Answer:
The equilibrium concentration of NO is 0.001335 M
Explanation:
Step 1: Data given
The equilibrium constant Kc is 0.0025 at 2127 °C
An equilibrium mixture contains 0.023M N2 and 0.031 M O2,
Step 2: The balanced equation
N2(g) + O2(g) ↔ 2NO(g)
Step 3: Concentration at the equilibrium
[N2] = 0.023 M
[O2] = 0.031 M
Kc = 0.0025 = [NO]² / [N2][O2]
Kc = 0.0025 = [NO]² / (0.023)(0.031)
[NO] = 0.001335 M
The equilibrium concentration of NO is 0.001335 M
6.022*10^23 is the number
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Answer and Explanation:
The steam of bubbles moves away from the stainless steel screw in the salt solution because in salt solution the molecules of the salts break down in ion form and produce electricity.
The electricity produced by the salt ion is responsible for the movement of bubbles
On the other hand in the solution of sugar no ions are produced and hence no electricity is generated and hence no movement of bubbles.