Organic compounds that contain large proportions of nitrogen and oxygen tend to be unstable and are easily decomposed. Hexanitroethane, C2(NO2)6, decomposes according to the equation C2(NO2)6- 2NO2 + 4NO + 2CO, The reaction in CCI, solvent is first order with respect to C2(NO2)6. At 78.9 °C, k = 0.000303 s1 and at 107.4 °C, k = 0.0207 s1. (a) What is the half-life of C2(NO2)6 at 78.9 °C? i seconds eTextbook and Media (b) What is the half-life of C2(NO2)6 at 107.4 °C? i seconds (c) If 0.100 mol of C2(NO2)6 is dissolved in CCI4 at 78.9°C to give 1.00 L of solution, what will be the C2(NO2)6 concentration after 50.0 minutes? i M

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Organic compounds that contain large proportions of nitrogen and oxygen tend to be unstable and are easily decomposed.
Hexanitroethane, C2(NO2)6, decomposes according to the equation
C2(NO2)6- 2NO2 + 4NO + 2CO,
The reaction in CCI, solvent is first order with respect to C2(NO2)6. At 78.9°C, k = 0.000303 s1 and at 107.4 °C, k = 0.0207 s1.
(a)
What is the half-life of C2(NO2)6 at 78.9°C? i
seconds
eTextbook and Media
(b)
What is the half-life of C2(NO2)6 at 107.4 °C? i
seconds
(c)
If 0.100 mol of C2(NO2)6 is dissolved in CCI4 at 78.9°C to give 1.00 L of solution, what will be the C2(NO2)6 concentration after
50.0 minutes? i
M
(d)
What is the value of the activation energy of this reaction, expressed in kilojoules? i
kJ/mol
Transcribed Image Text:Organic compounds that contain large proportions of nitrogen and oxygen tend to be unstable and are easily decomposed. Hexanitroethane, C2(NO2)6, decomposes according to the equation C2(NO2)6- 2NO2 + 4NO + 2CO, The reaction in CCI, solvent is first order with respect to C2(NO2)6. At 78.9°C, k = 0.000303 s1 and at 107.4 °C, k = 0.0207 s1. (a) What is the half-life of C2(NO2)6 at 78.9°C? i seconds eTextbook and Media (b) What is the half-life of C2(NO2)6 at 107.4 °C? i seconds (c) If 0.100 mol of C2(NO2)6 is dissolved in CCI4 at 78.9°C to give 1.00 L of solution, what will be the C2(NO2)6 concentration after 50.0 minutes? i M (d) What is the value of the activation energy of this reaction, expressed in kilojoules? i kJ/mol
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