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Question
Calculate the activation energy, Ea, for
N2O5(g) 2 NO2(g) + 1/2 O2(g)
given k (at 45.0 C) = 5.79 10-4 s-1 and k (at 60.0 C) = 3.83 10-3 s-1. (R = 8.314 J/Kmol)
A.0.256 kJ/mol
B.2.83 kJ/mol
C.31.1 kJ/mol
D.111 kJ/mol
E.389 kJ/mol
Answer
This answer is hidden. It contains 2 characters.
Related questions
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Assuming ideal behavior, which of the following aqueous solutions should have the highest boiling point?
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B.0.75 m K2SO4
C.0.50 m Ca(NO3)2
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Q:
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If a metal crystallizes in a primitive cubic lattice, each metal atom has ____ "nearest neighbors."
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Which equation represents the number of atoms in a body-centered cubic unit cell?
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Q:
The solubility product equilibrium constant, Ksp, of silver bromide is 5.4 10-13 at 298 K.
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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
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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
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If a chemical reaction is exothermic, but not spontaneous, which of the following must be true?
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