Shown below is the formation reaction of ammonia. How does the catalyst used in the industrial...
Shown below is the formation reaction of ammonia. How does the catalyst used in the industrial production of ammonia affect the activation energies of the forward and reverse reactions?
N2+3H2⇌2NH3
A. activation energy decreased for the forward reaction, increased for the reverse reaction
B. activation energy increased for the forward reaction, decreased for the reverse reaction
C. activation energy decreased both the forward and reverse reactions
D. activation energy increased for both the forward and reverse reactions
Homework Answers
A catalyst in the process speeds up a chemical reaction without being consumed by the reaction . It increases the rate of reaction by lowering the activation energy of reaction. The catalyst decrease both the forward and backward reactions simultaneously.
correct option (C)
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Shown below is the formation reaction of ammonia. How does the
catalyst used in the industrial...
A reaction that produces ammonia is shown below. How does the catalyst used in the industrial...
A reaction that produces ammonia is shown below. How does the catalyst used in the industrial production of ammonia affect the reaction rates of the forward and reverse reactions? N2+3H2⇌2NH3 Select the correct answer below: 1. forward rate decreases, reverse rate increases 2. forward rate increases, reverse rate decreases 3. both the forward and reverse rates decrease 4. both the forward and reverse rates increase
One of the most extensively studied reactions of industrial chemistry is the synthesis of ammonia. N2(g)...
One of the most extensively studied reactions of industrial chemistry is the synthesis of ammonia. N2(g) + 3H2(g) = 2NH3(g) The standard Gibbs energy of formation of NH3(g) is -16.5 kJ mol-1at 298 K. What is the reaction Gibbs energy when the partial pressures of N2, H2, and NH3 (assumed to be ideal gases) are 3.0 bar, 1.0 bar, and 4.0 bar, respectively ?
The standard free energy change of formation for ammonia at 298 K is -16.5 kJ/mol. What...
The standard free energy change of formation for ammonia at 298 K is -16.5 kJ/mol. What is the value of Kp for the reaction below? N2(g) + 3H2(g) <----> 2NH3(g)
After complete reaction, how many molecules of ammonia are produced?
After complete reaction, how many molecules of ammonia are
produced?
Nitrogen and hydrogen combine at high temperature, in the presence of a catalyst, to produce ammonia. N2(g)+3H2(g) ? 2NH3(g) Assume 4 molecules of nitrogen and 9 molecules of hydrogen are present. After complete reaction, how many molecules of ammonia are produced? ___________ Number How many molecules of H2 remain? Number How many molecules of N2 remain? Number _________ What is the limiting reactant? nitrogen hydrogen
Nitrogen and hydrogen combine at...
pts) The synthesis of ammonia from nitrogen and hydrogen is exothermic N2(g) + 3H2(g) → 2NH3(g)...
pts) The synthesis of ammonia from nitrogen and hydrogen is exothermic N2(g) + 3H2(g) → 2NH3(g) + Heat )If heat is removed, will the forward rate of the reaction increase or decrease? Why? ) If nitrogen gas is added, will the forward rate of the reaction increase or decrease? Why? If the volume of the reaction container is increased, how will this affect the rate of the forward reaction? Why? )
7. Most of the industrial ammonia today is produced via the Haber Process. The Chemical reaction...
7. Most of the industrial ammonia today is produced via the Haber Process. The Chemical reaction is one we've seen many times now: N20g) +3H2(g)-2NH3(g) If 20 moles of ammonia (NH3) are needed for a particular process, how many moles of diatomic Nitrogen (N2) are needed?
For a one step reaction, the activation energy for the forward reaction is 40.0 kJ mol-1,...
For a one step reaction, the activation energy for the forward reaction is 40.0 kJ mol-1, and the enthalpy of reaction is -20.0 kJ mol-1. Which statement below is true? a. The activation energy of the forward reaction would be affected to a greater extent than the activation energy of the reverse reaction by addition of a catalyst. b. The value for the enthalpy of reaction would be decreased by addition of a catalyst. c. The reaction is endothermic. d....
How does a positive catalyst generally affect a chemical reaction? A catalyst increases the temperature of...
How does a positive catalyst generally affect a chemical reaction? A catalyst increases the temperature of the reaction which speeds the reaction rate. A catalyst reduces the frequency factor which speeds the reaction rate. A catalyst reduces the amount of solvent required which slows the reaction rate. A catalyst reduces activation energy which speeds the reaction rate.
Nitrogen gas and hydrogen gas can ve converted into ammonia gas as shown in the reaction...
Nitrogen gas and hydrogen gas can ve converted into ammonia
gas as shown in the reaction equation listed below. Answer each of
the questions listed below regarding this reaction.
1. Nitrogen gas and hydrogen gas can be converted into ammonia gas as shown in the reaction equation listed below. Answer each of the questions listed below regarding this reaction. N2(g) + 3 H2(g) = 2 NH3(g) AH = -92.2 kJ/mole and K = 2.6 x 108 This reaction is an...
1. The simplest ammonia formation is from nitrogen and hydrogen. Consider the reversible reaction N2(g) +...
1. The simplest ammonia formation is from nitrogen and hydrogen. Consider the reversible reaction N2(g) + 3H2(g) → 2NH3(g) The standard enthaply and Gibbs free energy of formation one mole NH3 is ∆H◦ m = −46.11 kJ mol−1 and ∆G◦ m = −16.78 kJ mol−1 . (a) What is equilibrium constant at standard condition (25°C and 1 atm)? (b) What is equilibrium constant at 60°C and 1 atm? (c) What is the Gibbs free-energy change relative to that under standard...
After complete reaction, how many molecules of ammonia are
produced?
Nitrogen and hydrogen combine at high temperature, in the presence of a catalyst, to produce ammonia. N2(g)+3H2(g) ? 2NH3(g) Assume 4 molecules of nitrogen and 9 molecules of hydrogen are present. After complete reaction, how many molecules of ammonia are produced? ___________ Number How many molecules of H2 remain? Number How many molecules of N2 remain? Number _________ What is the limiting reactant? nitrogen hydrogen
Nitrogen and hydrogen combine at...
pts) The synthesis of ammonia from nitrogen and hydrogen is exothermic N2(g) + 3H2(g) → 2NH3(g) + Heat )If heat is removed, will the forward rate of the reaction increase or decrease? Why? ) If nitrogen gas is added, will the forward rate of the reaction increase or decrease? Why? If the volume of the reaction container is increased, how will this affect the rate of the forward reaction? Why? )
7. Most of the industrial ammonia today is produced via the Haber Process. The Chemical reaction is one we've seen many times now: N20g) +3H2(g)-2NH3(g) If 20 moles of ammonia (NH3) are needed for a particular process, how many moles of diatomic Nitrogen (N2) are needed?
Nitrogen gas and hydrogen gas can ve converted into ammonia
gas as shown in the reaction equation listed below. Answer each of
the questions listed below regarding this reaction.
1. Nitrogen gas and hydrogen gas can be converted into ammonia gas as shown in the reaction equation listed below. Answer each of the questions listed below regarding this reaction. N2(g) + 3 H2(g) = 2 NH3(g) AH = -92.2 kJ/mole and K = 2.6 x 108 This reaction is an...
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