)---->2SO2(g)+O2(g) At equilibrium, 0.120 mol of O2 is present. Calculate Kc. 2- At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3. H2(g) + I2(g)----->2HI(g) At this temperature, 0.300 mol of H2 and 0.300 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present at equilibrium? 3-Carbon disulfide is prepared by heating sulfur and charcoal....
At a certain temperature, 0.760 mol SO3is placed in a 2.50 L container.2SO3(g)⇌2SO2(g)+O2(g)At equilibrium, 0.130 mol O20.130 mol O2 is present. Calculate Kc.
At a certain temperature, the equilibrium constant, ?c, for this reaction is 53.3. H2(g)+I2(g)↽−−⇀2HI(g)?c=53.3 At this temperature, 0.500 mol H2 and 0.500 mol I2 were placed in a 1.00 L container to react. What concentration of HI is present at equilibrium?
Imagine that a chemist puts 9.53 mol each of C2H2 and O2 in a 1.00-L container at constant temperature of 128 °C. This reaction occurs: 2C2H2(g) + 5O2(g) ⇄ 4CO2(g) + 2H2O(g) When equilibrium is reached, 1.71 mol of CO2 is in the container. Find the value of Keq for the reaction.
At a certain temperature K = 0.500 for the following reaction: SO3 (g) + NO (g) ⇌ NO2 (g) + SO2 (g) If 0.200 mol of SO3 and 0.200 mol of NO are placed in a 2.000 L container and allowed to come to equilibrium, what will be the concentration of SO2?
Imagine that a chemist puts 6.40 mol each of C3H8 and O2 in a 1.00-L container at constant temperature of 289 °C. This reaction occurs: C3H8(g) + 5O2(g) ⇄ 3CO2(g) + 4H2O(g) When equilibrium is reached, 0.411 mol of CO2 is in the container. Find the value of Keq for the reaction.