Practice: Kc = 6.5 x 102 at a particular temperature for a reaction: 2 NO(g) + 2 H(g) ⇌ N2(g) + 2 H2O(g). Calculate Kc at same temperature for the following reaction: 1/3 N2(g) + 2/3 H2O(g) ⇌ 2/3 NO(g) + 2/3 H(g).
| Sections | |||
|---|---|---|---|
| Intro to Chemical Equilibrium | 7 mins | 0 completed | Learn |
| Equilibrium Constant (K) | 14 mins | 0 completed | Learn |
| Equilibrium Constant Calculations | 10 mins | 0 completed | Learn |
| Kp and Kc | 23 mins | 0 completed | Learn |
| Using Hess's Law To Determine K | 10 mins | 0 completed | Learn |
| Calculating K For Overall Reaction | 16 mins | 0 completed | Learn |
| Le Chatelier's Principle | 20 mins | 0 completed | Learn |
| ICE Charts | 30 mins | 0 completed | Learn |
| Reaction Quotient | 15 mins | 0 completed | Learn |
Using Hess's Law concept to determine K of a reaction.
Equilibrium Constant and Hess's Law
Concept #1: Reaction Rearrangements and Effect on value of K
Example #1: Given the reaction: 2 Cl2 (g) + 2 H2O (g) ⇌ 4 HCl (g) + O2 (g) Kp = 7.5x10-2 , calculate Kp of the reactions below.
a) Cl2 (g) + H2O (g) ⇌ 2 HCl (g) + ½ O2 (g) _____________
b) 4 HCl (g) + O2 (g) ⇌ 2 Cl2 (g) + 2 H2O (g) _____________
c) 16 HCl (g) + 4 O2 (g) ⇌ 8 Cl2 (g) + 8 H2O (g) _____________
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Videos in Using Hess's Law To Determine K
Concept #1: Using Hess's Law To Determine K Concept 1
Example #1: Using Hess's Law To Determine K Example 1
Practice #1: Using Hess's Law To Determine K Practice 1
