Home > Chemistry > Chemical EquilibriumFor the reaction 2N2(g) + 3H2(g) ⇌ 2NH3(g), how many moles of gas are present at equilibrium?A. 2 B. 5 C. 6 D. 7Answer: 5Additional Information: At equilibrium, there are 2 moles of NH3, 2 moles of N2, and 3 moles of H2. Subjects: Chemical Equilibrium, ChemistryRelated MCQsWhich of the following best describes a system at equilibrium?For the reaction 2A + B ⇌ C + D, how does increasing the temperature affect K?How does a catalyst affect the equilibrium of a chemical reaction?What term is used for a reversible reaction that has reached a state where the concentrations of reactants and products remain constant?In which state must the substances be for the equilibrium constant Kp to be used?Which of the following represents the equilibrium constant expression for the reaction A ⇌ B?What is the effect of adding an inert gas to a system at equilibrium?Which of the following describes a homogeneous equilibrium?What effect does adding a catalyst have on a chemical equilibrium?What happens to the equilibrium constant when a reaction is multiplied by a factor?Which of the following conditions can affect the equilibrium constant (K)?Which reaction would have a higher equilibrium constant?What happens to a reaction’s equilibrium when a reactant is removed from the system?Which of the following scenarios will NOT affect the equilibrium constant K?In an exothermic reaction at equilibrium, what effect does decreasing the temperature have?