Answer:
A. The relationship between the Sun,Moon,and Earth
Explanation:
The number of mole of NaOH that was used, given that 3.85 mL of 10.0 M NaOH is used in the reaction is 0.0385 mole
<h3>How do I determine the number of mole of NaOH?</h3>
We know that molarity is related to number of mole and volume according to the following formula:
Molarity = number of mole / Volume
With the above formula, we can determine the number of mole of NaOH. Details below
The following data were obtained from the question:
- Volume = 3.85 mL = 3.85 / 1000 = 0.00385 L
- Molarity = 10.0 M
- Number of mole of NaOH =?
Molarity = number of mole / Volume
Cross multiply
Number of mole = molarity × volume
Number of mole of NaOH = 10 × 0.00385
Number of mole of NaOH = 0.0385 mole
Thus, the number of mole of NaOH is 0.0385 mole
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If you think of it endothermic is when there is energy needed for the reaction to occur and exothermic is when the reaction releases energy
Answer:
Equilibrium constant for the reaction at 25⁰C = 1.81 x 10⁻⁶
Explanation:
Reaction for the Haber's process
N₂(g) + 3 H₂(g) ⇌ 2 NH₃(g)
Free energy change of reaction
ΔGr° = ∑products free energy - ∑reactants free energy
= 2 x (- 16.4) - 0
= - 32.8 KJ / mole
Equilibrium constant for this reaction at 25⁰C
ΔGr° = - 2.303 RT log K
⇒ log K = 
⇒ K = Anti log( -5.74) = 1.81 x 10⁻⁶
