The answer is the boiling point because when you want to change the liquid into a gas you should boil it :)))
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Answer:
A.) DNA is a double helix, and RNA is a single strand.
C.) DNA is involved only in transcription, and RNA is involved in both transcription and translation.
E.) DNA does not have uracil as a nitrogen base, but RNA does have uracil as a nitrogen base.
Explanation:
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#TheWizzer
Hi JavonEtuff2,
<u>Answer - B. Homogeneous</u>
Store bought vinergars are typically have been filtered which makes it homogeneous. In the question it states white vinegar which has been distilled and pure mixture of water and acetic acid.
<span>Answer
is: Ka for propinoic acid is 6,57·10</span>⁻⁵.<span>
Chemical reaction: C</span>₂H₅COOH(aq)
+ H₂O(l) ⇄ C₂H₅COO⁻(aq)
+ H₃O⁺(aq).<span>
n(C</span>₂H₅COOH) = 0,04 mol.<span>
V(C</span>₂H₅COOH) = 750 mL = 0,75 L.<span>
c(C</span>₂H₅COOH) = 0,04 mol ÷ 0,75 L.<span>
c(C</span>₂H₅COOH) = 0,053 mol/L = 0,053 M.<span>
[C</span>₂H₅COO⁻]
= [H₃O⁺] = 1,84·10⁻³ M = 0,00184 M.<span>
[HCN] = 0,053 M - 0,00184 M = 0,0515 M.
Ka = [C</span>₂H₅COO⁻] · [H₃O⁺] /
[C₂H₅COOH].<span>
Ka = (0,00184 M)² / 0,0515 M.
Ka = 6,57·10</span>⁻⁵.
I think the symbol of the element is Ga sorry if I’m wrong
