Chemistry, 24.10.2019 20:43 electrofy456
Atriprotic acid ( h3a ) has pka values of 3.28 ( pka1 ), 5.74 ( pka2 ), and 8.20 ( pka3 ). which of the equalities is true when the ph is 3.28 ? [h2aβ]=[a3β] [ha2β]=[a3β] [h2aβ]=[ha2β] [h3a]=[h2aβ] [h3a]=[ha2β] which of the equalities is true when the ph is 5.74 ? [h3a]=[h2aβ] [h2aβ]=[ha2β] [h2aβ]=[a3β] [h3a]=[ha2β] [ha2β]=[a3β] which of the equalities is true when the ph is 8.20 ? [h2aβ]=[ha2β] [h2aβ]=[a3β] [h3a]=[h2aβ] [h3a]=[ha2β] [ha2β]=[a3β] which of the equalities is true when the ph is 4.51 ? [h2aβ]=[a3β] [h3a]=[ha2β] [h2aβ]=[ha2β] [ha2β]=[a3β] [h3a]=[h2aβ] which of the equalities is true when the ph is 6.97 ? [h3a]=[h2aβ] [h3a]=[ha2β] [h2aβ]=[a3β] [ha2β]=[a3β] [h2aβ]=[ha2β] what is the predominant species of h3a at ph 1.97 ? a3β h3a ha2β h2aβ what is the predominant species of h3a at ph 4.10 ? ha2β a3β h2aβ h3a what is the predominant species of h3a at ph 6.72 ? h2aβ ha2β a3β h3a what is the predominant species of h3a at ph 9.68 ? ha2β h2aβ h3a a3β
Answers: 2
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Write a paragraph at least 10 sentences explaining how rocks are used today in society
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Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (Ξ΄ch< (c14h10,s)=β7061 kj molβ1.)
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The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.
Answers: 1
Atriprotic acid ( h3a ) has pka values of 3.28 ( pka1 ), 5.74 ( pka2 ), and 8.20 ( pka3 ). which of...
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