Answer:
eye witnesses, dna, fingerprints, hair, time stamped photos/ videos
Explanation:
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Answer:
As equações: I) CaO + CO2 → CaCO3 II) 2 AgCℓ → 2 Ag0 + Cℓ2 são, respectivamente, reações de: A) análise e deslocamento… ... D) síntese e dupla troca. 1 ... 1 – Dada a fórmula molecular dos compostos faça a fórmula eletrônica e a estrutural para os mesmos: a) HNO2 b) HIO3 c) H3PO4 2 – Um metal ...
1 answer
Explanation:
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Answer:
The relative humidity in Raleigh, NC
You can search it up online. Search up what is climate change and it will give you "the weather conditions prevailing in an area in general or over a long period." (On bing)
Explanation:
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Looking at the graph, It is reached at 1.0 mol/min. That is at the line common to both forward and reverse reaction.
The question is incomplete. Complete question is
<span>In an aqueus solution, which substance yields hydrogen ions as the only positive ions in the solution? 1)NaH 2)HCOOH 3)LiOH 4) CH3CH2OH?
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Answer: Correct answer is option 2, HCOOH
Reason:
HCOOH is a formic acid. When mixed in water, it undergoes dissociation which can be represented as
HCOOH </span>↔ HCOO- + H+
The compound NaH, will generate hydride ion (H-), while LiOH is an ionic compound, hence when dissolved in water it generated OH- ions. The compound CH3CH2OH is named as ethyl alcohol. This compound donot dissociate in aqueous medium.