Answer:
K = 1.79x10⁻³³
Explanation:
Using Hess's law, it is possible to fin K of a reaction by the algebraic sum of another related reactions.
In the reactions:
1. N2(g)+O2(g) ⇌ 2NO(g), K1 = 4.10×10−31 2.
2. N2(g)+2H2(g) ⇌ N2H4(g), K2 = 7.40×10−26
3. 2H2O(g)⇌2H2(g)+O2(g), K3 = 1.06×10−10
The sum of 1/2 (1) + 1/2 (2) produce:
N2(g) + 1/2O2(g) + H2(g) ⇌ 1/2N2H4(g) + NO(g)
And K' = √4.1x10⁻³¹×√7.4x10⁻²⁶ = 1.74x10⁻²⁸
Now, this reaction + 1/2 (3):
N2(g) + H2O(g) ⇌ NO(g) + 1/2N2H4(g)
And K of reaction is:
1.74x10⁻²⁸×√1.06x10⁻¹⁰ = <em>1.79x10⁻³³</em>
Rb₃Po₄+3H₂O <span>is a single replacement reaction.</span>
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Equations 2 and 4 are properly balanced
Answer: D
Explanation: Since one of the snakes food sources is the shrew, cutting it off would limit the snake's food causing the population to decrease.
