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Question
Hydrocyanic acid, HCN, is a weak acid. Write a net ionic equation for the reaction of aqueous hydrocyanic acid and aqueous sodium hydroxide.
A.HCN(aq) + NaOH(aq) Na+(aq) + CN-(aq) + H2O(
)
B.HCN(aq) + H2O(aq) CN-(aq) + H3O+(aq)
C.H+(aq) + OH-(aq) H2O()
D.HCN(aq) + OH-(aq) CN-(aq) + H2O()
E.H+(aq) + NaOH(aq) Na+(aq) + H2O()
Answer
This answer is hidden. It contains 2 characters.
Related questions
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Q:
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What is the distance, in atomic radii, along any edge of a body-centered unit cell?
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Q:
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Q:
What is the equilibrium constant for reaction below at 25 C? (R = 8.314 J/Kmol)2 NO(g) + O2(g) 2 NO2(g)given DfG [NO(g)] = +86.6 kJ/mol and DfG [NO2(g)] = +51.2 kJ/mol.A.3.9 10-13B.1.0C.2.6 1012D.1.6 106E.3.8 1028
Q:
All of the following relationships are true EXCEPT
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Q:
Calculate DrG for the combustion of benzene at 325 K.2 C6H6() + 15 O2(g) 12 CO2(g) + 6 H2O()Species DfH (kJ/mol) S (J/Kmol)C6H6() 49.0 173.3O2(g) 0 205.1CO2(g) -393.5 213.7H2O() -285.8 67.0A.-6386 kJ/mol-rxnB.-6078 kJ/mol-rxnC.-7251 kJ/mol-rxnD.-8611 kJ/mol-rxnE.+1431 kJ/mol-rxn
Q:
If a chemical reaction is exothermic, but not spontaneous, which of the following must be true?
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B.DrG < 0, DrS > 0 and DrH > 0
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