The ΔHΔH for the reaction N2(g)+3H2(g)N2(g)+3H2(g) →→ 2NH3(g)2NH3(g) is −123.77kJmol−1−123.77kJmol−1 at 1000 K. The heat capacities of the reactants and products are CP,m=CP,m= 3.502 RR, 3.466 RR, and 4.217 RR for N2(g)N2(g), H2(g)H2(g), and NH3(g)NH3(g), respectively. Calculate ΔHfΔHf of NH3(g)NH3(g) at 500 KK from this information. Assume that the heat capacities are independent of temperature. Express your answer to four significant figures and include the appropriate units. |
The ΔHΔH for the reaction N2(g)+3H2(g)N2(g)+3H2(g) →→ 2NH3(g)2NH3(g) is −123.77kJmol−1−123.77kJmol−1 at 1000 K. The heat capacities...
Consider the following balanced reaction between hydrogen and nitrogen to form ammonia: 3H2(g) + N2(g)→2NH3(g) How many moles of NH3 can be produced from 18.0 mol of H2 and excess N2? Express the number of moles to three significant figures
26.) Ammonia is produced by the reaction of hydrogen and nitrogen as follows: N2(g)+3H2(g)→2NH3(g)ammonia Express the number of moles to two significant figures. (A.) How many moles of H2 are needed to react with 1.0 mol of N2? (B.) How many moles of N2 reacted if 0.50 mol of NH3 is produced? (C.) How many moles of NH3 are produced when 1.7 mol of H2 reacts?
Nitrogen and hydrogen can react to form ammonia. N2(g)+3H2(g)→2NH3(g) 1. Choose ratios showing the relationships between moles of each of the reactants and products in the reaction. Multiple choice, which one? A. 2 mol N2 : 2 mol H2 : 3 mol NH3 B.1 mol N2 : 1/3 mol H2 : 1/2 mol NH3 C. 1 mol N2 : 1 mol H2 : 1 mol NH3 D. 1 mol N2 : 3 mol H2 : 2 mol NH3 2. How...
For the reaction N2(g)+3H2(g)⇌2NH3(g) what is the value of Kc at 500 ∘C if the equilibrium concentrations are as follows: [H2] = 0.45 M , [N2] = 0.50 M , and [NH3] = 2.0 M ?
QUESTION 2 Consider the following reversible reaction at equilibrium: 3H2(g) + N2(g) → 2NH3(g) + heat Which of the following changes will shift the equilibrium towards the products (right side)? Decreasing the amount of NH3. Increasing the temperature. Adding a catalyst to the system. Decreasing the amount of H2. Increasing the volume of the system.
The value of the equilibrium constant Kc for the reaction N2(g)+3H2(g)⇌2NH3(g) changes in the following manner as a function of temperature Temperature (∘C) Kc 300 9.6 400 0.50 500 0.058 Part A Use the standard enthalpies of formation given in Appendix C to determine the ΔH for this reaction at standard conditions. Express your answer in kilojoules to two decimal places. Part B If 0.027 mole of gaseous NH3 is added to a 1.00 L container and heated to 500 ∘C,...
For the reaction N2(g)+3H2(g)⇌2NH3(g) what is the value of Kc at 500 ∘C if the equilibrium concentrations are as follows: [H2] = 0.35 M , [N2] = 0.40 M , and [NH3] = 1.8 M ?how to solve answer?
For the reaction 2NH3(g)<->N2(g)+3H2(g), Kc=0.0076 at a particular temperature. If 0.025 M NH3, 0.50M N2, and 0.015 M H2 are mixed in a reaction vessel, is the reaction at equilibrium? If not, in what direction will the reaction shift to reach equilibrium?
For the exothermic reaction 3H2(g) + N2(g) ↔ 2NH3(g) + HEAT, which of the following changes could be carried out to cause the reaction to shift to the right? Adding H2 Adding NH3 Increasing the temperature Removing N2
N2(g) + 3H2(g) →2NH3(g) If there is 15.17 g N2 and excess H2 present, the reaction yields 14.7 g NH3. Calculate the percent yield for the reaction.