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| Question | Answer |
| What is the equation for the equilibrium constant, Kc, for the general reaction: aA + bB ⇌ dD + eE? |
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| TRUE OR FALSE: All substances in the reaction go into the expression for the equilibrium constant | FALSE Only gases and aqueous substances go into the expression for the equilibrium constant |
| At the start, 1 mole of A reacts with 2 moles of B. At equilibrium, 0.7 moles of C are produced. How many moles of A and B are there at equilibrium for the equation: A + B ⇌ C? |
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| 3 moles of N₂ react with 2 moles of H₂ to produce 1 mole of NH₃ at equilibrium in a 1dm³ flask. Calculate the value for Kc for the following reaction: N₂ + 3H₂ ⇌ 2NH₃ |
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| What is partial pressure? | The pressure that each individual gas exerts in a mixture of gases |
| What does p(X) represent? | The partial pressure of X |
| What does partial pressure depend on? | The number of moles of the gas present |
| How is the total pressure of a gas mixture calculated? | The total pressure of a gas mixture is the sum of all the partial pressures of the individual gases |
| What is the equation for partial pressure? |
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| What is mole fraction? | The proportion of a gas mixture that is made up of a particular gas |
| What is the equation for mole fraction? |
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| What is the equation for the gas equilibrium constant, Kp, for the general equation: aA + bB ⇌ dD + eE |
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| 95 moles of C₂H₄, 55 moles H₂O and 5 moles of C₂H₅OH exist at equilibrium. Calculate the value of Kp for the following reaction: C₂H₄ + H₂O ⇌ C₂H₅OH |
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| What is the only factor that affects Kc and Kp? | Temperature |
| TRUE OR FALSE: The larger the value of Kc, the further tot the right the equilibrium lies | TRUE And the smaller the value of Kc, the further to the left the equilibrium lies |
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