Answer:lumerman.com › catchphrases › catchphrase
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Explanation:
<em>Yes</em> the blood cells have a rigid of cell walls as their cell walls are cell membrane.
Answer:
Explanation:
mass avg = ( abundance 1 x mass 1 = abundance 2 x mass 2 )
= ( 75.76% x 34.96885 + 24.24% x 36.9659)
= ( 0.7576 x34.96885 + 0.2424 x 36.9659 )
= ( 26.49241 + 8.960534 )
= 35.45294 amu
Answer:
[NO] = 1.72 x 10⁻³ M.
Explanation:
<em>2NO(g) ⇌ N₂(g)+O₂(g),</em>
Kc = [N₂][O₂] / [NO]².
- At initial time: [NO] = 0.171 M, [N₂] = [O₂] = 0.0 M.
- At equilibrium: [NO] = 0.171 M - 2x , [N₂] = [O₂] = x M.
∵ Kc = [N₂][O₂] / [NO]².
∴ 2400 = x² / (0.171 - 2x)² .
<u><em>Taking the aquare root for both sides:</em></u>
√(2400) = x / (0.171 - 2x)
48.99 = x / (0.171 - 2x)
48.99 (0.171 - 2x) = x
8.377 - 97.98 x = x
8.377 = 98.98 x.
∴ x = 8.464 x 10⁻².
<em>∴ [NO] = 0.171 - 2(8.464 x 10⁻²) = 1.72 x 10⁻³ M. </em>
<em>∴ [N₂] = [O₂] = x = 8.464 x 10⁻² M.</em>
